Material – BS B 2
Standard Specification for Steel Castings for General Engineering Purposes
Group - Ferrous Mild Steel Alloys
Sub Group - BS B 2 Steel Castings for General Engineering Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Casting
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.200 max. |
| Silicon | Si % | 0.600 max. |
| Manganese | Mn % | 0.500 - 0.800 |
| Phosphorus | P % | 0.040 max. |
| Sulphur | S % | 0.040 max. |
| Chromium | Cr % | 1.000 - 1.500 |
| Nickel | Ni % | 0.400 max. |
| Molybdenum | Mo % | 0.450 - 0.650 |
| Copper | Cu % | 0.300 max. |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Annealing or Normalising or Hardening + Tempering |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 480 - 820 |
| Yield Strength in Mpa | 280 min. |
| Elongation in % | 14 min. |
| Reduction of Area in % | - |
| Hardness in HB | 140 - 241 |
| Impact in Joule | 10 J @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| J13052 | UNS | USA | Casting |
| 200-400 W | JIS | Japan | Casting |
| 6120 | AISI | USA | Forging, Bar, Wire, and Shape |
| B 4 | BS | British | Forging |
| B 5 | BS | British | Forging |
| B 6 | BS | British | Forging |
| A732 5N | ASTM | USA | Casting |