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Description

China GBT JG4246A Superalloys and high temperature intermetallic materials and JG4246A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: JG4246A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy JG4246A GBT China Superalloys and high temperature intermetallic materials
JG1102
JG1201
JG1202
JG1203
JG1204
JG1301
JG1302
JG4006
JG4006A
JG4246

Chemical composition(mass fraction)(wt.%) of the JG4246A

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Pb(%) B(%) Al(%) Ti(%) Sb(%) As(%) Sn(%) Fe(%)
0.06-0.20 1.00 0.50 0.020 0.015 7.40-8.20 Bal 3.50-4.50 1.70-2.30 0.0010 0.010-0.050 7.60-8.50 0.60-1.20 0.001 0.005 0.002 ≤2.00

Mechanical Properties of steel grade JG4246A

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)
436 (≥) 755 (≥) 44 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade JG4246A

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
23 - -     0.11 -  
998 195 - 24.3 122   -  
763 - 13 24.2   413 322

Heat Treatment of steel grade JG4246A

Heat treated : 1394°C - 1513°C

Technological Curves of steel grade JG4246A

Cross Reference Table (Equivalent Grade) of JG4246A

Grade Standard Country Application
JG4246A GBT China Superalloys and high temperature intermetallic materials

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