Material data sheet
Flange's Raw Material - Carbon Steel C21 (1.0432) : VdTUV399/3:2007
Material grade reference for flange purchasing, including chemical composition and mechanical properties.
Chemical composition / mechanical property
Check material standards, chemical composition, mechanical properties and purchasing references.
- Photos
- 56
- Data tables
- 34
- Related references
- 86
Data tables
Reference tables
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Chemical Requirements
| Element / Component | Composition % |
| Carbon ( C ) | 0.18 - 0.23 |
| Manganese ( Mn ) | 0.80 - 1.35 |
| Phosphorus ( P ) | 0.035 max |
| Sulphur ( S ) | 0.030 max |
| Silicon ( Si ) | 0.15 - 0.35 |
| Aluminium ( Al ) | - |
| Chromium ( Cr ) | 0.30 max |
| Copper ( Cu) | 0.40 max |
| Nickel ( Ni ) | 0.40 max |
| Titanium ( Ti) | - |
| Vanadium ( V ) | 0.030 max |
| Molybdenum ( Mo ) | 0.12 max |
| Niobium ( Nb ) | 0.020 max |
| Nitrogen ( N ) | - |
Mechanical Requirements
| Items | Value |
| Yield Strength ReH N/mm2 | 250 min |
| Tensile Strength Rm N/mm2 | 485 - 630 |
| Elongation ( A ) | 20% min |
| Reduction ( Z ) | 45% min |
| Impact Test ( J ) | 31 min |
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