1Cr18Mn8Ni5N

Standard: GB / T 1220-1992

● Features and application:

1Cr18Mn8Ni5N stainless steel, nickel-metal steel, instead of grades 1Cr18Ni9.

● Chemical Composition:

        Carbon C: ≤ 0.15

Si Si: ≤ 1.00

Manganese Mn: 7.50 ~ 10.00

Sulfur S: ≤ 0.030

  Phosphorus P: ≤ 0.060

  Chromium Cr: 17.00 ~ 19.00

  Ni-Ni: 4.00 ~ 6.00

  N N: ≤ 0.25

● Mechanical Properties:

Tensile strength σb (MPa): ≥ 520

Conditions yield strength σ0.2 (MPa): ≥ 275

Elongation δ5 (%): ≥ 40

Reduction of area ψ (%): ≥ 45

Hardness: ≤ 207HB; ≤ 95HRB; ≤ 218HV

● Heat treatment and microstructure specifications:

Standard heat treatment: solution 1010 ~ 1120 ℃ fast-cooling.

Microstructure: Organizing for the austenitic type.

● Delivery status: normal to heat treatment delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery.