Sheet Metal Drain Pan Manufacturer in China

Here at KDM, we offer a wide range of sheet metal drain pans for HVAC units, washing machines, vehicles, gas water heaters, and other machinery. We are manufacturing them using corrosion-resistant, durable, and cost-effective materials.

  • Made from various types of high-quality metal
  • Over 10 years of manufacturing experience
  • Offers custom sheet metal drain pans
  • Extremely resistant to corrosion

KDM Sheet Metal Drain Pan

KDM sheet metal drain pans are multipurpose and can be used in industrial environments, exterior applications, and other applications that need excellent corrosion resistance. They are widely used in HVAC units for catching condensate from commercial HVAC systems, furnaces, and AC units. Also, they are used in aircraft and vehicles for catching potential spill hazards, transmission fluids, and oil. Additionally, they are used for home appliances such as water heaters, washing machines, refrigerators, ice makers, etc.

Our drain pans can be manufactured using galvanized steel, aluminum, stainless steel, copper, steel, carbon steel, etc. They can be applied with an anti-rust coating so they will have more durability and resistance to corrosion.

Moreover, the drain pans will not crack or break when exposed to oils, chemicals, and various temperatures. They are also designed with features such as leak-proof, non-sharp hemmed edges, sturdy, and lightweight.

KDM also has the ability to produce custom sheet metal drain pans for your specific needs. If you need our customization services, you can send us your requirements!

KDM Sheet Metal Drain Pan Series

Galvanized Square Sheet Metal Drain Pans

The galvanized square sheet metal drain pans are commonly used for top-load washing machines that have spill containment or leakage. They are made from heavy-duty galvanized steel for superior corrosion resistance and durability.

Sheet Metal Aluminum Oil Drain Pan

The sheet metal aluminum oil drip pans are designed with carry handles, smooth finish, and leak-proof design. They are constructed from aluminum sheet metal that can be polished or powder coated to improve their resistance to corrosion.

Sheet Metal Stainless Steel Drain Pans
Sheet Metal Stainless Steel Drain Pans

The sheet metal stainless steel drain pans resist corrosion, chemicals, oils, and scratches. They are designed with hemmed edges, single drain holes, and water-tight corners. Also, they are leak-proof and prevent the growth of microbial organisms.

Sheet Metal Stainless Steel Drain Pans
Round Stainless Steel Sheet Metal Drain Pans

The round stainless steel sheet metal drain pans are commonly used for both commercial and residential applications. They are constructed from stainless steel that provides excellent corrosion resistance and long-lasting protection against leaking equipment.

Galvanized Sheet Metal Air Conditioner Drain Pans
Galvanized Sheet Metal Air Conditioner Drain Pans

The galvanized sheet metal air conditioner drain pans catch the leaking condensate from air conditioner units. They are constructed from galvanized steel which is very resistant to corrosion. Also, they are designed with hemmed edges and fully welded corners.

Aluminum Sheet Metal Water Heater Drain Pan
Aluminum Sheet Metal Water Heater Drain Pan

The aluminum sheet metal water heater drain pans are used for catching any leakage from commercial and residential hot water heaters. They have superior durability, excellent high-temperature resistance, corrosion resistance, and lightweight design.

6 Products Found.

KDM Sheet Metal Drain Pan Advantages

High Corrosion Resistance
High Corrosion Resistance

The sheet metal drain pans from KDM are highly resistant to different types of corrosion. They are resistant to some elements that can cause corrosion such as condensate, oils, transmission fluids, corrosive chemicals, hazardous spills, and more.


KDM sheet metal drain pans are well-constructed to ensure there is no leakage. Hazardous spills, liquids, oils, and other substances will not leak. It is very important that they are leak-proof to prevent the AC systems and appliances from damaging.

High Durability
High Durability

All of the sheet metal drain pans from KDM are constructed from the most durable raw materials. We are using different types of materials that can surely last for years. Some of the materials are galvanized steel, stainless steel, aluminum, etc.


The sheet metal drain pans are made of materials that can withstand a wide range of temperatures, from low to high. They have excellent resistance to temperature and will not crack or break when exposed to high or low temperatures.

Sheet Metal Drain Pan Production Processes

There are many different manufacturing processes to do to produce the metal drain pans. Some of our processes or machining services include:

Sheet Metal Drain Pan Production Processes
KDM Sheet Metal Drain Pan Materials

KDM Sheet Metal Drain Pan Materials

KDM is using high-quality, sturdy, non-toxic, and industrial-grade materials in order to produce quality sheet metal drain pans. We are using materials such as:

Galvanized Metal – KDM can use galvanized iron or steel sheet metal to manufacture the drain pans. The drain pans that are made from this metal are suitable for industrial environments, exterior applications, and other applications in which high resistance to corrosion is needed. This type of metal has a zinc coating applied to them which makes them more durable and resistant to corrosion and rust.

Aluminum – Aluminum is a metal that has a light weight and high durability. It also naturally resists corrosion.

Stainless Steel – We are using different grades of stainless steel such as 304, 316, and other grades to manufacture the drain pans. Stainless steel drain pans also have excellent corrosion resistance. Aside from that, they are durable and easy to clean. They can also be applied with a brushed or matte finish.

Every material that we use has its own unique features. We can also customize the materials as per your request. And if you are not sure about which material is ideal for your projects or applications, get in touch with us and we will give some professional advice!

KDM Sheet Metal Drain Pan Applications

The sheet metal drain pans are a multi-functional and reliable containment tray that is suitable for various applications such as:

  • Exterior applications
  • Industrial applications
  • Abusive commercial applications
  • Residential applications

They can be used for HVAC systems, air handling units, air conditioning units, dryers, furnaces, gas or electric water heaters, home appliances such as washing machines, ice makers, refrigerators, etc.

Also, they are commonly installed directly underneath to collect any oils, dripping moisture, transmission fluids, leaking water, and other potential spill hazards. They are used to prevent leakage from spreading to the floor and to save money on repairs.

KDM Sheet Metal Drain Pan Applications

Choose KDM to Custom Your Sheet Metal Drain Pan

Choose KDM to Custom Your Sheet Metal Drain Pan
Choose KDM to Custom Your Sheet Metal Drain Pan1

KDM is a certified manufacturer in China that fabricates different types of sheet metal drain pans from high-quality, sturdy, and finest materials such as galvanized metal, aluminum, stainless steel, powder-coated metal, and other metals.

We are also manufacturing them using the latest techniques and manufacturing equipment such as 3D flexible welding platforms, 3000W optical laser cutting machines, 3D flexible welding platforms, different types of detection machines, and other machines. Thanks to our long experience, latest technology, and expert engineers we are capable of providing custom drain pans.

The sheet metal drain pans can be custom fabricated based on your required dimensions, materials, designs, hole sizes, colors, surface finish, and other specifications. All of our drain pans comply with international and quality standards, including ISO. They are also designed to resist various temperatures, corrosion, and other tough elements. So, you can rightly say they have excellent and reliable quality.

KDM is a supplier of metal drain pans that you can trust! Feel free to contact us if you have any concerns regarding sheet metal drain pans or services.

KDM Sheet Metal Drain Pan Fabrication

KDM Sheet Metal Drain Pan Features
KDM Sheet Metal Drain Pan Features

The sheet metal drain pans are manufactured with a lot of features and advantages such as:

  • Corrosion-resistance
  • Recyclable
  • Watertight
  • Leak-proof
  • Excellent weather resistance
  • Light in weight
  • Great durability
  • Good chemical resistance
  • Excellent temperature resistance
  • Heavy-duty
  • Easy to clean
  • Not easy to deform
KDM Sheet Metal Drain Pan Types
KDM Sheet Metal Drain Pan Types

KDM is manufacturing metal drain pans in a wide variety of types. Some of our wide range of drain pans include:

  • Round Sheet Metal Drain Pans
  • Front-Load Sheet Metal Drain Pans
  • Wall-Mounted Sheet Metal Drain Pans
  • Square Sheet Metal Drain Pans
  • Rectangular Sheet Metal Drain Pans

Moreover, we can customize all types of drain pans based on your requirements. We are also capable of producing them according to your required shapes or designs. You can send your drawings or specifications and we will fabricate them accurately and according to your requests.

