China GB GB 13296 (2007) , GB 4238 (1992) , GB/T 1221 (1992) , 2Cr23Ni13 Specialsteel Seamless stainless steel tubes for boiler and heat exchanger and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 2Cr23Ni13 | Austenite | GB | China | Seamless stainless steel tubes for boiler and heat exchanger |
C | Si | Mn | P | S | Ni | Cr |
---|---|---|---|---|---|---|
≤0.20 | ≤1.00 | ≤2.00 | ≤0.35 | ≤0.03 | 12.00 -15.00 | 20.00 -24.00 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
615 (≥) | 345 (≥) | 32 | 33 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
42 | - | - | 0.23 | - | |||
518 | 742 | - | 43.3 | 114 | - | ||
785 | - | 41 | 22.2 | 344 | 211 |
Heat treated : 1212°C - 1914°C
GB 13296 (2007) | Seamless stainless steel tubes for boiler and heat exchanger | GB-13296--(2007)--.pdf |
GB 4238 (1992) | Heat-resisting steel sheets and plates | GB-4238--(1992)-.pdf |
GB/T 1221 (1992) | Heat-resisting steel bars | GB-T-1221--(1992)-.pdf |
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