ASME SA 516 Gr 70/ ASTM A 516 gr 60 / SA 516 – Characteristics
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There are three grades of ASME standard SA516 Steel plate
- ASME SA 516 gr 60
- ASME SA 516 gr 65
- ASME SA 516 gr 70
We have listed the chemical and physical properites of the grades on the tabke below to allow for clear comparison. ASME SA 516 gr 70 has the highest tensile and yiled strength of the three grades and this is due to the higher carbon content of the steel. The other principal alloying elements are the sames as the other two ASME SA 516 grades.
Generally the higher the grade, in this case ASME SA 516 gr 70, the higher quality steel it is considered to be and the wider the range of possible applications. Our experience is that customers tend to choose either ASME SA 516 gr 60 or ASME SA 516 gr 70, with ASME SA 516 gr 65 being less popular. This is because the small difference between the grades mean that many heats of A can be dual certified for all three grades and the small price differential means that for procurement purposes the additional cost of procuring ASME SA 516 gr 70 is small, whilst the engineering and logistical benefits can be significant.
Our steel plates are of high quality and if you check summary the sample Mill Test Certificate on the test certs page you can see that the standard requirements are comfortably exceeded.
ASME and ASTM Standards are harmonised so ASME SA 516 gr 70 is exactly the same as ASTM A 516 gr 70. On some specifications this is written as ASTM/ASME A/SA 516 gr70 or a similar combination of the same meaning.
Mechanical Properties:
| A516 Grade 60 | A 516 Grade 65 | A16 Grade 70 | |
| Tensile Strength (ksi) | 60-80 | 65-85 | 70-90 |
| Tensile Strength (MPa) | 415-550 | 450-585 | 485-620 |
| Yield Strength (ksi) | 32 | 35 | 38 |
| Yield Strength (MPa) | 220 | 240 | 260 |
| Elongation in 200mm (%) | 21 | 19 | 17 |
| Elongation in 50mm (%) | 25 | 23 | 21 |
| Max Thickness (mm) | 205 | 205 | 205 |
Chemical Properties:
| Composition (%) | |||
| A516 Grade 60 | A 516 Grade 65 | A16 Grade 70 | |
| Carbon (C) (Max) | |||
| < 12.5mm Thick | 0.21 | 0.24 | 0.27 |
| > 12.5mm - < 50mm Thick | 0.23 | 0.26 | 0.28 |
| > 50mm - = 100mm Thick | 0.25 | 0.28 | 0.30 |
| > 100mm - < 200mm Thick | 0.27 | 0.29 | 0.31 |
| > 200mm Thick | 0.27 | 0.29 | 0.31 |
| Manganese (Mn) | |||
| < 12.5mm Thick | |||
| Heat Analysis | 0.6-0.9 | 0.85-1.2 | 0.85-1.2 |
| Product Analysis | 0.55-0.98 | 0.79-1.3 | 0.79-1.3 |
| > 12.5mm Thick | |||
| Heat Analysis | 0.85-1.2 | 0.85-1.2 | 0.85-1.2 |
| Product Analysis | 0.79-1.3 | 0.79-1.3 | 0.79-1.3 |
| Phosphorous (P)(max) | 0.035 | 0.035 | 0.035 |
| Sulphur (S) (max) | 0.035 | 0.035 | 0.035 |
| Silicon (Si) | |||
| Heat Analysis | 0.15-0.4 | 0.15-0.4 | 0.15-0.4 |
| Product Analysis | 0.13-0.45 | 0.13-0.45 | 0.13-0.45 |
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