AWS EM2 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Mould Steel | AWS EM2 | |||
| EF2 |
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| UNS K21450 |
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| EF3 |
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| UNS K21485 |
|||||
| EF4 |
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| UNS K12048 |
|||||
| EF5 |
|||||
| UNS K41370 |
|||||
| EF6 |
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| UNS K21135 |
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.1 | 0.2-0.6 | 1.25-1.8 | 0.01 | 0.015 | ≤0.3 | 1.4-2.1 |
| Mo | Al | Cu | Zr | Ti | V | Ce |
| 0.25-0.55 | ≤0.1 | ≤0.25 | ≤0.1 | ≤0.1 | ≤0.05 | |
| N | Co | Pb | B | Other | ||
| 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) |
|---|---|---|---|---|---|---|
| 145 (≥) | 321 (≥) | 34 | 41 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
| 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.41 | - | |||
| 127 | 812 | - | 12.3 | 341 | - | ||
| 454 | - | 43 | 22.2 | 432 | 311 |
Heat treated : 1142°C - 1999°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 |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
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