ASTM A672 Pipe is the standard specification for electric fusion welded steel pipe for medium temperature and high pressure applications. Pipes are widely used in oil and gas, power plants, boilers, ships and other industries due to their durability, corrosion resistance and dimensional accuracy. In this article, United Steel Industry will introduce you to the relevant content of ASTM A672 carbon steel welded steel pipe.
Specifications of ASTM A672 Pipes:
|
ASTM A672 Pipe Types |
Out diameter |
Wall thickness |
Length |
|
A672 Pipe Material (Custom Sizes) |
1/2" NB - 60" NB |
SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 |
Custom |
|
ASTM A672 Welded Pipe (in Stock + Custom Sizes) |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
ASTM A672 ERW Pipe (Custom Sizes) |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
ASTM A672 SAW Pipe |
16" NB - 100" NB |
As per requirement |
Custom |
Chemical Composition of ASTM A672 Pipe:
|
Specification |
Steel grade |
Chemical composition |
Remarks |
|||||
|
C |
Si |
Mn |
P |
S |
Ti |
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|
Pipes for pressure service |
-/A45 |
-/0.17 |
- |
0.98 |
0.035 |
0.035 |
- |
A672/ |
|
-/A50 |
-/0.22 |
- |
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|
CA55/A55 |
0.28 |
- |
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|
B55 |
-/0.20 |
0.13 |
||||||
|
CB60/B60 |
0.24 |
|||||||
|
CB65/B65 |
0.28 |
|||||||
|
CB70/C70 |
0.31 |
1.30 |
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|
C55 |
-/0.18 |
0.55 |
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|
CC60/C60 |
0.21 |
|||||||
|
CC65/C65 |
0.24 |
0.79 |
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|
CC70/C70 |
0.27 |
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Mechanical Properties of ASTM A672 Pipe:
|
ASTM A672 Steel Pipe Properties |
Steel Grade |
BASE METAL MECHANICAL COMPOSITION |
Welding point tensile strength (N/mm2) |
Remarks |
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|
Yield point (N/mm2) |
Tensile Stregth (N/mm2) |
Test Pieces |
Elongation (%) |
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|
Pipes for pressure service ASTM A672 |
-/A45 |
-/165 |
-/310~450 |
- |
-/30 |
-/310~450 |
A672/ A672 |
|
-/A50 |
-/185 |
-/345~485 |
-/28 |
-/345~485 |
|||
|
CA55/A55 |
205 |
380~515 |
27 |
380~515 |
|||
|
B55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
|||
|
CB60/B60 |
220 |
415~550 |
25 |
415~550 |
|||
|
CB65/B65 |
240 |
450~585 |
23 |
450~585 |
|||
|
CB70/C70 |
260 |
485~620 |
21 |
485~620 |
|||
|
C55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
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|
CC60/C60 |
220 |
415~550 |
25 |
415~550 |
|||
|
CC65/C65 |
240 |
450~585 |
23 |
450~585 |
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|
CC70/C70 |
260 |
485~620 |
21 |
485~620 |
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United Steel Industry As the most important steel pipe manufacturer and exporter in China, in the past 20 years, we have completed more than 100 projects, with partners in more than 100 countries, and established relationships with oil and gas and EPC companies in many countries business relationship.
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