Grade: 1Cr18Ni9 Standard: GB / T 1220-1992 Features and Scope: The cold has a high strength, elongation, but somewhat less than 1Cr17Ni7. Building decorative component. 2 Chemical composition Chemical Composition: Carbon C: ≤0.15 Si Si: ≤1.00 Mn Mn: ≤2.00 sulfur S: ≤0.030 phosphorus P: ≤0.035 chromium Cr: 17.00 ~ 19.00 Ni Ni: 8.00 ~ 10.00 1Cr18Ni9 1Cr18Ni9 3 Mechanical Properties Mechanical Properties : Tensile strength σb (MPa): ≥520 Conditions yield strength σ0.2 (MPa): ≥205 Elongation δ5 (%): ≥40 section shrinkage ψ (%): ≥60 Hardness: ≤187HB; ≤90HRB ; ≤200HV 1Cr18Ni9 1Cr18Ni9 stainless steel bar stainless steel rods 4 heat treatment process heat treatment and microstructure specifications: Heat Specifications: 1010 ~ 1150 ℃ rapid cooling. Microstructure: Organizing for the austenitic type.