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ASTM A672 Grade B50 Electric Fusion Welded Steel Pipe for High
Pressure Service
The A672 pipe specification covers electrofusion-welded steel
tubing with added filler metals, made from pressure vessel quality
plate of various analyses and strength grades for high pressure
service at atmospheric pressure and lower temperatures. Heat
treatment may or may not be required to achieve desired properties
or to meet applicable code requirements. Supplemental requirements
are available when additional testing or inspection is required.
ASTM A672 pipe specifications typically include pipe with an
outside diameter of 16 inches (405 mm) or greater and a wall
thickness of 1/4 inch (6.4 mm) or greater. Other pipe sizes are
available, provided all other requirements of this specification
are met.
» ASME SA672 Gr B55
» ASTM A672 Gr B60
» ASME SA672 Gr B60
» ASTM A672 Gr B65
» ASME SA672 Gr B65
» ASTM A672 Gr B70
» ASME SA672 Gr B70
» ASTM A672 Gr C60
» ASME SA672 Gr C60
» ASTM A672 Gr C65
» ASME SA672 Gr C65
» ASTM A672 Gr C70
» ASME SA672 Gr C70
» ASTM A672 Gr CD70
» ASME SA672 Gr CD70
» ASME SA672 Gr B55
» ASTM A672 Gr B60
» ASME SA672 Gr B60
» ASTM A672 Gr B65
» ASME SA672 Gr B65
» ASTM A672 Gr B70
» ASME SA672 Gr B70
» ASTM A672 Gr C60
» ASME SA672 Gr C60
» ASTM A672 Gr C65
» ASME SA672 Gr C65
» ASTM A672 Gr C70
» ASME SA672 Gr C70
» ASTM A672 Gr CD70
» ASME SA672 Gr CD70
A672 Grade B60 / B65 / B70 / C60 / C65 / C70 Carbon Steel EFW Pipes
Class
| Class | Heat Treatment on Pipe | Radiography | Pressure Test |
| A672 Pipe Class 10 | none | none | none |
| A672 Pipe Class 11 | none | yes | none |
| A672 Pipe Class 12 | none | yes | yes |
| A672 Pipe Class 13 | none | none | yes |
| A672 Pipe Class 20 | stress relieved | none | none |
| A672 Pipe Class 21 | stress relieved | yes | none |
| A672 Pipe Class 22 | stress relieved | yes | yes |
| A672 Pipe Class 23 | stress relieved | none | yes |
| A672 Pipe Class 30 | stress relieved | none | none |
| A672 Pipe Class 31 | stress relieved | yes | none |
| A672 Pipe Class 32 | stress relieved | yes | yes |
| A672 Pipe Class 33 | stress relieved | none | yes |
| A672 Pipe Class 40 | normalized and tempered | none | none |
| A672 Pipe Class 41 | normalized and tempered | yes | none |
| A672 Pipe Class 42 | normalized and tempered | yes | yes |
| A672 Pipe Class 43 | normalized and tempered | none | yes |
| A672 Pipe Class 50 | normalized and tempered | none | none |
| A672 Pipe Class 51 | normalized and tempered | yes | none |
| A672 Pipe Class 52 | normalized and tempered | yes | yes |
| A672 Pipe Class 53 | normalized and tempered | none | yes |
Applications
