Stainless steel: X6CRNITI18-10 Executive Standard: DIN 17440 Origin: Germany 2 chemical composition of carbon C: ≤0.08 Si Si: ≤1.00 Mn Mn: ≤2.00 X6CRNITI18-10 X6CRNITI18-10 Chuan Chuan-ferrous metals iron metallothionein S: ≤0.030 phosphorus P : ≤0.035 chromium Cr: 17.00 ~ 19.00 Ni-Ni: 9.00 ~ 12.00 Titanium Ti: ≥5 × C% tensile mechanical properties and uses σb (MPa): ≥520 Conditions yield strength σ0.2 (MPa): ≥205 stretch Long rate δ5 (%): ≥40 section shrinkage ψ (%): ≥50 Hardness: ≤187HB; ≤90HRB; ≤200HV heat treatment and microstructure specifications: Heat treatment specifications: 1) solid solution 920 ~ 1150 ℃ rapid cooling; 2) According to the requirements may be stabilizing treatment, heat treatment temperature is 850 ~ 930 ℃, but it must be specified in the contract. Microstructure: Organizing for the austenitic type. Delivery status: generally heat treatment delivery, the treatment types specified in the contract; not indicated, by not heat treatment delivery.