455 Stainless Steel Equivalent Grade
GB-T: Number: S51290, New: 022Cr13Ni8Mo3Al, Old: One,
American standard: ASTMA: s45500, SAE: 1, UNS: xm-16,
Chemical composition:
Carbon C: ≤ 0.030,
Silicon Si: ≤ 0.50,
Manganese Mn: ≤ 0.50,
Phosphorus P: ≤ 0.040,
Sulfur S: ≤ 0.030,
Chromium Cr: 11.00~12.50,
Nickel: 7.50-9.50,
Molybdenum Mo: ≤ 0.5,
Nitrogen N: -,
Copper Cu: 1.50-2.50,
Other elements: Ti: 0.80-1.40, Nb: 0.10-0.50.
Physical performance:
Density (20 ℃)/kg/dm3:7.78,
Melting point/℃: 1400~1440,
Specific heat capacity (0-100 ℃)/kg/(kg. k): 0.46,
Thermal conductivity/w/(m.k) 100 ℃ -: 17.2,
Thermal conductivity/w/(m.k) 500 ℃ -: 23,
Linear expansion coefficient/(10-6/k) 0-100 ℃: 10.6,
Linear expansion coefficient/(10-6/k) 0-627 ℃: 12,
Resistivity (20 ℃)/(Ω. mm2/m): 0.9,
Longitudinal elastic modulus (20 ℃)/GPa: 199, 10 magnetism: yes.
Mechanical properties:
Delivery status: bar solid solution treatment, plate solid solution pickling,
Tensile strength (RM/MPa): 1205,
Elongation strength (Rp0.2/MPa): 1105,
Elongation A/%: 3,
Reduction of area (Z/%): -.
Heat treatment:
Heat treatment specification: solid solution fast cooling at 1010~1150 ℃.
The organizational feature is a martensitic type.
Delivery status: Generally delivered in a heat treated state, with the type of heat treatment specified in the contract; Unspecified items shall be delivered in a non heat treated state
