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 | 0.20 | 1.00 | ||
| Mn | 0.50 | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.030 | ||
| Cr | 17.50 | 19.00 | ||
| Ni | 8.00 | 11.00 | ||
| Mo | - | - |
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) |
|---|---|---|---|---|---|---|
| 734 (≥) | 753 (≥) | 12 | 32 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
| 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 |
|---|---|---|---|---|---|---|---|
| 745 (≥) | 781 (≥) | 42 | 23 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 336 | 757 | 877 |
We can customize the production of LW15 grade, contact us for the best solution.
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