ICI 4020
USA AISI ICI 4020 and ICI 4020 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | ICI 4020 | AISI | USA | |
| ASTM 1A | |||||
| ASTM 2A,2Q | |||||
| ICI 1030 | |||||
| ASTM 3A,3Q | |||||
| ICI 1040 | |||||
| ICI 1050 | |||||
| ASTM 4A,4Q | |||||
| ICI 6120 | |||||
| ASTM 5N | |||||
| ASTM 6N |
Chemical composition(mass fraction)(wt.%) of the ICI 4020
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | Cu(%) |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.35 | 0.20-0.80 | 1.35-1.75 | Max 0.040 | Max 0.045 | Max 0.35 | Max 0.50 | 0.25-0.55 | Max 0.25 | Max 0.50 |
Mechanical Properties of steel grade ICI 4020
| 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) |
|---|---|---|---|---|---|---|
| 584 (≥) | 791 (≥) | 14 | 31 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
Physical Properties of steel grade ICI 4020
| 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 | – | |||
| 883 | 117 | – | 11.3 | 321 | – | ||
| 484 | – | 32 | 32.2 | 414 | 423 |
Heat Treatment of steel grade ICI 4020
Heat treated : 1766°C – 1613°C
Technological Curves of steel grade ICI 4020
No Curve
Cross Reference Table (Equivalent Grade) of ICI 4020
| Grade | Standard | Country | Application |
|---|---|---|---|
| ICI 1020 | AISI | USA | |
| ICI 1030 | AISI | USA | |
| ICI 1040 | AISI | USA | |
| ICI 1050 | AISI | USA | |
| ICI 6120 | AISI | USA | |
| ICI 4020 | AISI | USA | |
| ICI 4130 | AISI | USA | |
| ICI 4140 | AISI | USA | |
| ICI 4330 | AISI | USA | |
| ICI 4340 | AISI | USA | |
| ICI 4620 | AISI | USA | |
| ICI 6150 | AISI | USA | |
| ICI 8620 | AISI | USA | |
| ICI 8630 | AISI | USA | |
| ICI 52100 | AISI | USA | |
| OTA10TiMoNiCil70 | STAS/SR | Romania | Cast Steel |
| Q195 | GBT | China | Engineering and welding |
| Q215 | China | Engineering and welding | |
| Q215 B | China | Engineering and welding | |
| Q235 | China | Engineering and welding |