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664.3

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GMoCr-14 G637.40
#664 #3

Description

Czech Republic CSN 664.3 The Czech republic Structural steel and 664.3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 664.3
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 664.3 CSN Czech Republic The Czech republic Structural steel
05 5393
05 5394
05 5395
05 5397
C38
G42
GMo-3
GMo-4
GMoCr-10
GMoCr-14

Chemical composition(mass fraction)(wt.%) of the 664.3

C(％) Si(％) Mn(％) Cr(％)
3.00-4.50 0.30-0.70 0.30-0.70 26.0-31.0

Mechanical Properties of steel grade 664.3

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)
197 (≥) 347 (≥) 34 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade 664.3

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
41 - -     0.42 -  
964 285 - 31.3 342   -  
814 - 13 14.2   411 431

Heat Treatment of steel grade 664.3

Heat treated : 1585°C - 1254°C

Technological Curves of steel grade 664.3

Cross Reference Table (Equivalent Grade) of 664.3

Grade Standard Country Application
AISI 664 AISI USA precipitation hardening
664.3 CSN Czech Republic The Czech republic Structural steel
416640 CSN Czech Republic The Czech republic Structural steel
16640 CSN Czech Republic The Czech republic Structural steel
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
T13 China Carbon tool steel
5Cr3Mn1SiMo1V China Alloy tool steel - Impact resistance tool steel
3Cr2W8V China Alloy tool steel - hot-work die steel
5Cr4Mo3SiMnVA1 China Alloy tool steel - hot-work die steel
GMoCr-14 G637.40
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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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