UK B.S. BS 2T 68, 2T.68 Specialsteel Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 2T.68 | B.S. | UK | Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable) |
C | Si | Mn | P | S | Cr | Ni | Mo | Nb |
---|---|---|---|---|---|---|---|---|
≤0.08 | 0.20 -1.00 | 0.50 -2.00 | ≤0.035 | ≤0.025 | 17.00 -19.00 | 9.00 -12.00 | ≤ ≥ | 10×C -1.00 |
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) |
---|---|---|---|---|---|---|
475 (≥) | 247 (≥) | 11 | 22 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
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 | - | - | 0.33 | - | |||
144 | 585 | - | 11.3 | 341 | - | ||
663 | - | 31 | 32.2 | 434 | 433 |
Heat treated : 1338°C - 1229°C
BS 2T 68 | Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable) | BS-2T-68.pdf |
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