ASTM A672 Welded Steel Tube
ASTM A672 EFW pipe is essentially electrofusion welded steel pipe with filler metal made from high quality materials. ASTM A672 has high corrosion resistance, which helps the pipe easily withstand high temperatures and pressures without damage.
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ASTM A672 Welded Steel Pipe
Products Description
ASTM A672 longitudinal submerged arc welded steel pipe adopts hot rolling process and can undergo heat treatment methods such as standardization, quenching, sterilization, and constant temperature. The chemical composition of ASTM A672 pipe material is a maximum of 0.25 carbon, 0.98 manganese, 0.64 molybdenum, and 0.45 silicon.
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Brand Name |
GNEE |
|
Thickness |
1-200mm |
|
Standard |
ASTM, ASTM A53/A139/A500/A252/A671/A672 |
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Technique |
ERW |
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Grade |
Q235A,Q235C,Q235B,16Mn,20# |
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Processing Service |
Welding, Punching, Cutting, Bending, Decoiling |
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Length |
12M, 6m, 6.4M, Customized Length |
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Standard |
BS, ASTM, GB or Custom |
|
Thickness |
1-200mm or Custom |
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Technique |
ERW |
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MOQ |
1 Ton |
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Packing |
Bulk or Bundles |
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Material |
|
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Usage |
Construction Structure |
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Tolerance |
±1% |
ASTM A672 Welded Pipe
a672 pipe Size Table:
| Size (Outer Diameter x Wall Thickness) | Common Applications |
|---|---|
| 8" x 0.375" | High-pressure pipelines |
| 10" x 0.5" | Power generation facilities |
| 12" x 0.625" | Oil and gas transmission |
| 16" x 0.75" | Chemical processing plants |
Chemical Requirements of ASTM A672 erw black pipe:
| Specification | Steel grade | Chemical composition | Remarks | |||||
| C | Si | Mn | P | S | Ti | |||
| Pipes for pressure service ASTM A671, A672 |
-/A45 | -/0.17 | - | 0.98 | 0.035 | 0.035 | - | A671/ A672 |
| -/A50 | -/0.22 | - | ||||||
| CA55/A55 | 0.28 | - | ||||||
| -/B55 | -/0.20 | 0.13 ~0.45 |
||||||
| CB60/B60 | 0.24 | |||||||
| CB65/B65 | 0.28 | |||||||
| CB70/C70 | 0.31 | 1.30 | ||||||
| -/C55 | -/0.18 | 0.55 ~0.98 |
||||||
| CC60/C60 | 0.21 | |||||||
| CC65/C65 | 0.24 | 0.79 ~1.30 |
||||||
| CC70/C70 | 0.27 | |||||||
Mechanical Properties of ASTM A672 black welded steel pipe:
| Products | Steel Grade | BASE METAL MECHANICAL COMPOSITION | Welding point tensile strength (N/mm2) | Remarks | |||
| Yield point (N/mm2) | Tensile Stregth (N/mm2) | Test Pieces | Elongation (%) | ||||
| Pipes for pressure service ASTM A671, A672 | -/A45 | -/165 | -/310~450 | - | -/30 | -/310~450 | A671/ 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/B70 | 260 | 485~620 | 21 | 485~620 | |||
| -/C55 | -/205 | -/380~515 | -/27 | -/380~515 | |||
| CC60/C60 | 220 | 415~550 | 25 | 415~550 | |||
| CC65/C65 | 240 | 450~585 | 23 | 450~585 | |||
| CC70/C70 | 260 | 485~620 | 21 | 485~620 | |||
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