Material – EN 1.7218
Standard Specification for Seemless Steel Tubes for Pressure Purposes
Group - Ferrous Mild Steel Alloys
Sub Group - EN 1.7218 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 % | 0.220 - 0.290 |
| Silicon | Si % | 0.400 max. |
| Manganese | Mn % | 0.600 - 0.900 |
| Phosphorus | P % | 0.035 max. |
| Sulphur | S % | 0.035 max. |
| Chromium | Cr % | 0.900 - 1.200 |
| Molybdenum | Mo % | 0.150 - 0.300 |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Quenching + Tempering |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 540 - 1400 |
| Yield Strength in Mpa | 345 - 440 |
| Elongation in % | 4 min. |
| Reduction of Area in % | 50 min. |
| Hardness in HB | 270 max. |
| Impact in Joule | 22 J @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 10216-2 | BS | British | Steel and Tube |
| 1.7218 | DIN | Germany | Steel and Tube |
| 25 CrMo 4 | AFNOR NF | France | Steel and Flat |
| 25 CrMo 4 | BS | British | Steel |
| 25 CrMo 4 | DIN | Germany | Steel |
| 25 CrMo 4 | ISO | International | Steel and Tube |
| 25 CrMo 4 | UNI | Italy | Steel and Tube |