China GB GB/T 1220 (1992) , GB/T 3280 (2007) , GB/T 4237 (1992) , GB/T 4240 (1993) , GB/T 4356 (2002) , JB/T 6398 (2006) , 4Cr13 Specialsteel Cold rolled stainless steel sheets and plates and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 4Cr13 | Martensite | GB | China | Cold rolled stainless steel sheets and plates | 
| C | Si | Mn | P | S | Ni | Cr | 
|---|---|---|---|---|---|---|
| 0.36 -0.45 | ≤0.60 | ≤0.80 | ≤0.035 | ≤0.030 | ≤0.60 | 12.00 -14.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 793 (≥) | 132 (≥) | 42 | 33 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.42 | - | |||
| 835 | 585 | - | 33.3 | 212 | - | ||
| 537 | - | 13 | 41.2 | 313 | 124 | 
Heat treated : 1727°C - 1131°C
| GB/T 1220 (1992) | Stainless steel bars | GB-T-1220--(1992)--.pdf | 
| GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates | GB-T-3280--(2007)-.pdf | 
| GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates | GB-T-4237--(1992)--.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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