OEM & ODM Sheet Metal Drain Pan for Various Applications

Round Aluminum Sheet Metal Drain Pan
Round Aluminum Sheet Metal Drain Pan

The round aluminum sheet metal drain pans are lightweight, sturdy, rust-resistant, and leak-proof. They are designed with rolled edges to avoid your skin from scrapes and cuts. Also, they are commonly used for gas hot water heaters, electric water heaters, etc.

Steel Sheet Metal Drain Pans
Steel Sheet Metal Drain Pans

The steel sheet metal drain pans are made from high-quality, durable, thickened, and heavy-duty steel sheet with a powder coating finish. They are commonly used for washing machines. Also, they have seamless corners so spillage and leakage will be prevented.

Sheet Metal Drain Floor Pans
Sheet Metal Drain Floor Pans

The sheet metal drain pans have excellent corrosion resistance, good chemical resistance, and high durability. They are commonly used as bathroom shower drains. Also, they have a rectangular design.

Handled Aluminum Sheet Metal Drain Pans
Handled Aluminum Sheet Metal Drain Pans

The handled aluminum sheet metal drain pans are used for changing the quick-change gears of cars. They are made from heavy-duty aluminum. Moreover, they are resistant to hazardous chemicals, corrosion, rust, etc.

Hanging Galvanized Sheet Metal Drain Pans
Hanging Galvanized Sheet Metal Drain Pans

The hanging galvanized sheet metal drain pans are made from industrial-grade, heavy-duty, and corrosion-resistant galvanized metal. They are designed with hemmed edges, hanging tabs on the ends, fully welded corners, etc. Also, they are water-tight, chemical-resistant, and light in weight.

Custom Sheet Metal Drain Pan to Skyrocket Your Business
Custom Sheet Metal Drain Pan to Skyrocket Your Business

Many types, shapes, and sizes of sheet metal drain pans are available at KDM. KDM manufactures them using the finest materials to ensure the quality, durability, and reliability of the drain pans.

  • “The drain pans that we ordered from KDM are perfect! They arrived without damage and defects. In addition, they are customized as requested. For my future projects, we will contact KDM again without hesitation.”

  • “We just received the drain pans from KDM today and we are very impressed! They are nicely finished, sturdy, and well-made. The sizes and materials are followed and really according to my requests.”

  • “We really thank KDM for their professionalism, amazing services, and quality drain pans! Their precise customization service really helps my business. The drain pans are also obviously made to last!”

Sheet Metal Drain Pan: The Ultimate FAQ Guide

I know you are probably looking for high quality and durable sheet metal drain pan.

A reason this guide covers everything about sheet metal drain pans – from design, features, fabrication process to surface finishing.

Let’s dive right in.

What Is Sheet Metal Drain Pan?

The sheets metal drain pan is designed to mitigate collected water from dripping into unwelcome areas.

Ice makers, heaters, air conditioners, home appliances, refrigerators, and washing machines all use these pans, which are corrosion resistant.

 sheet metal Drain pansheet metal drain pan

Sheet Metal Drain Pan Material

Galvanized Steel Sheet Metal

Galvanized steel is a material utilized to produce drain pan parts; most of the time, steel or iron is used to fabricate the end design of the pan.

These materials are of superior quality to others, including durability, scratch resistance, and rust resistance due to their coating.

galvanised steel

galvanized steel

This material is appropriate for all types of weather and may be used both outside and inside.

