ГОСТ у8-3Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | у8-3 | ГОСТ | Russia |
Chemical composition%of the ladle analysis of gradeу8-3
| 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) |
|---|---|---|---|---|---|---|
| 776(≥) | 389(≥) | 12 | 31 | 24 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 134 |
| 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 |
|---|---|---|---|---|---|---|---|
| 571(≥) | 436(≥) | 33 | 42 | 32 | 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 | |||||
| 744 | 315 | 336 |
| 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 | ГОСТ | Russia | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S24000 | ГОСТ | Russia | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S24000 | ГОСТ | Russia | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S24000 | ГОСТ | Russia | Stainless Steel Bars and Shapes |
| A 314 S24000 | ГОСТ | Russia | Stainless Steel Billets and Bars for Forging |
| A 580 S24000 | ГОСТ | Russia | Stainless Steel Wire |
| A 688 S24000 | ГОСТ | Russia | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 814 S24000 | ГОСТ | Russia | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 955 S24000 | ГОСТ | Russia | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
| S24000 | ГОСТ | Russia | Austenitic Chromium Manganese Nickel Stainless Steel |
| SA-240 S24000 | ГОСТ | Russia | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-688 S24000 | ГОСТ | Russia | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| SA-813 S24000 | ГОСТ | Russia | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
| SA-814 S24000 | ГОСТ | Russia | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |