Standard Specification for Free-Machining Stainless Steel Bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.025 | ||
| Mn | - | 0.50 | ||
| Si | - | 1.00 | ||
| P | - | 0.03 | ||
| S | 0.15 | 0.35 | ||
| Cr | 17.50 | 18.50 | ||
| Ni | - | 1.00 | ||
| Mo | 2.00 | 2.50 | ||
| Ti | 0.30 | 1.00 | ||
| N | - | 0.025 |
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) |
|---|---|---|---|---|---|---|
| 978 (≥) | 447 (≥) | 22 | 11 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
| 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 |
|---|---|---|---|---|---|---|---|
| 821 (≥) | 773 (≥) | 14 | 14 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 374 | 145 | 447 |
We can customize the production of A 582 S18235 grade, contact us for the best solution.
–sales@specificsteel.com