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Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 is high alloyed stainless steel with an austenitic structure, which can be classified as nickel alloys (according to American standards).Delivered in the supersaturated state exhibits resistance to intercrystalline, pitting, and stress corrosion, salt, sea water, chloride, sulfuric acid, phosphoric acid and other aggressive chemicals in high concentrations in liquid and gaseous form.X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 steel is used mainly in the chemical, paper, cryogenic, aerospace, and power industries. The main end products are heat exchangers, chemical tanks, pumps, screws, aircraft components, bushings, shafts, water desalination and flue gas desulphurisation equipment, valves and even radiator components.
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | EN 10028-7 | Flat products made of steels for pressure purposes - Part 7: Stainless steels |
| 2 | EN 10088-1 | Stainless steels - Part 1: List of stainless steels |
| 3 | EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 4 | EN 10088-3 | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
| 5 | EN 10088-4 | Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes |
| 6 | EN 10088-5 | Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes |
| 7 | EN 10216-5 (2004) | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes |
| 8 | EN 10217-7 | Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes |
| 9 | EN 10250-4 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 10 | EN 10253-3 | Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements |
| 11 | EN 10253-4 | Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| 12 | EN 10272 | Stainless steel bars for pressure purposes |
| 13 | EN 10297-2 (2005) | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.020 | |||
| Si | 0.50 | |||
| Mn | 1.00 | |||
| P | 0.030 | |||
| S | 0.010 | |||
| Cr | 19.00 | 21.00 | ||
| Mo | 6.00 | 7.00 | ||
| Ni | 24.00 | 26.00 | ||
| N | 0.15 | 0.25 | ||
| Cu | 0.50 | 1.50 |
| Tensile strength | 482～149 | σb/MPa |
| Yield Strength | 173 | σ 0.2 ≥/MPa |
| Elongation | 70 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 456～837 | - |
| HRC | 30 | - |
| Thermal expansion | 58-92 | e-6/K |
| Thermal conductivity | 30-77 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 0449-3616 | 째C |
| Density | 9831-4680 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Stainless Steels | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |