ASTM A139 grade D welded steel pipe heat treatment
A139 grade D chemical composition
Element |
Carbon |
Manganese |
Phosphorus |
Sulfur |
|
Grade D |
0.30 |
1.30 |
0.035 |
0.035 |
ASTM A139 grade D welded steel pipe/tube mechanical properties
|
|
Grade D |
|
Tensile strength, min, ksi (MPa) |
60 (415) |
|
Yield strength, min, ksi (MPa) |
46(315) |
|
Elongation in 2 in. or 50 mm, min, %: |
|
|
Basic minimum elongation for walls5 |
23 |
|
thickness, longitudinal strip tests |
|
|
For longitudinal strips tests, a deduction for each1 |
1.50 |
|
decrease in wall thickness below5 |
|
|
Elongation in 8 in. (203.2 mm), in min, % |
1 500 000 specified tensile strength (psi) |
The size of ASTM A139 Grade D steel pipe/tube
ERW; outer diameter:21.3-660mm thickness:6-25mm
LSAW; outer diameter:325-1524mm thickness:6-50mm
SSAW: outer diameter:219-3200mm thickness:5-25mm
ASTM A139 Grade D steel pipe technology
1.Hot rolled
2.Hot expanded
3.Cold Drawn
4.Cold rolled
As a The size of ASTM A139 Grade D steel pipe manufacturer, we usually keep hundreds tons The size of ASTM A139 Grade D steel pipe in stock each month. Based on these stock source, our advantage has spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, welding. We can also provide the The size of ASTM A139 Grade D steel pipe in machining parts and steel structure.
