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YB 304 L Details
YB 304 L Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 304 L | Austenite | USA - YB , A 182/A 182M (2012) - Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service A 213/A 213M (2011) - Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes A 240/A 240M (2012) - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications A 249/A 249M (2010) - Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A 269 (2010) - Seamless and Welded Austenitic Stainless Steel Tubing for General Service A 270 (2010) - Seamless and Welded Austenitic Stainless Steel Sanitary Tubing A 276 (2010) - Stainless Steel Bars and Shapes A 312/A 312M (2012) - Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes A 314 (2008) - Stainless Steel Billets and Bars for Forging A 358/A 358M (2008) - Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications A 403/A 403M (2012) - Wrought Austenitic Stainless Steel Piping Fittings A 409/A 409M (2009) - Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service A 473 (2009) - Stainless Steel Forgings A 478 (2008) - Chromium-Nickel Stainless Steel Weaving and Knitting Wire A 479/A 479M (2011) - Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels A 493 (2009) - Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging A 511/A 511M (2012) - Seamless Stainless Steel Mechanical Tubing A 554 (2011) - Welded Stainless Steel Mechanical Tubing A 580/A 580M (2012) - Stainless Steel Wire A 632 (2009) - Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service A 666 (2010) - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar A 688/A 688M (2012) - Welded Austenitic Stainless Steel Feedwater Heater Tubes A 774/A 774M (2009) - As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures A 778 (2009) - Welded, Unannealed Austenitic Stainless Steel Tubular Products A 793 (2009) - Rolled Floor Plate, Stainless Steel A 813/A 813M (2009) - Single- or Double-Welded Austenitic Stainless Steel Pipe A 814/A 814M (2008) - Cold-Worked Welded Austenitic Stainless Steel Pipe A 943/A 943M (2009) - Spray-Formed Seamless Austenitic Stainless Steel Pipes A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A 965/A 965M (2012) - Steel Forgings, Austenitic, for Pressure and High Temperature Parts SAE AMS 5511H (2003) - Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated SAE AMS 5647J (2011) - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, And Rings 19Cr - 9.5Ni Solution Heat Treated SAE AMS-QQ-S-763B (1998) - Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings SAE J 2515 (1999) - High temperature materials for exhaust manifolds SAE J 405 (1998) - Chemical compositions of SAE wrought stainless steels SAE J 467 (1968) - Special Purpose Alloys ("Superalloys") |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.030 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 18.0 | 20.0 | ||
| Ni | 8.00 | 10.0 | ||
| N | - | 0.10 |
| 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) |
|---|---|---|---|---|---|---|
| 231 (≥) | 872 (≥) | 42 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 163 (≥) | 144 (≥) | 23 | 34 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 842 | 764 | 463 |
| 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 |
|---|---|---|---|
| 304 L | YB | USA | Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| 304L | UNS | USA | Steel, Corrosion-Resistant, Sheet, Strip, and Plate 19Cr - 9.5Ni (304L) Solution Heat Treated |
| 304L | ASME | USA | Tubing, steel, corrosion and heat resistant, for aerospace vehicle hydraulic systems assembled by brazing |
| A 167 Type 304L | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 182 F 304L | SAE | USA | Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| A 213 TP304L | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 304L | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 TP304L | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 TP304L | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 270 TP304L | SAE | USA | Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A 276 304L | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 304L | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 336 Grade F304L | SAE | USA | Alloy Steel Forgings for Pressure and High-Temperature Parts |
| A 358 304L | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 403 WP 304L | SAE | USA | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 409 TP304L | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 473 304L | SAE | USA | Stainless Steel Forgings |
| A 478 Type 304L | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 479 304L | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 493 Type 304L | SAE | USA | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
