ASTM A516/A516M-17 PDF
What is ASTM A516 equivalent to?
ASTM A516 GD 70 - Pressure Vessel Steel
ASTM A516 Grade 70 is a boiler / pressure vessel quality of steel plate for use in low to moderate services. It has improved notch toughness. A516 GD70 steel plate is equivalent to the P355GH and 490B grades.
What is Difference Between ASTM A516 GRADE 60 and 70
| Element | Composition % | ||||
| Grade 55 [Grade 380] |
Grade 60 [Grade 415] |
Grade 65 [Grade 450] |
Grade 70 [Grade 485] |
||
| Carbon, max a,b : | |||||
| 1⁄2 in. [12.5 mm] and under | 0.18 | 0.21 | 0.24 | 0.27 | |
| Over 1⁄2 in. to 2 in. [12.5 to 50 mm], incl | 0.20 | 0.23 | 0.26 | 0.28 | |
| Over 2 in. to 4 in. [50 to 100 mm], incl | 0.22 | 0.28 | 0.25 | 0.30 | |
| Over 4 to 8 in. [100 to 200 mm], incl | 0.24 | 0.27 | 0.29 | 0.31 | |
| Over 8 in. [200 mm] | 0.26 | 0.27 | 0.29 | 0.31 | |
| Manganese, b : | |||||
| 1⁄2 in. [12.5 mm] and under | |||||
| Heat analysis | 0.60–0.90 | 0.60–0.90 c | 0.85–1.20 | 0.85–1.20 | |
| Product analysis | 0.55–0.98 | 0.55–0.98 c | 0.79–1.30 | 0.79–1.30 | |
| Over 1⁄2 in. [12.5 mm]: | |||||
| Heat analysis | 0.60–1.20 | 0.85–1.20 | 0.85–1.20 | 0.85–1.20 | |
| Product analysis | 0.55–1.30 | 0.79–1.30 | 0.79–1.30 | 0.79–1.30 | |
| Phosphorus, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Sulphur, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Silicon | |||||
| Heat analysis | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | |
| Product analysis | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | |

What is the allowable stress for A516 GR 70?
Maximum Allowable Stress at Elevated Temperatures
| *Temp. | -20~100 | 200 |
|---|---|---|
| *MAS | 20.0 | 20.0 |
| *Temp. | 650 | 750 |
| *MAS | 18.8 | 14.8 |






