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Stainless Steel: SS201,SS301, SS303, SS304, SS316, SS416 etc.
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Steel: mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.
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Brass: HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.
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Copper: C11000,C12000,C12000 C36000 etc.
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Iron: A36, 45#, 1213, 12L14, 1215 etc.
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Plastic: ABS, PC, PE, POM, Delrin, Nylon, PP,PEI, Peek etc.
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CNC Milling work range: 510 * 1020 * 500 mm(max) Tolerance: +/-0.01 mm
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The primary difference between stainless steel and ordinary steel lies in the presence of chromium in its alloy. All stainless steels contain at least 10.5% chromium in their chemical composition, which imparts enhanced corrosion resistance. Different grades of stainless steel contain various alloying elements to further enhance corrosion resistance, heat treatability, and machinability. It's important to note that heat treatment significantly affects the mechanical properties of metals, making proper heat treatment procedures crucial during CNC machining.
Classification of Stainless Steel
Stainless steel can be classified based on its crystal structure and primarily includes the following types:
Austenitic stainless steels, such as the 300 and 200 series stainless steels, are highly formable and not easily work-hardened. In the annealed condition, these materials are generally non-magnetic.
Ferritic stainless steels are magnetic and have better thermal conductivity than austenitic stainless steels. However, they cannot be hardened by heat treatment.
Martensitic stainless steels, such as grades 416 and 420, can be hardened by various aging or heat treatment methods and are suitable for applications requiring high strength.
Duplex stainless steels, also known as austenitic-ferritic, are specifically formulated for improved corrosion resistance. This type of stainless steel is very common in industrial and building structures
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Given its versatility, various forms of stainless steel are widely used in nearly every industry.
304 Stainless Steel
304 stainless steel is an austenitic stainless steel widely used in fasteners for its excellent corrosion resistance. Often considered a lower-cost alternative to SS316, 304 stainless steel offers slightly less corrosion resistance than 316. This alloy is very similar to 18-8 stainless steel, containing similar amounts of chromium and nickel. However, due to its higher carbon content, 304 stainless steel possesses greater strength, making it an ideal choice for many applications.
Tensile Strength, Yield (MPa) | Shear Modulus (GPa) | Elongation at Break (%) | Hardness (Brinell) | Density (g/cm^3) |
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215 |
77 |
70 |
123 |
8.00 |
* Generalized values. For reference only.
FAQ:
Q: Are you a trading company or manufacturer?
A: We are a factory.
Q: How can I obtain a quotation?
A: To receive a quotation, please send us drawings in formats such as IGS, DWG, STEP, etc., along with a detailed PDF. If you have any specific requirements, please include them in the request, and we will provide professional advice for your reference.
Q: What if I don't have a drawing?
A: In such cases, you can provide us with samples or drawings. Rest assured, we will ensure the safety and confidentiality of any provided drawings.
Q: What is your delivery time?
A: Normally, it takes 7-14 days for the parts to be ready. We have systems in place to ensure timely delivery.
Q: How do you ship the products? What are the packing details?
A: For small quantity orders, we have partnerships with courier services like TNT, FEDEX, UPS, etc. For larger quantities, air or sea shipment options are available. We have standard packing details, but if you have any specific requirements, we are willing to assist you.
Q: Do you provide samples? Is there an extra charge?
A: Yes, we can provide samples, but there may be an extra charge for them.
Q: What are your payment terms? How can I make the payment?
A: Our payment terms are 50% T/T (bank transfer) in advance, with the balance payment due before shipment. If you have any other questions, please feel free to contact us.