Material ‐ BS 10216 ‐ 5 EN X5NiCrAlTi31 ‐ 20
Standard Specification for Seemless Steel Tubes for Pressure Purposes
Group - Ferrous Stainless Steel Alloys
Sub Group - BS 10216 ‐ 5 Seemless Steel Tubes for Pressure Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Tube
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.030 ‐ 0.080 |
| Silicon | Si % | 0.700 max. |
| Manganese | Mn % | 1.500 max. |
| Phosphorus | P % | 0.015 max. |
| Sulphur | S % | 0.010 max. |
| Chromium | Cr % | 19.000 ‐ 22.000 |
| Nickel | Ni % | 30.000 ‐ 32.500 |
| Titanium | Ti % | 0.200 ‐ 0.500 |
| Copper | Cu % | 0.500 max. |
| Aluminium | Al % | 0.200 ‐ 0.500 |
| Al+Ti | Al % +Ti % | 0.700 max. |
| Cobalt | Co % | 0.500 max. |
| Ni + Co | Ni % + Co % 30.000 ‐ 32.500 | Reduction of Area in % |
| Niobium | Nb % | 0.100 max. |
| Iron | Fe % | Balance |
| Heat Treatment |
|---|
| Solution Annealing |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 500 ‐ 750 |
| Yield Strength in Mpa | 210 min. |
| Elongation in % | 30 min. |
| ‐ | - |
| Hardness in BHN | ‐ |
| Impact in Joule | 80 min. @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 1.4958 | BS | British | Steel |
| 1.4958 | DIN | Germany | Steel |
| 1.4958 | EN | European Union | Steel |
| X5NiCrAlTi31 20 | DIN | Germany | Steel and Flat |
| X5NiCrAlTi31 20 | EN | European Union | Steel and Flat |
| 1.4959 | BS | British | Steel |
| 1.4959 | DIN | Germany | Steel |