Germany X12CrNiS188

● Features and application:
Stainless steel to improve machinability, resistance to fire resistance. Ideal for automatic lathes, bolts, nuts.
● Chemical Composition:
Carbon C: ≤ 0.15
Si Si: ≤ 1.00
Manganese Mn: ≤ 2.00
Sulfur S: ≤ 0.15
Phosphorus P: ≤ 0.20
Chromium Cr: 17.00 ~ 19.00
Ni-Ni: 8.00 ~ 10.00
Mo Mo: can be added to ≤ 0.60
● Mechanical Properties:
Tensile strength σb (MPa): ≥ 520
Conditions yield strength σ0.2 (MPa): ≥ 205
Elongation δ5 (%): ≥ 40
Reduction of area ψ (%): ≥ 50
Hardness: ≤ 187HB; ≤ 90HRB; ≤ 200HV
● Heat treatment and microstructure specifications:
Standard heat treatment: solution 1010 ~ 1150 ℃ fast-cooling.
Microstructure: Organizing for the austenitic type.
● Delivery status: normal to heat treatment delivery, the treatment types specified in the contract; not indicated, according to the non-heat treatment delivery