JIS G3 Enquiry | Print this page
- Category
- Type
- Steel grade
- Standard
- Country
- USE
Chemical composition % of the ladle analysis of grade G3
| 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) |
|---|---|---|---|---|---|---|
| 143 (≥) | 292 (≥) | 33 | 22 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 111 |
| 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 |
|---|---|---|---|---|---|---|---|
| 167 (≥) | 377 (≥) | 42 | 12 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 361 | 174 | 371 |
| 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 | Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate |
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| G3500 | Used in the products of the automobile, truck, tractor, and allied industries |
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| G3500b | Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box |
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| G3500c | Used in the products of the automobile, truck, tractor, and allied industries |
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| G31410 | Steel for intake valves |
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| G31400 | Steel for intake valves |