ASTM A106/A106M standard covers A106 Grade B seamless carbon steel pipe for high-temperature service in specification NPS 1 ⁄ 8 - 48 (DN 6 -1200mm) inclusive, with nominal (average) wall thickness as given in ASME B 36.10M. Generally, this kind of seamless pipe is used for high-temperature and high-pressure pipelines.
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Cu |
Mo |
Ni |
V |
A106Gr.B |
0.30 |
0.29-1.06 |
0.035 |
0.035 |
0.1 |
0.4 |
0.4 |
0.15 |
0.40 |
0.08 |
Unless otherwise specified by the purchaser, for each reducion of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.65%. Cr,Cu,Mo,Ni,V five elements combined shall not exceed 1%.
Mechanical Properties of A106 Grade B seamless pipes
Grade |
- |
Tensile Strength |
Yield Strength |
Elongation |
|
Full size strip |
Specimen |
||||
A106Gr.B |
Longitudinal |
60000 |
35000 |
30 |
22 |
Transverse |
16.4 |
12 |
If there is no specificed demands for pipe end from buyer, the Pipe shall be made end as below:
Outer Diameter |
Wall Thickness |
Pipe End |
≤NPS 1-1/2[DN 40] |
All |
plain-end square cut, or plain-end beveled |
≥NPS 2 [DN 50] |
walls through extra strong weights |
plain-end-beveled |
≥NPS 2 [DN 50] |
Walls over extra strong weights |
plain-end square cut |
A106 Grade B seamless carbon steel pipe product is within 30days for the purchasing and production time with container order and some days for the sample.
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