3Cr13 Stainless Steels to GB 2270 (1980)

3Cr13 - Specification & Application

  • GB 2270 (1980) - Seamless tubes
  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates
  • GB/T 4226 (2004) - Cold finished stainless steel bars
  • GB/T 4231 (1993) - Cold rolled stainless steel strips for springs
  • 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 4240 (1993) - Stainless steel wires
  • GB/T 4356 (2002) - Stainless steel wire rods
  • JB/T 6398 (2006) - Heavy stainless acid resistant and heat resistant steel forgings

Cold rolled stainless steel sheets and plates

Chemical composition(wt.%) of 3Cr13 grade: to GB 2270 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.26 0.35
Si - 1.00
Mn - 1.00
P - 0.035
S - 0.030
Ni - 0.60
Cr 12.00 14.00

3Cr13 - Detail

3Cr13

Mechanical properties of grade 3Cr13 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)
172 (≥) 756 (≥) 21 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical properties of grade 3Cr13 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
495 (≥) 235 (≥) 23 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
876 415 729

Equivalent Products

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