You may use this metal for making electronic parts, construction and automotive pieces.

Two types of galvanized steel are commonly used.

  • Electro-galvanized sheet metal
  • Hot -galvanized sheet metal.

Some of the benefits of galvanized steel include:

  • It has the toughest coating
  • It needs less maintenance
  • It is reliable
  • It has a long life span
  • It can be easily inspected in case of damages

Stainless Steel Sheet Metal

Stainless steel is a tough and high-quality metal commonly used to build sheet metal drain pans and is highly recommended by various industries.

We recommend them for electronic, and telecommunication uses. They are available in a variety of grades.

The following are some of the characteristics of stainless steel:

  • They are corrosion-resistant metal
  • Stainless steel is heat and fire-resistant
  • You can easily clean them
  • They are impact resistance
  • The metal is durable

Aluminium Sheet Metal

Another metal that may be utilized to make drain pans is aluminium. They do have a large selection, which is beneficial to the metal.

They are mostly suitable for marine and aero scope applications and friendly to internal and external use.

These materials are usually low in weight and inexpensive.



Aluminium has the following characteristics:

  • They are flexible
  • You can recycle this metal
  • Aluminium is also corrosion resistance
  • It is a good electrical and thermal conductivity
  • It serves as a good reflector
  • It’s an alight weight metal
  • It is also pocket friendly

Copper Sheet Metal

Copper is another metal you can use to fabricate drain pans. This material easily forms the drain pans into different designs and shapes.

You can use it in different ranges like making toller bracket parts, roofing, guttering, and even electronarcotic materials.

Suitable also for internal and external use too.

The benefits of using copper metal are;

  • Copper is corrosion resistant
  • It is lightweight
  • It is a good electrical conductivity
  • Copper is heat resistant
  • It can be sharped easily without breaking
  • Copper can also withstand high tensile stress
Uses Of Sheet Metal Drain Pan

Sheet metal drain pans have various functions and are also reliable. You can use the sheet metal drain pan in;

  • Refrigerators
  • HVAC system
  • Washing machine
  • Gas
  • Electrical water heaters
  • Air handling units
  • Home appliance

These sheet metals also are used in the industrial sector like Installing underneath to collect any oil, leaking spillage and any other hazardous spillage in the commercial.

Normally they are divided into four categories which are;

  • Home applications
  • Industrial application
  • Commercial application
  • Any exterior applications
Fabricating Sheet Metal Drain Pan

Cutting Sheet Metal

Cutting sheets is a step in fabricating a sheet metal drain pan. There are various methods for cutting sheet metal, including;

This usually involves a strong laser that a lens has magnified. It’s a high-precision, low-energy machine that works best with medium-gauge sheet metal.

Laser cutting is usually the first method, and it is more precise since it is intensified.

However, the sole disadvantage is that it may be difficult to penetrate the hardest sheet metal material, and laser cutting requires a great deal of caution while cutting sheet metal.

  • Water jet cutting

Another way to cut sheet metal production is to use this procedure.

Fabricating Sheet Metal Drain Pan

It normally uses high-pressure jet water to cut the sheet metal that is usually mixed with abrasive compounds.

This procedure is ideal for sheet metals with a low melting point since it produces no heat that could cause the metal sheet to distort.

  • Plasma cutting

Another option for cutting fabricated sheet metals is plasma cutting.

Typically, a plasma cutter generates an electrical route of thermionic emission, which produces a hot plasma jet that can flow easily through any thick metal sheet.

Compared to jet cutting and laser cutting, plasma cutting is always more powerful and faster. Compared to the two examples above, it isn’t quite as accurate.

Forming Sheet Metal For Drain Pan

Forming sheet metal is usually the last step in shaping a drain pan portion made of sheet metal.

For sheet metal drain pans, you can use one of the following methods:

This stage is a straightforward procedure that entails bending sheet metal components to create the forms required for drain pans.

