1Cr21Ni5Ti Stainless Steels to GB 2270 (1980)

1Cr21Ni5Ti - Specification & Application

  • GB 2270 (1980) - Seamless tubes
  • GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates

Cold rolled stainless steel sheets and plates

Chemical composition(wt.%) of 1Cr21Ni5Ti grade: to GB 2270 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.09 0.14
Si - 0.80
Mn - 0.80
P - 0.035
S - 0.030
Ni 4.80 5.80
Cr 20.00 22.00
Ti - 5x(C%-0.02)-0.80

1Cr21Ni5Ti - Detail

1Cr21Ni5Ti

Mechanical properties of grade 1Cr21Ni5Ti GB 2270 (1980)

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)
729 (≥) 129 (≥) 43 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade 1Cr21Ni5Ti GB 2270 (1980)

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
564 (≥) 213 (≥) 14 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
446 845 794

Equivalent Grade

Equivalent Products

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