Standard Specification for Free-Machining Stainless Steel Bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | 5.00 | 6.50 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | 0.18 | 0.35 | ||
| Cr | 16.00 | 18.00 | ||
| Ni | 5.00 | 6.00 | ||
| Mo | - | 0.50 | ||
| Cu | 1.75 | 2.25 |
Standard Specification for Free-Machining Stainless Steel Bars
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 292 (≥) | 398 (≥) | 31 | 13 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 377 (≥) | 248 (≥) | 23 | 11 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 945 | 896 | 367 |
We can customize the production of A 582 S20300 grade, contact us for the best solution.
–sales@specificsteel.com