Material – BS 304 S 11
Standard Specification for Seemless Steel Bar for Pressure Purposes
Group - Ferrous Stainless Steel Alloys
Sub Group - BS 304 S 11 Seemless Steel Bar for Pressure Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Steel and Bar
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.030 max. |
| Silicon | Si % | 1.000 max. |
| Manganese | Mn % | 2.000 max. |
| Phosphorus | P % | 0.045 max. |
| Sulphur | S % | 0.030 max. |
| Chromium | Cr % | 17.000 - 19.000 |
| Molybdenum | Mo % | 1.000 max. |
| Nickel | Ni % | 9.000 - 12.000 |
| Titanium | Ti % | 0.100 max. |
| Niobium | Nb % | 0.200 max. |
| Copper | Cu % | 0.700 max. |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Solution Annealing |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 480 - 850 |
| Yield Strength in Mpa | 180 min. |
| Elongation in % | 12 min. |
| Reduction of Area in % | - |
| Hardness in HB | 320 max. |
| Impact in Joule | 55 @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 1.4541 | EN | European Union | Tube |
| 1.4541 | DIN | Germany | Steel |
| 1.4541 | DIN | Germany | Steel |
| 04Ch18N10 | GOST | Russia | Steel |
| 321 | SAE | USA | Steel |
| X6CrNiTi18 10 | DIN | Germany | Steel |
| X6CrNiTi18-10 | AFNOR NF | France | Steel |