Standard: | DIN, JIS, AISI, ASTM, GB, BS |
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Technics: | Cold Drawn |
Application: | Structural Steel Bar |
Surface: | Black |
Alloy: | Non-alloy |
Special Use: | High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel |
Samples: |
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Customization: |
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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) |
---|---|---|---|---|---|---|
877 (≥) | 259 (≥) | 24 | 22 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.21 | - | |||
871 | 614 | - | 32.3 | 432 | - | ||
791 | - | 11 | 24.2 | 241 | 134 |
mill finish (not polished)
brushed
mirror
embossed
oxidized
cold-rolled
hot-rolled
3.[Constructional steel 20CrMo5 1.7264 ECMo100 bar& rod] Chemistry:
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.18-0.23 | 0.15-0.35 | 0.90-1.20 | 0.035 | 0.035 | 1.10-1.40 | |
Mo | Al | Cu | Nb | Ti | V | Ce |
0.20-0.30 | ||||||
N | Co | Pb | B | Other |
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