1Cr18Ni9Si3 Stainless Steels to GB 4238 (1992)

1Cr18Ni9Si3 - Specification & Application

  • GB 4238 (1992) - Heat-resisting steel sheets and plates
  • GB/T 3280 (2007) - 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

Cold rolled steel sheet

Chemical composition(wt.%) of 1Cr18Ni9Si3 grade: to GB 4238 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
S 2.00 3.00
Mn - 2.00
P - 0.035
S - 0.030
Ni 8.00 10.00
Cr 17.00 19.00

1Cr18Ni9Si3 - Detail

Cold rolled steel sheet Cold rolled steel sheet

Mechanical properties of grade 1Cr18Ni9Si3 GB 4238 (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)
712 (≥) 961 (≥) 41 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical properties of grade 1Cr18Ni9Si3 GB 4238 (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
926 (≥) 386 (≥) 34 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
371 577 836
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