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ICI 4340

Favorite Datasheet
ASTM 10Q ASTM 11Q
#ICI # #4340

Description

USA AISI ICI 4340 and ICI 4340 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 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

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 of steel 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)
462 (≥) 256 (≥) 13 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade ICI 4340

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
43 - -     0.43 -  
243 259 - 24.3 422   -  
948 - 21 31.2   224 242

Heat Treatment of steel grade ICI 4340

Heat treated : 1914°C - 1176°C

Technological Curves of steel grade ICI 4340

Cross Reference Table (Equivalent Grade) of ICI 4340

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
ASTM 10Q ASTM 11Q
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Jiangyou Longhai Special Steel Co.,Ltd.

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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