USA SAE A 582/A 582M (2012), A 582 S44020 Specialsteel Standard Specification for Free-Machining Stainless Steel Bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 582 S44020 | Martensite | SAE | USA | Standard Specification for Free-Machining Stainless Steel Bars |
| C | Mn | Si | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| 0.95 -1.20 | ≤1.25 | ≤1.00 | ≤0.04 | 0.10 -0.35 | 16.00 -18.00 | ≤0.75 | ≤ ≥ | ≤0.08 |
| 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) |
|---|---|---|---|---|---|---|
| 452 (≥) | 193 (≥) | 42 | 43 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.32 | - | |||
| 357 | 134 | - | 23.3 | 413 | - | ||
| 578 | - | 41 | 41.2 | 111 | 231 |
Heat treated : 1554°C - 1677°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Type440F | |||
| S44020 | |||
| S44020 | |||
| UNS S44020 | |||
| S44020 |
| A 582/A 582M (2012) | Standard Specification for Free-Machining Stainless Steel Bars | A-582-A-582M-(2012).pdf |
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