ASTM A847 Welded High-Strength Low Alloy Structural Pipes
Size range: O.D.: 6-1626mm W.T.:1-15.88mm L: according to customer requirement
Steel Grade and Chemical Compositions:
Steel Grade and Chemical Compositions | ||||
C≤ | Mn≤ | P≤ | S≤ | Cu≥ |
0.24 | 1.40 | A | 0.06 | 0.80B |
Mechanical Properties:
Tensile strength min Mpa | 483 |
Yield strength min Mpa | 345 |
Elongation min % | 19A |
Manufacture:
Tubes are made by welded process.
Welded tubing shall be made from flat-rolled steel by the electric-resistance welding or electric-fusion welding process.
Workmanship, Finish, and Appeaerance:
All tubing shall be free from defects and shall have a workmanlike finish.
Surface imperfections shall be classed as defects when their depth the remaining wall thickness to less than90% of the specified nominal wall thickness.
Test and Inspection: