1Cr18Mn8Ni5N Stainless Steels to GB/T 1220 (1992)

1Cr18Mn8Ni5N - Specification & Application

  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 3280 (1992) - Cold rolled stainless steel sheets and plates
  • GB/T 4237 (1992) - Hot rolled stainless steel sheets and plates
  • GB/T 4239 (1991) - Cold rolled stainless steel and heat resisting steel strips
  • GB/T 4356 (2002) - Stainless steel wire rods

Nickel steel, instead of 1cr18ni9

Chemical composition(wt.%) of 1Cr18Mn8Ni5N grade: to GB/T 1220 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn 7.50 10.00
P - 0.060
S - 0.030
Ni 4.00 6.00
Cr 17.00 19.00
N - 0.25

1Cr18Mn8Ni5N - Detail

Stainless and heat resisting steels
Austenitic stainless steel. Grade 1Cr18Mn8Ni5N was replaced by new designation 12Cr18Mn9Ni5N according to GB/T 20878 (2007)

Mechanical properties of grade 1Cr18Mn8Ni5N GB/T 1220 (1992)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
611 (≥) 645 (≥) 24 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical properties of grade 1Cr18Mn8Ni5N GB/T 1220 (1992)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
684 (≥) 171 (≥) 11 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
829 235 929

Equivalent Grade

Equivalent Products

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