2Cr13 Stainless Steels to GB 2270 (1980)

2Cr13 - Specification & Application

  • GB 2270 (1980) - Seamless tubes
  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 1221 (1992) - Heat-resisting steel bars
  • GB/T 14975 (2002) - Stainless steel seamless tubes for structures
  • GB/T 3280 (2007) - Cold rolled stainless steel sheets and plates
  • GB/T 4226 (2004) - Cold finished stainless steel bars
  • 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
  • GB/T 8732 (2004) - Steels of blade for steam turbine
  • JB/T 6398 (2006) - Heavy stainless acid resistant and heat resistant steel forgings

Heat-resisting steel bars

Chemical composition(wt.%) of 2Cr13 grade: to GB 2270 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.16 0.25
Si - 1.00
Mn - 1.00
P - 0.035
S - 0.030
Ni - 0.60
Cr 12.00 14.00

2Cr13 - Detail

2Cr13

Mechanical properties of grade 2Cr13 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)
239 (≥) 754 (≥) 24 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade 2Cr13 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
885 (≥) 677 (≥) 14 21 41 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
234 345 694

Equivalent Products

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