2Cr23Ni13 Stainless Steels to GB 13296 (2007)

2Cr23Ni13 - Specification & Application

  • GB 13296 (2007) - Seamless stainless steel tubes for boiler and heat exchanger
  • GB 4238 (1992) - Heat-resisting steel sheets and plates
  • GB/T 1221 (1992) - Heat-resisting steel bars

Seamless stainless steel tubes for boiler and heat exchanger

Chemical composition(wt.%) of 2Cr23Ni13 grade: to GB 13296 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 2.00
P - 0.35
S - 0.03
Ni 12.00 15.00
Cr 20.00 24.00

2Cr23Ni13 - Detail

2Cr23Ni13

Mechanical properties of grade 2Cr23Ni13 GB 13296 (2007)

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)
937 (≥) 613 (≥) 33 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade 2Cr23Ni13 GB 13296 (2007)

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
413 (≥) 544 (≥) 44 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
698 989 696

Equivalent Grade

Equivalent Products

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