Material ‐ BS 10216 ‐ 5 EN X1CrNi25 ‐ 21
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 % | 0.020 max. |
| Silicon | Si % | 0.250 max. |
| Manganese | Mn % | 2.000 max. |
| Phosphorus | P % | 0.025 max. |
| Sulphur | S % | 0.010 max. |
| Chromium | Cr % | 24.000 ‐ 26.000 |
| Nickel | Ni % | 20.000 ‐ 22.000 |
| Molybdenum | Mo % | 0.200 max. |
| Nitrogen | N % | 0.110 max. |
| Iron | Fe % | Balance |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| Heat Treatment |
|---|
| Solution Annealing |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 470 ‐ 670 |
| Yield Strength in Mpa | 180 min. |
| Elongation in % | 40 min. |
| Reduction of Area in % | ‐ |
| Hardness in BHN | ‐ |
| Impact in Joule | 60 min. @ ‐ 196 ̊ C |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 1.4335 | DIN | Germany | Steel |
| 1.4335 | BS | British | Steel |
| X1CrNi25 21 | DIN | Germany | Steel, Rolling and Forging |
| X1CrNi25 21 | UNI | Italy | Steel, Sheet, Strip and Plate |
| X1CrNi25 21 | AFNOR NF | France | Steel |
| X1CrNi25 ‐ 20 | AFNOR NF | France | Steel and Tube |
| Z1CN25 ‐ 20 | AFNOR NF | France | Steel and Tube |