Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | 0.15 | ||
| Si | - | 0.75 | ||
| Mn | 1.00 | 2.00 | ||
| P | - | - | ||
| S | - | 0.03 | ||
| Ni | 8.50 | 10.50 | ||
| Cr | 27.00 | 31.00 | ||
| Al | - | - | ||
| Cu | - | 0.50 | ||
| Ti | - | - | ||
| Fe | - | - | ||
| N | - | - | ||
| Mo | - | 0.50 |
Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
| 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) |
|---|---|---|---|---|---|---|
| 464 (≥) | 317 (≥) | 42 | 43 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 622 (≥) | 674 (≥) | 31 | 22 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 249 | 852 | 611 |
We can customize the production of SA-29 Grade 9255 grade, contact us for the best solution.
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