FERRALIUM alloy 255
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Whole FERRALIUM alloy 255 Details
Whole FERRALIUM alloy 255 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | FERRALIUM alloy 255 | - , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.04 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.50 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 24.0 | 27.0 | ||
| Ni | 4.5 | 6.5 | ||
| Mo | 2.9 | 3.9 | ||
| Cu | 1.50 | 2.50 | ||
| N | 0.10 | 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) |
|---|---|---|---|---|---|---|
| 744 (≥) | 413 (≥) | 12 | 23 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
| 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 |
|---|---|---|---|---|---|---|---|
| 858 (≥) | 131 (≥) | 44 | 11 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 755 | 632 | 177 |
| 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 |
|---|---|---|---|
| FERRALIUM alloy 255 | Whole | Whole | FERRALIUM alloy 255 |
| S32550 | UNS | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel |
| A 1049 S32550 | SAE | USA | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components |
| A 240 S32550 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S32550 | SAE | USA | Stainless Steel Bars and Shapes |
| A 473 S32550 | SAE | USA | Stainless Steel Forgings |
| A 479 S32550 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 511 S32550 | SAE | USA | Seamless Stainless Steel Mechanical Tubing |
| A 789 S32550 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S32550 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 815 CRS32550 | SAE | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 815 WPS32550 | SAE | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 928 S32550 | SAE | USA | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S32550 | SAE | USA | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| S32550 | AISI | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel |
| SA-240 S32550 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-276 S32550 | AMS | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 S32550 | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| SA-789 S32550 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
| SA-790 S32550 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
