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The ASTM A516 specification is the Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service for plates used in pressure vessel applications where excellent notch toughness is required. Four grades having minimum Tensile Strengths ranging of 55 ksi to 70 ksi are available.
ASTM A516/A516M-10(2015)
is the standard specification for making pressure vessels (such as oil tanks), material in carbon steel for moderate and lower temperature services, it will improve the notch toughness of the steel during the welding work.
ASTM A516/A516M-10(2015) standard specification covers carbon steel plates intended primarily for service in welded pressure vessels where improved notch toughness is important. According to different strength levels, the plates are available in four grades: Grades 55, 60, 65, and 70. The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements. The steel shall be killed and shall conform to fine austenitic grain size requirements. The mechanical properties such as tensile strength, yield strength, and elongation shall be determined by a tension test for the plates.
What is A516 Grade 60 steel?
ASTM A516 Grade 60 is a boiler and pressure vessel quality steel which is ideal for moderate and lower temperature service. The material is used extensively by industrial boiler and pressure vessel fabricators who provide manufacturing support to the oil, gas and petrochemical industry.
What is ASTM A516 Grade 70?
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.
ASTM A516 Grade 60
ASTM A516 Grade 60 is a boiler and pressure vessel quality steel which is ideal for moderate and lower temperature service.
The material is used extensively by industrial boiler and pressure vessel fabricators who provide manufacturing support to the oil, gas and petrochemical industry. The steel has good weldability and excellent notch toughness.
Please refer to the data tables below. Should your require a pressure grade steel with greater tensile and yield strength, please refer to ASTM A516 Grade 65 and/or ASTM A516 Grade 70.
Chemical composition of ASTM A516 Grade 60
| The element | Data |
|---|---|
| Carbon (C) 12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm | % 0.21 0.23 0.25 0.27 0.27 |
| Sulphur (S) | % |
| (max) | 0.035 |
| Manganese (Mn) | % |
| 12.5mm or less | 0.6-0.9 |
| • Heat Analysis : | 0.55-0.98 |
| • Product Analysis : | 0.85-1.20 |
| Over 12.5mm | 0.79-1.30 |
| • Heat Analysis : | |
| • Product Analysis : | |
| Phosphorus (P) | % |
| (max) | 0.035 |
| Sulphur (S) | % |
| (max) | 0.035 |
| Silicon (Si) | % |
| • Heat Analysis : | 0.15-0.40 |
| • Product Analysis : | 0.13-0.45 |
Mechanical Properties of ASTM A516 Grade 60
| DESCRIPTION | GRADE 60 |
|---|---|
| Tensile strength (ksi) | 60-80 |
| Tensile strength (MPa) | 415-550 |
| Yield strength (ksi) | 32 |
| Yield strength (MPa) | 220 |
| Elongation in 200mm (min)(%) | 21 |
| Elongation in 50mm (min) (%) | 25 |
| Thickness (max)(mm) | 205 |
ASTM A516 Grade 65
ASTM A516 Grade 65 is an excellent weldable carbon steel choice for pressure vessels and boiler fabrication. The material offers excellent performance in lower than ambient temperature service, has good weldability and excellent notch toughness.
A516 Grade 65 has greater specified tensile and yield strength when compared with ASTM A516 Grade 60
Used throughout the oil, gas and petrochemical industry, the steel is also found in sour service and wet H2S applications (where the steel is HIC tested).
Chemical composition of ASTM A516 Grade 65
| The element | Data |
|---|---|
| Carbon (C) 12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm | % 0.24 0.26 0.28 0.29 0.29 |
| Manganese (Mn) 12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm | % 0.85-1.20 0.79-1.30 0.85-1.20 0.79-1.30 |
| Phosphorus (P) | % |
| (max) | 0.035 |
| Sulphur (S) | % |
| (max) | 0.035 |
| Silicon (Si) | % |
| • Heat Analysis : | 0.15-0.40 |
| • Product Analysis : | 0.13-0.45 |
Mechanical properties of ASTM A516 Grade 65
| DESCRIPTION | GRADE 65 |
|---|---|
| Tensile strength (ksi) | 65-85 |
| Tensile strength (MPa) | 450-585 |
| Yield strength (ksi) | 35 |
| Yield strength (MPa) | 240 |
| Elongation in 200mm (min)(%) | 19 |
| Elongation in 50mm (min) (%) | 21 |
| Thickness (max)(mm) | 205 |
ASTM A516 Grade 70
ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature applications, has excellent notch toughness and is used in both pressure vessels and industrial boilers.
A516 Grade 70 offers greater tensile and yield strength when compared to ASTM A516 Grade 65 and can operate in even lower temperature service.
Chemical composition of ASTM A516 Grade 70
| The element | Data |
|---|---|
| Carbon (C) 12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm | % 0.27 0.28 0.3 0.31 0.31 |
| Manganese (Mn) 12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm | % 0.85-1.20 0.79-1.30 0.85-1.20 0.79-1.30 |
| Phosphorus (P) | % |
| (max) | 0.035 |
| Sulphur (S) | % |
| (max) | 0.035 |
| Silicon (Si) | % |
| • Heat Analysis : | 0.15-0.40 |
| • Product Analysis : | 0.13-0.45 |
Mechanical Properties of ASTM A516 Grade 70
| DESCRIPTION | GRADE 70 |
|---|---|
| Tensile strength (ksi) | 70-90 |
| Tensile strength (MPa) | 485-620 |
| Yield strength (ksi) | 38 |
| Yield strength (MPa) | 260 |
| Elongation in 200mm (min)(%) | 17 |
| Elongation in 50mm (min) (%) | 21 |
| Thickness (max)(mm) | 205 |
