ASME SA672/SA672M
ASTM A672 Standard Specification for Electric-Fusion-Welded Steel Pipe for High Pressure Service at Moderate Temperature covers electrical-fusion-welded steel pipe for high-pressure service at moderate temperature. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements.
Specification：
Types :EFW (Electric Fusion Welded Pipes)
EFW Pipes: 6" NB - 24" NB
Outer Diameter Size : 16" NB To 100" NB (Nominal Bore Size)
Wall Thickness : Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size
Pipe Ends : Plain Ends / Beveled Ends / threaded Ends/ Coupling
Delivery Conditions : As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered - BR / N / Q /T
Packaging : Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
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Sr No |
DESCRIPTION |
GRADE |
SIZE RANGE |
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A |
ASTM A672 EFW / WELDED PIPES |
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1 |
Carbon Steel ASTM A672 EFW Pipes |
ASTM A672 |
1/2″ – 24″ |
|
2 |
Carbon Steel ASTM A672 Black & Galvanized Pipes |
ASTM A672 |
1/2″ – 16″ |
CHEMICAL COMPOSITION
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Specification |
Steel grade |
Chemical composition |
Remarks |
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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 |
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CB60/B60 |
0.24 |
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CB65/B65 |
0.28 |
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CB70/C70 |
0.31 |
1.30 |
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-/C55 |
-/0.18 |
0.55 |
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CC60/C60 |
0.21 |
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CC65/C65 |
0.24 |
0.79 |
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CC70/C70 |
0.27 |
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MECHANICAL PROPERTIES
|
Products |
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 |
|
-/A50 |
-/185 |
-/345~485 |
-/28 |
-/345~485 |
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CA55/A55 |
205 |
380~515 |
27 |
380~515 |
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-/B55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
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CB60/B60 |
220 |
415~550 |
25 |
415~550 |
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CB65/B65 |
240 |
450~585 |
23 |
450~585 |
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CB70/B70 |
260 |
485~620 |
21 |
485~620 |
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-/C55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
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CC60/C60 |
220 |
415~550 |
25 |
415~550 |
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CC65/C65 |
240 |
450~585 |
23 |
450~585 |
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CC70/C70 |
260 |
485~620 |
21 |
485~620 |
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