UNI 9 SMnPb 23
UNI 9 SMnPb 23 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Carbon Steel | UNI 9 SMnPb 23 | |||
| FCDA-NiMn23-4 | |||||
| FCDA-NiCr30-1 | |||||
| FCDA-NiCr30-3 | |||||
| FCDA-NiSiCr30-5-2 | |||||
| FCDA-NiSiCr30-5-5 | |||||
| FCDA-Ni35 | |||||
| FCDA-NiCr35-3 | |||||
| FCDA-NiSiCr35-5-2 | |||||
| UNI 10 S 20 | |||||
| UNI 9 SMn23 |
Chemical composition(mass fraction)(wt.%) of the UNI 9 SMnPb 23
| Element | Weight % |
| C | 0.15 (max) |
| Mn | 0.85-1.15 |
| P | 0.04-0.09 |
| S | 0.26-0.35 |
| Pb | 0.15-0.35 |
Mechanical Properties of steel grade UNI 9 SMnPb 23
| 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) |
|---|---|---|---|---|---|---|
| 358 (≥) | 998 (≥) | 33 | 14 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
Physical Properties of steel grade UNI 9 SMnPb 23
| 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 | – | |||
| 969 | 944 | – | 23.3 | 442 | – | ||
| 311 | – | 21 | 42.2 | 234 | 424 |
Heat Treatment of steel grade UNI 9 SMnPb 23
Heat treated : 1664°C – 1764°C
Technological Curves of steel grade UNI 9 SMnPb 23
No Curve
Cross Reference Table (Equivalent Grade) of UNI 9 SMnPb 23
| Grade | Standard | Country | Application |
|---|---|---|---|
| UnitempAF2-1 | USA | Martensitic special steel | |
| UnitempHS | AISI | USA | Martensitic special steel |
| 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 |