Material – BS 434 S 20
Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet and Strip for Pressure Vessels and for General Applications
Group - Ferrous Stainless Steel Alloys
Sub Group - BS 434 S 20 Chromium and Chromium-Nickel Stainless Steel for Pressure Vessels and for General
Applications
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Steel and Wire
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.120 max. |
| Silicon | Si % | 1.000 max. |
| Manganese | Mn % | 1.000 max. |
| Phosphorus | P % | 0.040 max. |
| Sulphur | S % | 0.030 max. |
| Chromium | Cr % | 16.000 - 18.000 |
| Molybdenum | Mo % | 0.750 - 1.250 |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Annealing or Hardening + Tempering |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 650 min. |
| Yield Strength in Mpa | - |
| Elongation in % | - |
| Reduction of Area in % | - |
| Hardness in BHN | - |
| Impact in Joule | - |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| A240 UNS S43400 | ASTM | USA | Steel, Plate, Sheet and Strip |
| S43400 | UNS | USA | Steel |
| 51434 | SAE | USA | Steel |
| A651 TP 434 | ASTM | USA | Steel and Tube |
| A959 Type 434 | ASTM | USA | Steel |
| STS 434 | KS | Korea | Steel, Wire and Rod |
| SUS 434 | JIS | Japan | Steel, Wire and Rod |