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Pipe Color Code Standard | ASTM A234 butt weld pipe fittings,A182 forged pipe fittings,B16.5 weld neck flange,API 5L seamless pipes
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Bend Carbon Steel Per ASTM A53 Grade B Type E Standard Weight Buttweld End 90 Degree Per Pipe Fabrication Institute Pfi Es-24 Per ASME B16.25 3 Diameter
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