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CNC Machining Stainless Steel Service

DEK specializes in machining various types of stainless steel, providing you with top-notch custom stainless steel parts. We use advanced CNC lathes, 3-axis and 5-axis CNC milling machines and mature processing technology to make parts with tight tolerances up to +/- 0.005mm.

We produce parts from simple to complex geometries for your project, and provide polishing, brushing, electroplating, bead blasting, powder coating and other surface treatments you need.

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Stainless Steel Machine Shop

Stainless steel is durable, corrosion-resistant and visually appealing. It's a popular metal for manufacturing projects and is widely used in CNC machining because of its strength, low maintenance, and ability to withstand various temperatures and chemicals.

DEK's machine shop produces custom stainless steel parts using the latest CNC lathes as well as 3-axis and 5-axis CNC milling machines. We can machine different types of stainless steel: 304, 304L, 316, 316L, 15-5, 17-4 PH, 2205 Duplex, 301, 303, 410, 416, 420, 430, 440C, A286 and Nitronic 60.

DEK is a trusted, affordable manufacturer of top-notch custom stainless steel parts, and our quality services ensure high-precision parts for industries such as construction, manufacturing, and medical, perfect for fasteners, valves, bearings, shafts, housings, and fittings. With our stainless steel CNC machining services, you can also choose from bead blasting, polishing, powder coating, chemical plating, and other surface finishes you need!

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Stainless Steel Material List

Stainless Steel 15-5

Stainless Steel 15-5, also known as 15-5 PH, is a martensitic precipitation-hardening stainless steel alloy. It has high strength, good corrosion resistance, and excellent toughness.

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Stainless Steel 17-4 PH

Stainless steel 17-4 PH is a strong and durable alloy that can be hardened through aging at different temperatures.

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Stainless Steel 2205 Duplex

Stainless Steel 2205 Duplex is a corrosion-resistant alloy made up of chromium, nickel, molybdenum, and manganese.

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Stainless Steel 301

Stainless Steel 301 is a popular austenitic stainless steel alloy with high strength and corrosion resistance.

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Stainless Steel 303

Stainless Steel 303 is widely used in CNC machining due to its exceptional machinability. It belongs to the 300 series of stainless steel.

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Stainless Steel 304

Stainless Steel 304 is a commonly used material in CNC machining. It is known for its corrosion resistance and mechanical properties.

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Stainless Steel 304L

Stainless Steel 304L is a widely used stainless steel alloy known for its corrosion resistance, formability, and weldability.

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Stainless Steel 316

Stainless Steel 316, also known as marine-grade stainless steel, is a popular material in CNC machining due to its good mechanical properties

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Stainless Steel 316L

Stainless Steel 316L is a popular austenitic stainless steel in CNC machining due to its excellent corrosion resistance, high strength, and versatility.

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Stainless Steel 410

Stainless Steel 410 is a type of martensitic stainless steel known for its strength, hardness, and wear resistance. Its composition includes primarily chromium, with around 11.5-13.5%

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Stainless Steel 416

Stainless Steel 416 belongs to the martensitic stainless steel family. It is known for its strength and hardness.

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Stainless Steel 430

Stainless Steel 430 is a ferritic, non-hardenable grade with good corrosion resistance, ductility, and formability.

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Stainless Steel 440C

Stainless Steel 440C is a high-carbon chromium steel. It has excellent hardness, wear resistance, and corrosion resistance.

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Stainless Steel 420

Stainless Steel 420 is a type of strong and hard martensitic stainless steel with high durability.

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Stainless Steel A286

Stainless Steel A286 is a high-strength precipitation-hardening alloy with excellent corrosion resistance, especially at elevated temperatures.

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Stainless Steel Nitronic 60

Stainless Steel Nitronic 60 is a high-performance anti-galling austenitic stainless steel alloy with excellent corrosion resistance, high strength, and good wear resistance.

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Basic Knowledge of Stainless Steel

What is Stainless Steel?

Stainless steel is a corrosion-resistant alloy primarily composed of iron, chromium, and other elements. The inclusion of at least 10.5% chromium forms a protective layer on the surface, preventing rust and corrosion. Various grades exist, with different alloying elements like nickel and molybdenum, tailoring the steel for specific applications. There are several types of stainless steel-- austenitic, ferritic, martensic, and duplex.

Austenitic stainless steel, exemplified by grades 304 and 316, is non-magnetic, corrosion-resistant, and easily formable. Ferritic stainless steel has good corrosion resistance but is less ductile. Martensitic stainless steel is hard and is often applied in cutlery. Duplex stainless steel combines features from both austenitic and ferritic types with high strength and corrosion resistance.

Advantages of Stainless Steel

Corrosion resistance

High strength

Low maintenance

Aesthetic appeal

Hygienic properties


Temperature resistance



Cost-effective in the long run

Applications of Stainless Steel

Kitchen appliances

Medical instruments

Automotive parts

Aerospace components

Construction materials

Oil and gas pipelines

Marine equipment

Architectural structures

Electronic components

Springs and fasteners


Machining Stainless Steel Buying FAQ

Stainless steel is highly corrosion-resistant, but it is not 100% stainless. The term "stainless" refers to its ability to resist rust and corrosion. Stainless steel contains a minimum of 10.5% chromium, which forms a protective oxide layer on the surface, preventing rust. However, environmental factors, exposure to chemicals, and fabrication processes can affect its corrosion resistance.
Yes, stainless steel is weldable. Welding stainless steel requires appropriate techniques and equipment to prevent distortion, scaling, or loss of corrosion resistance. Common welding methods for stainless steel include TIG (Tungsten Inert Gas) welding and MIG (Metal Inert Gas) welding. Using the correct filler material and following proper welding procedures is essential to achieve strong and corrosion-resistant welds.
The ease of bending stainless steel depends on its alloy composition and thickness. While stainless steel is less malleable than other metals, it can be bent using specialized equipment and techniques such as press brakes. The bending process may require more force than softer materials, and certain stainless steel alloys may exhibit different levels of bendability.
No, stainless steel is not flammable. It is a non-combustible material that does not catch fire or support combustion. However, it's important to note that while stainless steel itself is not flammable, adjacent materials or substances in contact with it may have different flammability characteristics.

Other Materials


Tool Steel

Tool steel is a specialized type of high-quality steel always available from DEK. Get precision cutting tools, dies, molds, and other tools for metalworking and plastic molding.

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Mild Steel

Forging, welding, and machining mild steel are some of DEK’s expertise. Because of mild steel’s high malleability and ductility, it can be easily formed, bent, and stretched without breaking.

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Alloy Steel

Powerful than carbon steel, more wear-resistant, more tear-resistant. Alloy steel is durable and can withstand high-temperature environments.

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