March 7, 2023
ASTM A672 Grade B70 Pipe is a low carbon steel pipe that is meant for high pressure applications at moderate temperatures. The specification has electric fusion welded pipes. GNEE is a leading manufacturer and supplier of the ASTM A672 Grade B70 Pipe in various dimensions and grades. The pipes are made from pressure vessel grade plates by welding them with filler materials under electric fusion welding.
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Products
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Steel Grade
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BASE METAL MECHANICAL COMPOSITION
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Welding point tensile strength (N/mm2)
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Remarks
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Yield point (N/mm2)
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Tensile Stregth (N/mm2)
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Test Pieces
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Elongation (%)
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Pipes for pressure service ASTM A672
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-/A45
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-/165
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-/310~450
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-
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-/30
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-/310~450
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A671/ A672
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-/A50
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-/185
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-/345~485
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-/28
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-/345~485
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CA55/A55
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205
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380~515
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27
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380~515
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-/B55
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-/205
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-/380~515
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-/27
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-/380~515
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CB60/B60
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220
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415~550
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25
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415~550
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CB65/B65
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240
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450~585
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23
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450~585
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CB70/B70
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260
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485~620
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21
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485~620
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-/C55
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-/205
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-/380~515
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-/27
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-/380~515
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CC60/C60
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220
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415~550
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25
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415~550
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CC65/C65
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240
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450~585
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23
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450~585
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CC70/C70
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260
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485~620
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21
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485~620
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