Material – BS 243 – 430
Standard Specification for Steel Forgings for Pressure Purposes
Group - Ferrous Mild Steel Alloys
Sub Group - BS 243 - 430 Steel Forgings for Pressure Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Forging
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.120 - 0.200 |
| Silicon | Si % | 0.150 - 0.400 |
| Manganese | Mn % | 0.500 - 0.800 |
| Phosphorus | P % | 0.030 max. |
| Sulphur | S % | 0.025 max. |
| Chromium | Cr % | 0.250 max. |
| Nickel | Ni % | 0.400 max. |
| Molybdenum | Mo % | 0.250 - 0.350 |
| Copper | Cu % | 0.300 max. |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Normalising + Tempering or Hardening + Tempering |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 430 - 580 |
| Yield Strength in Mpa | 250 min. |
| Elongation in % | 19 min. |
| Reduction of Area in % | - |
| Hardness in BHN | - |
| Impact in Joule | 27 J @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| SA-352 Grade LC1 | ASME | USA | Casting |
| 4422 | AISI | USA | Bar |
| G20Mo5 | DIN | Germany | Casting |
| J12522 | UNS | USA | Casting |
| SCPL 11 | JIS | Japan | Casting |
| G18Mo5 | UNI | Italy | Casting |
| A352 LC1 | ASTM | USA | Casting |