1Cr18Ni11SiA1Ti Stainless Steels to GB/T 1220 (1992)

1Cr18Ni11SiA1Ti - Specification & Application

  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates

Stainless steel bars

Chemical composition(wt.%) of 1Cr18Ni11SiA1Ti grade: to GB/T 1220 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10 0.18
Si 3.40 4.00
Mn - 0.80
P - 0.035
S - 0.030
Ni 10.00 12.00
Cr 17.50 19.50
Al 0.10 0.30
Ti 0.40 0.70

1Cr18Ni11SiA1Ti - Detail

1Cr18Ni11SiA1Ti

Mechanical properties of grade 1Cr18Ni11SiA1Ti 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)
739 (≥) 395 (≥) 42 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade 1Cr18Ni11SiA1Ti 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
525 (≥) 121 (≥) 31 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
436 218 932

Equivalent Products

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