SUS321 stainless steel Chemical Composition | |||||||
C | Si | Mn | S | P | Ni | Cr | Ti |
≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 9.00~12.00 | 17.00~19.00 | ≥5*C% |
SUS321 Stainless Steel Mechanical Performance:
Strength of extension σb(MPa):≥520
Offset yield strength σ0.2(Mpa):≥205
Elongation: δ5(%):≥40
Percentage reduction of area ψ(%):≥50
Hardness:≤187HB;≤90HB;≤200HV
SUS321 Stainless Steel Characteristics:
Add Ti to enhance intergranular corrosion resistance, not recommended as decorative components.
Corrosion Resistance：
SUS321, SUS347 and SUS348 are stainless steel with titanium, niobium and niobium stabilized, suitable for welding components used in high temperature.348 is a kind of stainless steel which is suitable for nuclear power industry, and has certain limitation on the amount of tantalum and drill.
Solid solution heat treatment specification: 1) 920 ~ 1150 ℃ cold quickly;2) stabilization processing according to buyer's request and heat treatment temperature of 850 ~ 850 ℃, but it must be noted in the contract.
Metallographic organization: the characteristic of the organization is austenite.
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