Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
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| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-479 S20161 | Austenite | USA - AMS , SA-479/SA-479M | |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Mn | 4.00 | 6.00 | ||
| Si | 3.00 | 4.00 | ||
| P | - | 0.04 | ||
| S | - | 0.04 | ||
| Cr | 15.00 | 18.00 | ||
| Ni | 4.00 | 6.00 | ||
| Mo | - | 0.50 | ||
| N | 0.08 | 0.20 |
| 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) |
|---|---|---|---|---|---|---|
| 227 (≥) | 139 (≥) | 13 | 14 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
| 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 |
|---|---|---|---|---|---|---|---|
| 788 (≥) | 411 (≥) | 23 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 759 | 765 | 586 |
| 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 S20161 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S20161 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S20161 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 479 S20161 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 580 S20161 | SAE | USA | Stainless Steel Wire |
| A 959 S20161 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| F 899 S20161 | SAE | USA | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
| S20161 | AISI | USA | Austenitic Chromium Manganese Nickel Silicon Stainless Steel |
| SA-240 S20161 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-276 S20161 | AMS | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 S20161 | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| S20161 | AISI | USA | Austenitic Chromium Manganese Nickel Silicon Stainless Steel |