A334 Grade 9 Carbon and Alloy-Steel Tubes Application
ASTM A334 Grade 9 material chemical composition
Element |
Carbon, max |
Manganese |
Phosphorus, max |
Sulfur, max |
Silicon |
Nickel |
Chromium |
Copper |
Aluminum |
|
Grade 9 |
0.20 |
0.40–1.06 |
0.025 |
0.025 |
|
1.60–2.24 |
|
0.75–1.25 |
|
A334 Grade 9 Carbon and Alloy-Steel Tubes/pipes mechanical properties
|
|
Grade 9 |
|
|
|
ksi |
MPa |
|
Tensile Strength, min |
63 |
435 |
|
Yield Strength, min |
46 |
315 |
|
Elongation in 2 in. or 50 mm (or 4D), min, %: |
|
|
|
Basic minimum elongation for walls 5 / 16 in. [8 mm] and over in thickness, strip tests, and for all small sizes tested in full section |
28 |
|
|
When standard round 2-in. or 50 mm gage length or proportionally smaller size specimen with the gage length equal to 4D(4 times the diameter) is used |
-- |
|
|
For strip tests, a deduction for each 1 / 32 in. [0.8 mm] decrease in wall thickness below 5 / 16 in. [8 mm] from the basic minimum elongation of the following percentage Points |
1.50B |
|
A334 Grade 9 Carbon and Alloy-Steel Tubes Surface
Galvanized ,black painting,oil painting or as per customers’ requirements
A334 Grade 9 Carbon and Alloy-Steel Tubes Dimension
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
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