Stainless Steel 14Cr17Ni2 AISI 431 Round Bar 230mm DIN1.4057 Forged Rod

Stainless Steel 14Cr17Ni2 AISI 431 Round Bar 230mm DIN1.4057 Forged Rod

Stainless steel round bar 431 SUS431 X22CrNi17 431S29
431 is martensitic stainless steel and 430 is ferritic stainless steel. The difference in elemental content between the two is not very large, mainly 431 contains 1.25%-2.5% nickel, and 430 does not. The elemental composition of these two materials is as follows:
Elemental composition of 431 stainless steel: (carbon) C0.2, (manganese) Mn1.0, (phosphorus) P0.04, (sulfur) S0.03, (silicon) Si1.00, (chromium) Cr15~17. (Nickel) Ni1.25~2.5.
Elemental composition of 430 stainless steel: (carbon) C0.12, (manganese) Mn1.0, (phosphorus) P0.04, (sulfur) S0.03, (silicon) Si1.00, (chromium) Cr16~18.
431 stainless steel, name: martensitic stainless steel. 431 (16Cr-2Ni) Ni-containing Cr steel can obtain high mechanical properties by heat treatment, and its corrosion resistance is better than 410 steel and 430 steel. 431 stainless steel corresponds to China 1Cr17Ni2, Japan JIS SUS431.


The 1Cr17Ni2 system is a kind of steel with good strength and toughness in martensitic stainless steel. It has good corrosion resistance to aqueous solutions of oxidizing acids, most organic acids and organic salts. Generally suitable for the production of nitric acid, acetic acid production and light industry, textile and other industries require strong toughness and corrosion resistance of shafts, piston rods, pumps and other parts.

1. Corresponding national brands
2. Corresponding Japanese brand: SUS431
3. Corresponding to the German brand: X22CrNi17
4. Corresponding to the US brand: 431
5. Corresponding British brand: 431S29
6. Mechanical properties: tensile strength σb (MPa): quenching and tempering, ≥1080 elongation δ5 (%): quenching and tempering, ≥10 impact energy Akv (J): quenching and tempering, ≥39 hardness: annealing, ≤285HB
7. Heat treatment specifications and metallographic organization: heat treatment specifications: 1) annealing, high temperature tempering air cooling at 680 to 700 °C; 2) quenching, oil cooling at 950 to 1050 °C; 3) tempering at 275 to 350 °C. Metallographic organization: The tissue is characterized by martensite type.
8. Delivery status: Generally delivered in heat treatment state, the type of heat treatment is indicated in the contract; if not specified, it is delivered in the state without heat treatment.

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2. Start production immediately after receiving the advance payment.
3.About 10-15 working days to complete the production, and then the customer side to pay the balance.

Jiangsu Mittel Steel Industrial Limited is  located in Wuxi City,  a beautiful city near Shanghai.  Wuxi is close to  Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transportation. , Wuxi become the biggest  stainless steel sheet ,plate and coil  supply Centers in China. Jiangsu Mittel Steel Industrial Limited was established in 1998 years. as one of the largest stockists and manufacturers of industrial grade Stainless Steel products and derivatives in Wuxi ,We keep a stock of 50000 tons every month, so we can delivery goods in fast time.

Our company supplies cold/hot-rolled stainless steel sheets,stainless steel coils and stainless steel Plate to many steel factories from athome and abroad, including Shanxi Taigang Iron& Steel CO, . Ltd (TISCO)Zhangjiagang Pohang (ZPSS), Shanghai BAO STEEL, Ningbo Baoxin and steel factories in Taiwan area, Mainland Chinese and foreign countries and regions. 

Our long-term business lines are 201.202.304(1.4301).304L.316.316L(1.4404).430.409L, 309S ,310S(1.4845).317L.904L.S31803(1.4462).S32750.S32760, Finish: 2B, BA, NO. 1 NO. 4, HL, 8K and so on...Meanwhile, our company is also engaged in the long-term supply of homemade & imported medium and thick plates, galvanized and carbon steel products. 

Adhering to the principle of "quality first and customer foremost",our company will offer long-term service to nationwide manufacturers of household appliances, elevators, tableware, ornaments, tanks and machines. We can offer precise frosted wiredrawing, 8K mirror finishing and skim board oil-abrasion of various specifications at any time. The precisely-processed products will meet your requirements for high quality. Our company is a modern enterprise integrating distribution and storage. 

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.