UK B.S. BS 2S 137, 2S.143 Specialsteel Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 2S.143 | B.S. | UK | Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) |
C | Si | Mn | P | S | Cr | Ni | Mo | Nb | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.07 | ≤0.60 | ≤1.00 | ≤0.035 | ≤0.025 | 13.20 -14.70 | 5.00 -5.80 | 1.20 -2.00 | 0.10 -0.40 | 1.20 -2.00 |
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) |
---|---|---|---|---|---|---|
428 (≥) | 549 (≥) | 34 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.14 | - | |||
577 | 127 | - | 32.3 | 244 | - | ||
196 | - | 41 | 22.2 | 441 | 422 |
Heat treated : 1343°C - 1978°C
BS 2S 137 | Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) | BS-2S-137.pdf |
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