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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | G2 | JIS | Japan |
Chemical composition%of the ladle analysis of gradeG2
W(%) | Other(%) |
---|---|
93 | Co+Ni:7 |
Hardness quartile HRA:90
Bending strength frequency/MPa:2000
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) |
---|---|---|---|---|---|---|
371(≥) | 494(≥) | 21 | 31 | 34 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 121 |
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 |
---|---|---|---|---|---|---|---|
557(≥) | 667(≥) | 12 | 11 | 41 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 113 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
983 | 764 | 259 |
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 |
---|---|---|---|
G2500 | JIS | Japan | Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum |
G2500a | JIS | Japan | Used in the products of the automobile, truck, tractor, and allied industries |