UK B.S. BS 2S 131, 2S.131 Specialsteel Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 2S.131 | B.S. | UK | Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) |
C | Si | Mn | P | S | Cr | Ni | Mo | W | V |
---|---|---|---|---|---|---|---|---|---|
0.55 -0.70 | 0.20 -0.50 | 3.50 -5.50 | ≤0.035 | ≤0.025 | 3.00 -4.00 | 11.00 -14.00 | ≤0.50 | ≤1.00 | ≤0.25 |
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) |
---|---|---|---|---|---|---|
862 (≥) | 955 (≥) | 41 | 44 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
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 |
---|---|---|---|---|---|---|---|
31 | - | - | 0.14 | - | |||
774 | 572 | - | 42.3 | 332 | - | ||
618 | - | 43 | 34.2 | 133 | 231 |
Heat treated : 1929°C - 1959°C
BS 2S 131 | Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) | BS-2S-131.pdf |
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