UK B.S. BS EN 10028-7, BS EN 10088-1, BS EN 10088-2, BS EN 10088-3, BS EN 10088-4, BS EN 10088-5, BS EN 10216-5 (2004), BS EN 10217-7, BS EN 10250-4, BS EN 10253-3, BS EN 10253-4, BS EN 10272, BS EN 10296-2 (2005), BS EN 10297-2 (2005), X1NiCrMoCu25-20-5 Specialsteel Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X1NiCrMoCu25-20-5 | Austenite | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel | 
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | 
|---|---|---|---|---|---|---|---|---|---|
| ≤0.02 | ≤0.70 | ≤2.00 | ≤0.03 | ≤0.01 | 19.00 -21.00 | 24.00 -26.00 | 4.00 -5.00 | ≤0.15 | 1.20 -2.00 | 
| Yield Rp0.2 (MPa)  | 
                                            Tensile Rm (MPa)  | 
                                            Impact KV/Ku (J)  | 
                                            Elongation A (%)  | 
                                            Reduction in cross section on fracture Z (%)  | 
                                            As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 978 (≥) | 234 (≥) | 34 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | 
| Temperature (°C)  | 
                                        Modulus of elasticity (GPa)  | 
                                        Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C)  | 
                                        Specific thermal capacity (J/kg·°C)  | 
                                        Specific electrical resistivity (Ω mm²/m)  | 
                                        Density (kg/dm³)  | 
                                        Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.43 | - | |||
| 252 | 815 | - | 32.3 | 241 | - | ||
| 635 | - | 12 | 22.2 | 333 | 424 | 
Heat treated : 1827°C - 1771°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X1NiCrMoCu25-20-5 | |||
| X1NiCrMoCu25-20-5 | 
| BS EN 10028-7 | Flat products made of steels for pressure purposes - Part 7: Stainless steels | BS-EN-10028-7.pdf | 
| BS EN 10088-1 | Stainless steels - Part 1: List of stainless steels | BS-EN-10088-1.pdf | 
| BS EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes | BS-EN-10088-2.pdf | 
| BS 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 | BS-EN-10088-3.pdf | 
| BS EN 10088-4 | Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes | BS-EN-10088-4.pdf | 
| BS 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 | BS-EN-10088-5.pdf | 
| BS EN 10216-5 (2004) | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes | BS-EN-10216-5-(2004).pdf | 
| BS EN 10217-7 | Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes | BS-EN-10217-7.pdf | 
| BS EN 10250-4 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels | BS-EN-10250-4.pdf | 
| BS EN 10253-3 | Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements | BS-EN-10253-3.pdf | 
| BS EN 10253-4 | Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements | BS-EN-10253-4.pdf | 
| BS EN 10272 | Stainless steel bars for pressure purposes | BS-EN-10272.pdf | 
| BS EN 10296-2 (2005) | Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel | BS-EN-10296-2-(2005).pdf | 
| BS EN 10297-2 (2005) | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel | BS-EN-10297-2-(2005).pdf | 
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