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YB 302B Details
YB 302B Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 302B | Austenite | USA - YB , A 167 (2009) - Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip A 276 (2010) - Stainless Steel Bars and Shapes A 314 (2008) - Stainless Steel Billets and Bars for Forging A 473 (2009) - Stainless Steel Forgings A 580/A 580M (2012) - Stainless Steel Wire A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | 2.00 | 3.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 17.0 | 19.0 | ||
| Ni | 8.00 | 10.0 |
| 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) |
|---|---|---|---|---|---|---|
| 759 (≥) | 889 (≥) | 44 | 31 | 21 | 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 |
|---|---|---|---|---|---|---|---|
| 423 (≥) | 877 (≥) | 23 | 41 | 31 | 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 |
|||||
| 468 | 787 | 344 |
| 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 |
|---|---|---|---|
| 302B | YB | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 167 Type 302B | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 276 302B | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 302B | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 302B | SAE | USA | Stainless Steel Forgings |
| A 580 Type 302B | SAE | USA | Stainless Steel Wire |
| A 959 Type 302B | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| SUS 302B | FED | Japan | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 167 S30215 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 276 S30215 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S30215 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 S30215 | SAE | USA | Stainless Steel Forgings |
| A 580 S30215 | SAE | USA | Stainless Steel Wire |
| S30215 | AISI | USA | Austenitic Chromium Nickel Stainless Steel |
| STS302B | KS | Korea | Hot rolled stainless steel plates, sheets and strip |