This is usually accomplished by using a set of rollers to bend sheet metals or by using press brakes to get excellent results.

  • Roll forming

In most of these processes, a roll forming line is present, which feeds the metal sheet through roll stations.

In each roll station, both sides of the rollerblade are present. Typically, the rollers are of varying angles of the metal sheet.

  • Spinning

This is another process of making sheet metal, in which the sheet metal is rotated at high speed and forced against the associated spindle headstock.

A tailstock supports the metal during the spinning cycle.

Pressure is generally applied to the sheet metal using a particular tool to produce the desired shape of the sheet metal drain pan.

Joining Or Assembling Sheet Metal Drain Pan

Putting together the parts to make a complete metal drain pan is known as joining or assembling sheet metal drain pans.

sheet metal drain pan

sheet metal drain pan

We can join the sheet metal drain pan parts in a variety of ways during this process, including:

  • Welding assembling sheet metal drain pan

In general, welding assembly is a method of fusing heat to combine two pieces of metal into one. Many businesses regard it as a solid solution for installing sheet metal drain pans permanently.

Your sheet metal drain pan will last longer if assembled using the welding process. It is mostly used on metals like aluminium and stainless steel.

  • Spot weld assembly

This is another method of joining two sheets of metal. However, it is less durable than traditional welding.

This approach is cost-effective and can be used on any metal component.

  • Rivet assembly method

This method is ideal for assemblies requiring shear strength and involving various materials. Compared to welding assembly, it has the same properties but less strength.

The rivet assembly is also inexpensive.

Sheet Metal Drain Pan Designs

Sheet metal drain pan designs come in a range of shapes and sizes, with some of the more common beings:

Round Sheet Metal Drain Pan

Round sheet metal drain pans are circular and have a rolled edge to prevent cutting.

They are commonly used on electric water heaters and gas hot shower heaters.

Round sheet metal drain pan

round sheet metal drain pan

It is made of many materials, such as stainless steel, copper, and aluminium. Round sheet metal drain pans are lightweight, rust-resistant, and easy to clean.

Wall-mounted Sheet Metal Drain Pans

These drain pans are designed to be installed on the wall to capture spills and drips from the door installation.

This is currently one of the best modern designs on the market.

wall mounted sheet metal drain pans

wall mounted sheet metal drain pan

They’re typically seen on air conditioners, although they’re pretty pricey.

Square Sheet Metal Drain Pan

This drain pan is square, strong, corrosion-resistant, excellent quality, and lightweight.

These designs can catch fluid drips from store items, washing machines, cars, and even business spills.

square sheet metal drain pan

square sheet metal drain pan

This is a great drain pan to have on hand if you’re working with oil. They have seamless corners to prevent leakage.

Rectangle Sheet Metal Drain Pan

There’s also a heavy-duty, high-quality, and long-lasting drain pan. They’re mainly seen in shower drains in bathrooms.

rectangle sheet metal drain pan

rectangle sheet metal drain pan

It’s worth noting that they’re also chemically resistant, which is a bonus.

Front-load Sheet Metal Drain Pan

The most common shapes for front-load sheet meal drain machines are rectangles and squares. They are rust-resistant, high-quality, and long-lasting.

Typically seen in washing machines. They are also one of the best designs available on the market.

We can produce custom sheet metal drain pan designs; all you have to do is draw your design on paper and explain how you want it done at each step.

Send the sketch to our website, and we’ll get back to you with a more detailed design.

Sheet Metal Drain Pan Surface Finish Options

Powder coating

Spraying powdered paint on the sheet metal drain pan is one alternative for a surface finish.

This will aid in the formation of a highly robust coating that is both wear and corrosion-resistant.

It’s one of the most effective surface finishing choices available.

They also have a variety of surface treatments to pick from, including metallic, glossy, semi-glossy, flat, and textured.

