Product Details
Stainless steel: SUS321
Features and Scope: Add Ti to improve resistance to intergranular corrosion, not recommended for decorative parts.
Chemical Composition: Carbon C: ≤ 0.08 ,Si Si: ≤ 1.00 ,Manganese Mn: ≤ 2.00 ,S S: ≤ 0.030 ,P P: ≤ 0.035 ,Chromium Cr: 17.00 ~ 19.00 ,Ni-Ni: 9.00 ~ 12.00 ,Ti Ti: ≥ 5 × C%
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:
Heat Treatment Specification:
1) 920 ~ 1150 ℃ solution faster cooling;
2) According to the demand side requirements can be stabilized, heat treatment temperature is 850 ~ 930 ℃, but it must be specified in the contract.
Microstructure: Organizing for the austenitic type.