Used throughout the oil, gas and petrochemical industry the material is a normalized steel with excellent weldability and improved notch toughness i.e. the materials ability to absorb energy when a flaw is present.
We keep this material in stock with added stringent restrictions applied to the chemical, mechanical and testing requirements – this ensures that the material is available to you from our warehouse, regardless of your requirements.
Please refer to the technical details for ASME SA516 Grade 70 below...
Table 1: Chemical Composition of ASME SA516 Grade 70
| Carbon (C) | % | Manganese (Mn) | % | Phosphorus (P) | % |
| 12.5mm or less 12.5 - 50mm 50 - 100mm 100 - 200mm > 200mm | 0.27 0.28 0.30 0.31 0.31 | 12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm • Heat Analysis : • Product Analysis : | 0.85-1.20 0.79-1.30 0.85-1.20 0.79-1.30 | (max) | 0.035 |
| Sulphur (S) | % | Silicon (Si) | % | ||
| (max) | 0.035 | • Heat Analysis : • Product Analysis : | 0.15-0.40 0.13-0.45 | ||
(Maximum values unless stated otherwise)
Table 2: Mechanical Properties of ASME SA516 Grade 70
| Description | Grade 70 |
| Tensile strength (ksi) Tensile strength (MPa) Yield strength (ksi) Yield strength (MPa) Elongation in 200mm (min)(%) Elongation in 50mm (min) (%) | 70-90 485-620 38 260 17 21 |
(Minimum values unless stated otherwise)
