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GX4NiCtCuMo30-20-4

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GX4CrNiMo16-5-2 GX5CrNi19-10

Description

Spain UNE GX4NiCtCuMo30-20-4 Spain structural alloy steel and GX4NiCtCuMo30-20-4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: GX4NiCtCuMo30-20-4
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel GX4NiCtCuMo30-20-4 UNE Spain Spain structural alloy steel
GX2CrNiMoN25-7-3
GX2CrNiMoN26-7-4
GX2NiCrMo28-20-2
GX2 N iCrMoCuN25-20-6
GX2NiCfMoCuN29-25-5
GX2NiCrMoN25-20-5
GX2NiCrMoCu25-20-5
CX4CrNi13-4
GX4CrNiMo16-5-1
GX4CrNiMo16-5-2

Chemical composition(mass fraction)(wt.%) of the GX4NiCtCuMo30-20-4

C(％) Si(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.06 1.50 0.040 0.030 19.0-22.0 27.5-30.5 2.00-3.00 3.00-4.00

Mechanical Properties of steel grade GX4NiCtCuMo30-20-4

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)
679 (≥) 222 (≥) 11 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade GX4NiCtCuMo30-20-4

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
33 - -     0.43 -  
929 644 - 42.3 224   -  
439 - 44 14.2   412 131

Heat Treatment of steel grade GX4NiCtCuMo30-20-4

Heat treated : 1611°C - 1588°C

Technological Curves of steel grade GX4NiCtCuMo30-20-4

Cross Reference Table (Equivalent Grade) of GX4NiCtCuMo30-20-4

Grade Standard Country Application
Q195 GBT China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 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 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
GX4CrNiMo16-5-2 GX5CrNi19-10
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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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