Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel, Austenitic steel designed to deal with sour gas, phosphoric, sulphuric and acetic acids, and vinyl chloride. It is used for heat exchangers, coolers, tanks, pumps and pipelines in the chemical, cryogenic, paper, petrochemical and energy industries, for elements of mining platforms, and for aircraft structures, screws and valves.It has a better corrosion resistance than UNS N08904 / 904L / 1.4539.The steel is resistant to intergranular corrosion in the delivery condition. It also has an excellent resistance to stress corrosion cracking phenomena, particularly in case of hot chloride environments.The alloy belongs to the welding group ISO 8.2; Preheating is not necessary.
AFNOR X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 Enquiry | Print this page
AFNOR X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 Details
AFNOR X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 | Austenite | France - AFNOR , EN 10028-7 | EN 10088-1 | EN 10088-2 | EN 10088-3 | EN 10088-4 | EN 10088-5 | EN 10216-5 (2004) | EN 10217-7 | EN 10250-4 | EN 10253-3 | EN 10253-4 | EN 10272 | EN 10297-2 (2005) | |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.020 | ||
| Si | - | 0.70 | ||
| Mn | - | 2.00 | ||
| P | - | 0.030 | ||
| S | - | 0.010 | ||
| Cr | 26.00 | 28.00 | ||
| Mo | 3.00 | 4.00 | ||
| Ni | 30.00 | 32.00 | ||
| N | - | 0.11 | ||
| Cu | 0.70 | 1.50 |
| 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) |
|---|---|---|---|---|---|---|
| 425 (≥) | 647 (≥) | 42 | 32 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
| 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 |
|---|---|---|---|---|---|---|---|
| 794 (≥) | 166 (≥) | 13 | 33 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 895 | 256 | 569 |
| 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 |
|---|---|---|---|
| X1NiCrMoCu31-27-4 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4563 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X1NiCrMoCu31-27-4 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4563 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Austenitic steel designed to deal with sour gas, phosphoric, sulphuric and acetic acids, and vinyl chloride. It is used for heat exchangers, co |
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