BS B.S. CDS 110 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Alloy Steel | B.S. CDS 110 | BS | ||
| B.S. 708 A 37 | |||||
| B.S. 708 A 42 | |||||
| B.S. 708 M 40 | |||||
| B.S. 709 A40 | |||||
| B.S. 709 M 40 | |||||
| B.S. 735 A 50 | |||||
| B.S. 805 A 20 | |||||
| B.S. 805 H 20 | |||||
| B.S. 805 M 20 | |||||
| B.S. 817 M 40 | 
| Element | Weight % | 
| C | 0.28-0.33 | 
| Mn | 0.40-0.60 | 
| P | 0.035 (max) | 
| S | 0.04 (max) | 
| Si | 0.15-0.30 | 
| Cr | 0.80-1.10 | 
| Mo | 0.15-0.25 | 
| 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) | 
|---|---|---|---|---|---|---|
| 636 (≥) | 966 (≥) | 42 | 42 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.11 | - | |||
| 927 | 994 | - | 24.3 | 221 | - | ||
| 967 | - | 43 | 34.2 | 333 | 332 | 
Heat treated : 1816°C - 1769°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| Q195 | China | Engineering and welding | |
| Q215 | China | Engineering and welding | |
| Q215 B | China | Engineering and welding | |
| Q235 | China | Engineering and welding | |
| Q235 B | China | Engineering and welding | |
| Q235 C | China | Engineering and welding | |
| Q235 D | China | Engineering and welding | |
| Q255 A | China | Engineering and welding | |
| Q255 B | China | Engineering and welding | |
| Q275 | China | Engineering and welding | |
| Q235q C | China | Bridge structure with steel | |
| Q235q D | China | Bridge structure with steel | |
| Q345q E | China | Bridge structure with steel | |
| Q345q C | China | Bridge structure with steel | |
| ASTM 1030 | ASTM | USA | General use carbon steel bar | 
| UNS G10300 | UNS | USA | General use carbon steel bar | 
| ASTM 1005 | ASTM | USA | General use carbon steel bar | 
| UNS G10050 | UNS | USA | General use carbon steel bar | 
| ASTM 1006 | ASTM | USA | General use carbon steel bar | 
| UNS G10060 | UNS | USA | General use carbon steel bar | 
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