JIS G3Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | G3 | JIS | Japan |
Chemical composition%of the ladle analysis of gradeG3
| W(%) | Other(%) |
|---|---|
| 88 | Co+Ni:12 |
Hardness quartile HRA:90.5
Bending strength frequency/MPa:1750
| 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) |
|---|---|---|---|---|---|---|
| 674(≥) | 815(≥) | 33 | 23 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 311 |
| 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 |
|---|---|---|---|---|---|---|---|
| 251(≥) | 874(≥) | 21 | 43 | 24 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 344 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 649 | 546 | 211 |
| 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 |
|---|---|---|---|
| G3000 | JIS | Japan | Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate |
| G3500 | JIS | Japan | Used in the products of the automobile, truck, tractor, and allied industries |
| G3500b | JIS | Japan | Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box |
| G3500c | JIS | Japan | Used in the products of the automobile, truck, tractor, and allied industries |
| G31410 | JIS | Japan | Steel for intake valves |
| G31400 | JIS | Japan | Steel for intake valves |