China GB GB 13296 (2007), GB 4238 (1992), GB/T 1220 (1992), GB/T 1221 (1992), GB/T 12770 (2002), GB/T 12771 (2000), GB/T 14976 (2002), GB/T 3280 (2007), GB/T 4226 (2004), GB/T 4237 (1992), GB/T 4239 (1991), GB/T 4240 (1993), GB/T 4356 (2002), JB/T 6398 (2006), 0Cr25Ni20 Specialsteel Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 0Cr25Ni20 | Austenite | GB | China | Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel |
C | Si | Mn | P | S | Ni | Cr |
---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 19.00 -22.00 | 24.00 -26.00 |
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) |
---|---|---|---|---|---|---|
295 (≥) | 348 (≥) | 33 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.41 | - | |||
351 | 677 | - | 13.3 | 424 | - | ||
243 | - | 41 | 21.2 | 332 | 344 |
Heat treated : 1419°C - 1388°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 1220 (1992) | Stainless steel bars | GB-T-1220-(1992).pdf |
GB/T 1221 (1992) | Heat-resisting steel bars | GB-T-1221-(1992).pdf |
GB/T 12770 (2002) | Welded stainless steel tubes for machine structures | GB-T-12770-(2002).pdf |
GB/T 12771 (2000) | Welded stainless steel pipes for liquid delivery | GB-T-12771-(2000).pdf |
GB/T 14976 (2002) | Stainless steel seamless tubes for fluid transport | GB-T-14976-(2002).pdf |
GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates | GB-T-3280-(2007).pdf |
GB/T 4226 (2004) | Cold finished stainless steel bars | GB-T-4226-(2004).pdf |
GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates | GB-T-4237-(1992).pdf |
GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips | GB-T-4239-(1991).pdf |
GB/T 4240 (1993) | Stainless steel wires | GB-T-4240-(1993).pdf |
GB/T 4356 (2002) | Stainless steel wire rods | GB-T-4356-(2002).pdf |
JB/T 6398 (2006) | Heavy stainless acid resistant and heat resistant steel forgings | JB-T-6398-(2006).pdf |
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