Material ‐ BS 10216 ‐ 2 EN 1.7338
Standard Specification for Seemless Steel Tubes for Pressure Purposes
Group - Ferrous Mild Steel Alloys
Sub Group - BS 10216 ‐ 2 Seemless Steel Tubes for Pressure Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Steel and Tube
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.150 max. |
| Silicon | Si % | 0.500 ‐ 1.000 |
| Manganese | Mn % | 0.300 ‐ 0.600 |
| Phosphorus | P % | 0.025 max. |
| Sulphur | S % | 0.020 max. |
| Chromium | Cr % | 1.000 ‐ 1.500 |
| Nickel | Ni % | 0.300 max. |
| Molybdenum | Mo % | 0.450 ‐ 0.650 |
| Aluminium | Al % | 0.040 max. |
| Copper | Cu % | 0.300 max. |
| Iron | Fe % | Balance |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| ‐ | ‐ | ‐ |
| Heat Treatment |
|---|
| Normalising + Tempering |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 410 ‐ 560 |
| Yield Strength in Mpa | 275 min. |
| Elongation in % | 20 min. |
| Reduction of Area in % | ‐ |
| Hardness in BHN | ‐ |
| Impact in Joule | 27 min. @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 621 | BS | British | Steel, Tube and Plate |
| J12072 | UNS | USA | Casting |
| SA ‐ 217 Grade WC6 | ASME | USA | Casting |
| G 17 CrMo 5 ‐ 5 | AFNOR NF | France | Casting |
| A426 Grade CP11 | ASTM | USA | Steel |
| 621 | BS | British | Plate |
| G S 17 CrMo 5 ‐ 5 | DIN | Germany | Casting |