Korea KS D 3731 (2002), STR11 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STR11 | Martensite | KS | Korea | Heat - resisting steel bars |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
0.45 -0.55 | ≤1.00 | ≤2.00 | ≤0.03 | ≤0.03 | 7.50 -9.50 | ≤0.60 | ≤ ≥ | ≤ ≥ | ≤0.30 |
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) |
---|---|---|---|---|---|---|
142 (≥) | 931 (≥) | 21 | 24 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
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 | - | - | 0.14 | - | |||
699 | 451 | - | 43.3 | 413 | - | ||
866 | - | 22 | 42.2 | 244 | 324 |
Heat treated : 1179°C - 1992°C
D 3731 (2002) | Heat - resisting steel bars | D-3731-(2002).pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com