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Element |
Minimum (%) |
Maximum (%) |
Carbon (C) |
- |
0.15 |
Silicon (Si) |
- |
0.50 |
Manganese (Mn) |
- |
1.80 |
Phosphorus (P) |
- |
0.025 |
Sulfur (S) |
- |
0.025 |
Iron (Fe) |
- |
96.25 |
Property |
Value |
Yield Strength (Rp0.2) |
≥ 854 MPa |
Impact (KV/Ku) |
12 J |
Tensile Strength (Rm) |
≥ 447 MPa |
Brinell Hardness (HBW) |
421 |
Elongation (A) |
43% |
Region |
Standard |
Grade |
EU |
EN |
S420MC (1.0980) |
France |
AFNOR |
E420D |
Japan |
JIS |
SPFH590 |
England |
BS |
HR50F45 |
Italy |
UNI |
Fe420TM |
USA |
ASTM |
Gr.60 |
Germany |
DIN |
QStE420TM |
Sweden |
SS |
2652 |
Property |
Value |
Modulus of Elasticity (GPa) |
327 |
Specific Thermal Capacity (J/kg·°C) |
211 |
Density (g/cm³) |
7.8 – 7.9 |
Property |
Value |
Coefficient of Thermal Expansion |
1.32E-5 – 1.38E-5 1/K |
Specific Heat Capacity |
465 J/(kg·K) |
Thermal Conductivity |
25 – 93 W/(m·K) |
Property |
Value |
Electrical Resistivity |
1.43E-7 – 1.74E-7 Ω·m |
Heat Treatment Type |
Temperature Range (°C) |
Annealing |
1198 – 1875 |
Quenching |
Yes |
Tempering |
Yes |
Normalizing |
Yes |
Q & T |
Yes |
Product Type |
Products |
Dimension |
Processes |
Deliver Status |
Plates / Sheets |
Plates / Sheets |
0.08-200mm(T)WL |
Forging, hot rolling, and cold rolling |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
Steel Bar |
Round Bar, Flat Bar, Square Bar |
Φ8-1200mm*L |
Forging, hot rolling, and cold rolling, Cast |
Black, Rough Turning, Shot Blasting |
Coil / Strip |
Steel Coil / Steel Strip |
0.03-16.0x1200mm |
Cold-Rolled & Hot-Rolled |
Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
Pipes / Tubes |
Seamless Pipes/Tubes, Welded Pipes/Tubes |
OD:6-219mm x WT:0.5-20.0mm |
Hot extrusion, Cold Drawn, Welded |
Annealed, Solution and Aging, Q+T, ACID-WASHED |
SPFH590 is used for automotive chassis and structural components due to its high strength and formability.
SPFH590 features high tensile strength, good formability, and excellent weldability.
SPFH590 conforms to the JIS G3134 standard for high-strength hot-rolled structural steel.
It offers high strength, good formability, and excellent weldability for automotive and structural applications.