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 GradesSpecial Alloy ICI 4340 AISI USA
ASTM 5N
ASTM 6N
ICI 4020
ASTM 7Q
ICI 4130
ICI 4140
ASTM 8Q
ICI 4330
ASTM 9Q
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.
The material does not have direct Metallography properties.
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

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
ICI 4340 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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