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YB 304S Details
YB 304S Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 304S | Austenite | USA - YB , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.01 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.25 | ||
| S | - | 0.20 | ||
| Cr | 17.00 | 19.00 | ||
| Ni | 8.00 | 10.00 |
| 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 (≥) | 945 (≥) | 31 | 43 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
| 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 |
|---|---|---|---|---|---|---|---|
| 484 (≥) | 528 (≥) | 41 | 34 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 589 | 125 | 865 |
| 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 |
|---|---|---|---|
| 304S | YB | USA | Stainless steel and heat resistant steel |
| 304S11 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| 304S11-E | B.S. | UK | Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip |
| 304S11-LT | B.S. | UK | Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip |
| CFS 304S11 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| HFM 304S11 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| LW 304S11 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
| LWCF 304S11 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
| LWHT 304S11 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
| 304S15 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| 304S31 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| HFS 304S31 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| LW 304S31 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
| 304S16 | B.S. | UK | Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip |
| 304S51 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| HFS 304S51 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| CFS 304S51 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| HFM 304S51 | B.S. | UK | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| 304 S11 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| 304 S11E | B.S. | UK | Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip |