Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.06 | ||
| Si | - | 0.90 | ||
| Mn | - | 0.60 | ||
| P | - | 0.040 | ||
| S | - | 0.020 | ||
| Cr | 11.00 | 13.00 | ||
| Ni | - | 0.50 | ||
| Mo | - | - | ||
| Ti | - | 0.70 | ||
| N | - | 0.025 |
Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes
| 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) |
|---|---|---|---|---|---|---|
| 386 (≥) | 231 (≥) | 23 | 43 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
| 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 |
|---|---|---|---|---|---|---|---|
| 912 (≥) | 881 (≥) | 12 | 41 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 262 | 681 | 688 |
We can customize the production of LW12 grade, contact us for the best solution.
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