SS 1550
SS SS 1550 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Carbon Steel | SS 1550 | SS | ||
| UNI 9 SMn23 | |||||
| UNI 9 SMnPb 23 | |||||
| UNI C 20 | |||||
| UNI C 35 | |||||
| UNI C 60 | |||||
| UNI CB 10 FU | |||||
| UNI CB 35 | |||||
| UNI G 22 Mn 3 | |||||
| SS 1370 | |||||
| SS 1450 |
Chemical composition(mass fraction)(wt.%) of the SS 1550
| Element | Weight % |
| C | 0.32-0.38 |
| Mn | 0.60-0.90 |
| P | 0.04 (max) |
| S | 0.05 (max) |
Mechanical Properties of steel grade SS 1550
| 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) |
|---|---|---|---|---|---|---|
| 311 (≥) | 235 (≥) | 43 | 21 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
Physical Properties of steel grade SS 1550
| 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 |
|---|---|---|---|---|---|---|---|
| 13 | – | – | 0.32 | – | |||
| 196 | 794 | – | 14.3 | 331 | – | ||
| 284 | – | 43 | 44.2 | 441 | 134 |
Heat Treatment of steel grade SS 1550
Heat treated : 1166°C – 1939°C
Technological Curves of steel grade SS 1550
No Curve
Cross Reference Table (Equivalent Grade) of SS 1550
| Grade | Standard | Country | Application |
|---|---|---|---|
| M3 Class1 | ASTM | USA | Molybdenum series High-speed tool steel |
| M3 Class2 | ASTM | USA | Molybdenum series High-speed tool steel |
| SS440 | JIS | Japan | SS440 |
| SS14:1770 | SS | Sweden | Carbide for cutting tools |
| SS14:1770 | SS | Sweden | Carbide for cutting tools |
| SS14:1778 | SS | Sweden | Carbide for cutting tools |
| SS14:1778 | SS | Sweden | Carbide for cutting tools |
| SS14:1880 | SS | Sweden | Carbide for cutting tools |
| SS14:1880 | SS | Sweden | Carbide for cutting tools |
| SS14:1885 | SS | Sweden | Carbide for cutting tools |
| SS14:1885 | SS | Sweden | Carbide for cutting tools |
| SS14:— | SS | Sweden | Carbide for cutting tools |
| SS14:— | SS | Sweden | Carbide for cutting tools |
| SS14:2140 | SS | Sweden | Carbide for cutting tools |
| SS14:2242 | SS | Sweden | Carbide for cutting tools |
| SS14:2242 | SS | Sweden | Carbide for cutting tools |
| SS14:2260 | SS | Sweden | Carbide for cutting tools |
| SS14:2260 | SS | Sweden | Carbide for cutting tools |
| SS14:2310 | SS | Sweden | Carbide for cutting tools |
| SS14:2310 | SS | Sweden | Carbide for cutting tools |