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Description

China GBT HGH648 Super alloy welding wire and HGH648 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: HGH648
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HGH648 GBT China Super alloy welding wire
HGH3113
HGH3128
HGH3367
HGH132
HGH135
HGH33
HGH145
HGH169
HGH356
HGH642

Chemical composition(mass fraction)(wt.%) of the HGH648

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
≤0.10 0.40 0.50 0.015 0.010 32.00-35.00 Bal 2.30-3.30 4.30-5.30 ≤0.008 0.50-1.10 0.50-1.10 0.50-1.10 ≤4.00

Mechanical Properties of steel grade HGH648

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)
788 (≥) 336 (≥) 41 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade HGH648

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
31 - -     0.33 -  
248 517 - 34.3 332   -  
438 - 43 31.2   431 133

Heat Treatment of steel grade HGH648

Heat treated : 1875°C - 1992°C

Technological Curves of steel grade HGH648

Cross Reference Table (Equivalent Grade) of HGH648

Grade Standard Country Application
HGH648 GBT China Super alloy welding wire

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