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Home - Materials - CNC Machining Metals - Stainless Steel CNC Machining

Stainless Steel CNC Machining

 

Steel containing more than 12% chromium has the characteristics of stainless steel, with excellent corrosion resistance, formability, compatibility, and toughness, used in heavy industry, light industry, household goods industry, and architectural decoration industries.

 

Among the materials available for CNC machining at Tuofa, there are numerous stainless steel grades to choose from, 201、 301、 303、 304、 304L、 316、 316L、 321、 410、 416、 420、 430、 440、 630、 6305, as you can see, we have a unique advantage in our hard metal CNC machining services, we can customize parts to any stainless steel grade you specify.


Learn More Stainless Steel Material

 

 

Advantages of Stainless Steel

 

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Fire and Moisture Resistant

High strength steel can reduce the total weight required by 25%-30%, in addition, product cycle cost calculations show that stainless steel is usually more than 25% cheaper compared to alternative materials.

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Faster

Stainless steel is very resistant to fire and moisture, high temperature resistance 800 ℃, low temperature resistance -196 ℃, can withstand the test of ice and fire.

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Safety, Environmental Protection

Stainless steel material is healthy and environmentally friendly, does not release formaldehyde and radiation, used in a variety of industries are very suitable, can be reused to meet the pursuit of sustainable development.

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Easy to Clean

Stainless steel products are very easy to clean, do not need to spend time to do maintenance, you can directly wipe, will not discolor, pay attention not to use strong alkaline solution wipe.

 

 

 

Stainless Steel for CNC Machining Service

 

Tuofa is a highly respected CNC specialist in the bustling Shenzhen region of China. Our mechanical engineers have a deep understanding of the various stainless steel materials available for their precision CNC machining services. With a keen understanding of the underlying crystal structure, Topfa skillfully classifies these materials into four categories: austenite, ferrite, martensite, and duplex. Through the skillful use of these materials, CNC on-demand manufacturing services have become a true testament to our unparalleled mastery of craftsmanship.

 

Ferritic Stainless Steel

Ferritic stainless steel, a nickel-free chromium stainless steel, accounts for more than half of the total production of stainless steel.

 

Advantages

 

Has the formability, economy, corrosion resistance, oxidation resistance and other properties of nickel-containing stainless steel, and low cost, excellent stress corrosion resistance and other significant features, known as economic stainless steel

 

Applications

 

CNC Machining ferritic stainless steel material is mainly used to make corrosion-resistant parts such as gas turbine parts, etc.

 
Ferritic Stainless Steel

Austenitic Stainless Steel

Austenitic stainless steel is a stainless steel material with stable internal austenite organization, which contains 18% chromium and about 8% nickel, but also contains a small amount of molybdenum, titanium, nitrogen and other elements.

Advantages

 

Good overall performance, corrosion resistance of a variety of media, toughness and plasticity are relatively good, easy to cut performance

 

Applications

 

Austenitic stainless steel CNC machining are widely used in major industries. Such as corrosion-resistant containers and equipment lining, transport pipelines, nitric acid-resistant equipment parts, etc., in addition to being used as the main material of stainless steel watch jewelry.

 
Austenitic Stainless Steel

Martensitic Stainless Steel

Martensitic stainless steel belongs to is a hardenable stainless steel material.

 

Features

 

The mechanical properties of this stainless steel material can be changed by heat treatment.

 

Applications

 

At present, CNC machining martensitic stainless steel parts is mainly used in the processing and production of steam turbine blades, surgical instruments and other products.

 
Martensitic Stainless Steel

Duplex Stainless Steel

Duplex stainless steel is a kind of internal austenitic and ferritic organization structure of each half of the stainless steel products, compared with ferritic stainless steel, the price is relatively high.

 

Advantages

 

Has the characteristics of austenitic stainless steel material and ferritic stainless steel material, and compared with ferritic stainless steel, its plasticity is better, higher toughness, and compared with austenitic stainless steel, its thermal conductivity is better and the expansion coefficient is smaller.

 

Applications

 

2205 stainless steel is widely used in the oil and gas industry, piping systems in the industrial manufacturing industry and heat exchangers.

 
Duplex Stainless Steel

 

 

Try Tuofa Now!

 

 

 

Are you looking for aluminum parts that offer superior performance and production specific flexibility to CNC machined aluminum manufacturers? Review Shenzhen Tuofa!

 

 

 

Stainless Steel Parts Quote

 

 

Commonly Used Stainless Steel Grades and Properties

 

304 stainless steel

 

It is one of the most widely used austenitic stainless steels in terms of application and use, suitable for manufacturing deep-drawn forming parts and acid transfer pipes, vessels, structural parts, various instrument bodies, etc. It can also be used for manufacturing non-magnetic, low-temperature equipment and parts.

