ГОСТ у8-3 Enquiry | Print this page
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M78
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у8-3 - ГОСТ
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- Carbide for cutting tools
Chemical composition % of the ladle analysis of grade у8-3
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Cu(%) |
| 0.75-0.84 | 0.17-0.33 | 0.17-0.33 | ≤0.030 | ≤0.028 | 0.20-0.40 | ≤0.25 | 0.25 |
| 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) |
|---|---|---|---|---|---|---|
| 329 (≥) | 629 (≥) | 11 | 32 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
| 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 |
|---|---|---|---|---|---|---|---|
| 867 (≥) | 514 (≥) | 23 | 21 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 333 | 497 | 819 |
| 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 |
|---|---|---|---|
| A 240 S24000 | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
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| A 249 S24000 | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
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| A 269 S24000 | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
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| A 276 S24000 | Stainless Steel Bars and Shapes |
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| A 314 S24000 | Stainless Steel Billets and Bars for Forging |
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| A 580 S24000 | Stainless Steel Wire |
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| A 688 S24000 | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
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| A 814 S24000 | Cold-Worked Welded Austenitic Stainless Steel Pipe |
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| A 955 S24000 | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
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| S24000 | Austenitic Chromium Manganese Nickel Stainless Steel |
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| SA-240 S24000 | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
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| SA-688 S24000 | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
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| SA-813 S24000 | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
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| SA-814 S24000 | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |