Japan FED G 4303 (2005) , G 4308 (2007) , G 4309 (1999) , G 4318 (2007) , SUS 303Cu Specialsteel Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars". and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SUS 303Cu | Austenite | FED | Japan | Austenitic stainless steel; B (bars) can be suffixed to the symbol of the grade; Round bars, square bars, hexagonal bars and flat bars, hereafter generically reffered to as "bars". |
| C | Si | Mn | P | S | Cr | Ni | Cu | Se |
|---|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤1.00 | ≤2.00 | ≤0.15 | 0.10 - ≥ | 17.0 -19.0 | 6.00 -10.0 | 2.50 -4.00 | 0.10 - ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 923 (≥) | 996 (≥) | 22 | 32 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.14 | - | |||
| 824 | 698 | - | 21.3 | 431 | - | ||
| 256 | - | 34 | 31.2 | 142 | 232 |
Heat treated : 1233°C - 1137°C
| G 4303 (2005) | Stainless steel bars | G-4303--(2005)-.pdf |
| G 4308 (2007) | Stainless steel wire rods | G-4308--(2007)-.pdf |
| G 4309 (1999) | Stainless steel wires | G-4309--(1999)-.pdf |
| G 4318 (2007) | Cold finished stainless steel bars | G-4318--(2007)-.pdf |
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