Top Quality 321H Stainless steel From China Manufacturer

321H stainless steel is an kind of stainless steel with high corrosion resistance and Has excellent high temperature performance.

The application of 321H stainless steel: Boiler shell, heat exchanger, Silencer Parts for Diesel Engines, Boiler pressure vessel, Chemical vehicle, Expansion Joints, Spiral welded pipes for furnace pipes and dryers and so on.

chemical composition:

Carbon C: 0.04~0.10

Manganese Mn: ≤ 2.00

Silicon Si:≤0.75

Chrome Cr: 17.0 to 19.0

Nickel Ni2: 9~12.0

Phosphorus P: ≤ 0.045

Sulfur S: ≤ 0.03

Titanium Ti:4*(C+N)~0.70

Mechanical properties:

Tensile strength σb (MPa): ≥515

Conditional yield strength σ0.2 (MPa): ≥205

Elongation δ5 (%): ≥40

Hardness: ≤217HB;