 

304L Stainless Steel

 

Its corrosion resistance is significantly better than 304 stainless steel. In addition to slightly lower strength, other properties with 321 stainless steel, mainly used for welding and can not be solid solution treatment of corrosion-resistant equipment and components, can be used in the manufacture of various types of instrument bodies.

 

 

316 Stainless Steel

 

In 305 steel based on the addition of molybdenum, so that the steel has good resistance to reducing media and pitting corrosion resistance. In seawater and various other media, corrosion resistance is better than 304 stainless steel, mainly used for pitting corrosion resistant materials.

 

 

316L Stainless Steel

 

Ultra low carbon steel, with good resistance to intergranular corrosion in the sensitized state, suitable for the manufacture of thick cross-sectional dimensions of welded parts and equipment, such as petrochemical equipment in the corrosion-resistant materials.

 

 

Whether you need a custom CNC aluminum prototype or mass production, our aluminum machining engineers have the expertise and technology to deliver the quality and precision you need. 

 

So why wait? Contact Tuofa today to learn more about our CNC aluminum machining and how we can help you achieve your goals!


Custom Stainless Steel Products

 

 

Stainless Steel Finishes

 

Due to the excellent corrosion resistance inherent in stainless steel, it is often used without any coating, directly using its bare metal. Thus, we only see its original color, silver white a color, it will make people feel a little monotonous. Thus, the color stainless steel was born.

 

Stainless steel application development prospects will become more and more extensive, depending on the degree of development of surface treatment technology.

 

Stainless steel surface treatment to choose which method, according to the product structure, material, and different requirements for the surface, choose the appropriate method for processing. Tuofa can currently provide six kinds of stainless steel post-treatment process, including: mill finishes, polished finish, brushed finish, paint, electroplating, and any chemical treatment process you specify.

 

 

 

 

 

 

People Also Ask

 

Why does stainless steel rust?

 

Yes! Stainless steel will rust, there are three main factors that affect the rusting of stainless steel.

The content of alloying elements

Generally speaking, the content of chromium in 10.5% steel is not easy to rust. The higher the content of chromium and nickel, the better the corrosion resistance, such as 304 material nickel to the content of 8-10%, chromium content of 18-20%, such stainless steel in general is not rusty.

Smelting Process

Smelting technology is good, advanced equipment, advanced technology of the large stainless steel plant both in the control of alloying elements, impurity removal, billet cooling temperature control can be guaranteed, so the product quality is stable and reliable, good inherent quality, not easy to rust. On the contrary, some small steel mills are backward in equipment, technology, smelting process, impurities can not be removed, the production of products will inevitably rust.

External Environment

The climate is dry and well ventilated environment is not easy to rust, while the air humidity, continuous rainy weather, or the air contains acidity and alkalinity of the environment area will be easy to rust. 304 stainless steel, if the surrounding environment is too poor is also rusty.


 
 
How to deal with stainless steel rust?

 

Chemical method

Use pickling paste or spray to assist its rusted parts to re-passivate the formation of chromium oxide film so that it regains corrosion resistance, after pickling, in order to remove all the contaminants and acid residues, it is very important to use water for proper rinsing. After all treatment, repolish with polishing equipment and close with polishing wax. For local slight rust spots can also be used 1:1 gasoline, engine oil mixture with a clean rag to wipe away the rust spots.

Mechanical Method

Sandblasting, cleaning with glass or ceramic particles, annihilation, brushing and polishing. It is possible to wipe away the contamination caused by previously removed materials, polishing materials or obliterated materials by mechanical methods. All kinds of contamination, especially foreign iron particles, can be a source of corrosion, especially in wet environments. Therefore, mechanical cleaning of the surface should preferably be carried out under dry conditions for formal cleaning. The use of mechanical methods can only clean its surface, can not change the material itself corrosion resistance. Therefore, it is recommended to re-polish with polishing equipment after mechanical cleaning, closed with polishing wax.


 
 
What are the properties of 440C stainless steel and 904L stainless steel?

 

904L Stainless Steel

Super complete austenitic stainless steel, its nickel mass fraction is 24% a 26%, carbon mass fraction is less than 0.02%, excellent corrosion resistance, while having good resistance to crevice corrosion and stress corrosion resistance. The original standard ASMESB-625 classifies it as a nickel alloy, and the new standard classifies it as stainless steel. China only has a similar grade 015Cr19Ni26Mo5Cu2 steel, a few European instrument manufacturers use 904L stainless steel for key materials, such as E + H mass flowmeter measuring tube is the use of 904L stainless steel, Rolex watch cases also use 904L stainless steel.

440C Stainless Steel

Martensitic stainless steel, hardenable stainless steel, stainless steel in the highest hardness, hardness of HRC57. mainly used for making nozzles, bearings, valve spool, valve seat, sleeve, valve stem, etc..


 
 

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