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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | GH4037 | GBT | China |
Chemical composition%of the ladle analysis of gradeGH4037
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Al(%) | Ti(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
0.03-0.10 | 0.4 | 0.5 | 0.015 | 0.01 | 13.0-16.0 | Balance | 2.00-4.00 | 5.00-7.00 | 1.70-2.30 | 1.80-2.30 | B≤0.02,Ce≤0.02,V0.10-0.50 |
Proof strength Rp0.2(MPa) | Tensile strength Rm(MPa) | Impact energy KV(J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness(HBW) |
---|---|---|---|---|---|---|
491(≥) | 134(≥) | 14 | 24 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 122 |
Property | Density kg/dm3 | Temperature T °C/F | Specific heat J/kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate |
---|---|---|---|---|---|---|---|
394(≥) | 199(≥) | 22 | 24 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 132 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
352 | 481 | 173 |
Product type | Products | Dimension | Processes | Deliver Status |
---|---|---|---|---|
Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
Grade | Standard | Country | Application |
---|---|---|---|
GH4037 | GBT | China | Classification and designation for superalloys and high temperature intermetallic materials |