UK B.S. BS 1449-2, BS 1501-3, BS 1502, BS 1503, BS 1506, BS 1554, BS 3605-1, BS 3605-2, BS 3606, BS 6258, BS 970-1, BS 970-3, 304 S31 Specialsteel Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 304 S31 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
C | Si | Mn | P | S | Cr | Mo | Ni |
---|---|---|---|---|---|---|---|
≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.025 | 17.00 -19.00 | ≤ ≥ | 8.00 -11.00 |
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) |
---|---|---|---|---|---|---|
758 (≥) | 812 (≥) | 33 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.13 | - | |||
273 | 824 | - | 22.3 | 123 | - | ||
961 | - | 21 | 43.2 | 244 | 322 |
Heat treated : 1894°C - 1181°C
BS 1449-2 | Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip | BS-1449-2.pdf |
BS 1501-3 | Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip | BS-1501-3.pdf |
BS 1502 | Specification for steels for fired and unfired pressure vessels: sections and bars | BS-1502.pdf |
BS 1503 | Specification for steel forgings for pressure purposes | BS-1503.pdf |
BS 1506 | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications | BS-1506.pdf |
BS 1554 | Specification for stainless and heat-resisting steel round wire | BS-1554.pdf |
BS 3605-1 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes | BS-3605-1.pdf |
BS 3605-2 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes | BS-3605-2.pdf |
BS 3606 | Specification for steel tubes for heat exchangers | BS-3606.pdf |
BS 6258 | Specification for hollow steel bars for machining | BS-6258.pdf |
BS 970-1 | Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels | BS-970-1.pdf |
BS 970-3 | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes | BS-970-3.pdf |
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