1Cr18Mn8Ni5N Standard: GB / T 1220-1992 


 ● Features and Scope: 1Cr18Mn8Ni5N stainless steel, nickel-metal steel, instead of grades 1Cr18Ni9. 



 ● Chemical Composition: C: ≤ 0.15 Si Si: ≤ 1.00 Manganese Mn: 7.50 ~ 10.00 S S: ≤ 0.030 P P: ≤ 0.060 Cr-Cr: 17.00 ~ 19.00 Ni-Ni: 4.00 ~ 6.00 N N: ≤ 0.25 ● Mechanical Properties : tensile strength σb (MPa): ≥ 520 conditions yield strength σ0.2 (MPa): ≥ 275 Elongation δ5 (%): ≥ 40 Reduction of area ψ (%): ≥ 45 Hardness: ≤ 207HB; ≤ 95HRB ; ≤ 218HV 


 ● Heat treatment and microstructure specifications: Heat treatment specifications: fast solution 1010 ~ 1120 ℃ cold. Microstructure: Organizing for the austenitic type. 

 ● Delivery status: generally heat treatment delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery.