Category
ICI 4340
This page provides ICI 4340 datasheet, ICI 4340 mechanical properties, chemical element ICI 4340, technical specifications of ICI 4340 steel material properties. ICI 4340 performance specifications.
AISI ICI 4340
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | ICI 4340 | AISI | USA | |
| ASTM 5N |
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| ASTM 6N |
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| ICI 4020 |
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| ASTM 7Q |
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| ICI 4130 |
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| ICI 4140 |
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| ASTM 8Q |
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| ICI 4330 |
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| ASTM 9Q |
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| ASTM 10Q |
Datasheet for:Steel Grades:Special Alloy:ICI 4340
Chemical composition(mass fraction)(wt.%) of the ICI 4340
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | Cu(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.35-0.45 | 0.20-0.80 | 0.70-1.00 | Max 0.04 | Max 0.045 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | Max 0.10 | Max 0.50 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade ICI 4340
| 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) |
|---|---|---|---|---|---|---|
| 182 (≥) | 453 (≥) | 11 | 14 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.11 | - | |||
| 869 | 851 | - | 22.3 | 122 | - | ||
| 877 | - | 44 | 14.2 | 224 | 214 |
Heat treated : 1713°C - 1987°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
| 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 |
ICI 4340
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