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409 is a general purpose chromium, titanium stabilized ferritic stainless steel whose primary application is in automotive exhaust systems. It contains 11% chromium, the minimum amount to form a passive surface film that gives stainless steel its corrosion resistance. It combines good high temperature corrosion resistance with moderate strength, good formability, and overall cost. 409 has strong corrosion resistance compared to carbon steel and is used as a replacement for carbon steel in mildly challenging environments where its high resistance to corrosion and high temperature oxidation is an advantage. It is often used in applications where appearance is a secondary quality to mechanical properties and corrosion resistance.
Chemical composition | ||||||
C | Si | Mn | Cr | Ni | S | P |
≤0.08 | ≤1.0 | ≤1.0 | 10.5~11.75 | ≤0.5 | ≤0.045 | ≤0.045 |
Physical properties | ||||||
g/cm³ | Gpa | 10-6/ºC | W/m*K | μohm.in | ||
7.8 | 200 | 11 | 25.8 | 600 |
Mechanical properties | ||||||
σb (MPa) | σ0.2 (MPa) | δ5 (%) | hardness | |||
≥360 | ≥175 | ≥25 | ≤162HBW |
Q1.Can I have a sample order for stainless steel products?
A:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2.What about the lead time?
A:Sample takes 3-5 days, production time takes 7-15days for order quantity more than 28tons.
Q3.Do you have any MOQ limit for stainless steel products order?
A:Low MOQ, 1pc for sample checking
Q4.How do you ship and how long does it take to arrive?
A:For samples, we usually ship by DHL, UPS, FedEx or TNT, It usually takes 3-5 days to arrive. Airline and sea shipping are also optional. For mass products, ship freight is preferred.
Q5.Is it OK to print my logo on the product?
A:Yes.OEM and ODM can be provided for us.
Q6:Do you provide guarantee for the product?
A:Yes, we provide 5-10 years warranty for our products.
Q7:How to deal with the failure?
A: First of all, our products are produced under a strict quality control system, and the defective rate will be reduced by 0.2%.