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.
Category | Type | Steel Grade | Standard | Country | Application |
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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 |
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 |
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14 | - | - | 0.11 | - | |||
869 | 851 | - | 22.3 | 122 | - | ||
877 | - | 44 | 14.2 | 224 | 214 |
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 |
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