Pros of powder coating surface finish;

  • It is corrosion and abrasion resistant to a high degree.
  • The sheet metal finishes implanted are long-lasting and do not fade
  • The final product is non-toxic and has lower flammability.
  • It has a large selection of sheet metal finishes for almost every type of sheet metal you want.


  • You can’t make distinct hues by mixing powders.
  • It can be a bit pricey because of its quality.

Anodizing Surface Finish

Titanium and aluminium sheet metals are the most regularly used metals.

In terms of technology, it employs an electrochemical technique to provide corrosion protection to the sheet metal surface.

Surface polishing commonly entails immersing aluminium alloys in electrolytic solutions and acids to produce an aluminium oxide finish.

The following are some of the advantages:

  • It gives the sheet metal drain pan a smooth finish
  • it also hardens the surface finishing of the steel metal drain pan
  • It’s also corrosion-resistant;
  • You can dye the surface to make it coloured.

On the other hand, it is limited in terms of cost-effectiveness.



A metal layer is generally put on top of the other surface in this sheet metal drain pan surface finish type.

This process occurs when both metals are placed in an electrolyte comparable to an anodic substance, and both are bonded by electric conduction.

It’s a suitable radiation-resistant surfacing.

The benefits are;

  • This surface finishing reduces friction
  • It highly improves conductivity
  • It is always known to be compatible with different types of sheet metals.
  • It is resistant to corrosion.

Its disadvantage is the costly surface finish option.

Galvanized Dipped Surface Finish

Galvanized Dipped Surface Finish

This sheet metal surface finish option often involves dipping sheet metal drain pans in molten zinc, resulting in a tightly bonded alloy surface coating.

The zinc coating acts as a physical barrier and a sacrificial anode, making it one of the greatest ways to avoid corrosion damage.

The majority of the time, HVAC ACs are used.

Benefits ;

  • It usually results in a uniform finish.
  • It is a faster method to consider
  • Perfect for heavy-duty steel metal drain pans
  • Its surface finish is generally corrosion-resistant.
  • It is durable

The limitation is that the surface finish is also expensive

Dacromet Surface Finish

The combination of aluminium and zinc powder with a binder spray application is used to create a Dacromet steel metal surface finish.

Heat is usually used for the process to be completed, resulting in an oxide layer type on the surface.

Surface finishing of sheet metal rain pans for marine parts, construction, and aviation scope is the most common application.


  • Dacromet surface finishing improves corrosion resistance to the steel metal drain pan.
  • The surface finishing has a high resistance to both chemical and mechanical damages.
  • You can opt to paint the surface finishing.
  • It has a thin layer of protection that acts as a barrier.
  • It has the benefit of producing electrical conductivity.
Benefits Of Sheet Metal Drain Pan

Sheet metal drain pans usually have a lot of benefits which are;

Sheet Metal Drain Pan

  • Sheet metal drain pan can be recycled, which gives you an easy way of disposal.
  • Furthermore, sheet metal drain pans are made from high-quality materials, making them long-lasting and cost-effective.
  • Sheet metal drain pan has another advantage of being great temperature resistance. They are not affected by any form of weather.
  • The sheet metal drain pan cannot deform easily, no matter how long it lasts.
  • Another benefit is the sheet metal drain pan is always easy to clean.
  • Also, the steel metal drain pan is leakproof. They are constructed properly with no leakage occurring on them.
  • Sheet metal drain pans are rust-resistant, so you won’t have to worry about dealing with corrosion on your drain pans.
  • Another advantage is their modest weight, which allows you to save a lot of energy when holding the sheet metal drain pan.
  • Chemical resistance is an advantage of sheet metal drain pans, so you don’t have to worry about them being affected by chemicals.
Thickness Of Sheet Metal For Drain Pan

0.37 to 0.785 inches are the normal thickness standard for sheet metal drain pan.

If you want to consider a custom sheet metal drain pan, the thickness should be from 108inches to 1233 inches thick.

For any questions or inquiry on sheet metal drain pan, contact us now.

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