Stainless steel bars
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | - | 1.0 | ||
| Mn | 7.5 | 10.0 | ||
| P | - | 0.05 | ||
| S | - | 0.03 | ||
| Cr | 17.0 | 19.0 | ||
| Ni | 4.0 | 6.0 | ||
| N | 0.05 | 0.25 |
GB/T 1220-2007 standard specifies the stainless steel rods order contents, classification, code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, logo and certificate of quality.This standard applies to the size is not more than 250 mm hot rolled and forged stainless steel rods.The supply and demand both sides talks things over, can also supply the size larger than 250 mm hot rolled and forged stainless steel rods.
| 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) |
|---|---|---|---|---|---|---|
| 666 (≥) | 191 (≥) | 44 | 32 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 577 (≥) | 654 (≥) | 11 | 33 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 392 | 867 | 762 |
We can customize the production of 12Cr18Mn9Ni5N grade, contact us for the best solution.
–sales@specificsteel.com