UK B.S. BS 6323-8, LW12 Specialsteel Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | LW12 | B.S. | UK | Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes |
C | Si | Mn | P | S | Cr | Ni | Mo | Ti | N |
---|---|---|---|---|---|---|---|---|---|
≤0.06 | ≤0.90 | ≤0.60 | ≤0.040 | ≤0.020 | 11.00 -13.00 | ≤0.50 | ≤ ≥ | ≤0.70 | ≤0.025 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
834 (≥) | 121 (≥) | 24 | 31 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
33 | - | - | 0.44 | - | |||
727 | 646 | - | 12.3 | 411 | - | ||
845 | - | 24 | 42.2 | 441 | 343 |
Heat treated : 1835°C - 1334°C
BS 6323-8 | Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes | BS-6323-8.pdf |
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