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HGH68

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HGH40 HGH131
#HGH68

Description

China GBT HGH68 Super alloy welding wire and HGH68 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: HGH68
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HGH68 GBT China Super alloy welding wire
HGH1040
HGH1068
HGH1131
HGH1139
HGH1140
HGH2036
HGH2038
HGH2042
HGH35
HGH40

Chemical composition(mass fraction)(wt.%) of the HGH68

C(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Cu(%) Fe(%)
≤0.10 ≤0.020 ≤0.20 5.00-6.00 14.00-16.00 21.00-23.00 2.00-3.00 7.00-8.00 0.010 Bal

Mechanical Properties of steel grade HGH68

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)
755 (≥) 991 (≥) 44 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade HGH68

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
44 - -     0.31 -  
175 534 - 11.3 333   -  
228 - 42 42.2   443 434

Heat Treatment of steel grade HGH68

Heat treated : 1932°C - 1837°C

Technological Curves of steel grade HGH68

Cross Reference Table (Equivalent Grade) of HGH68

Grade Standard Country Application
HGH68 GBT China Super alloy welding wire
HGH40 HGH131
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Jiangyou Longhai Special Steel Co.,Ltd.
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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