I would like to ask whether the inner and outer wall thicknesses as well as the outer side wall thickness at the end joint of the elbow are different or the same?

2016-08-05View Original

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Clause 3.31 of SH3408 requires that the outer diameter and wall thickness of the pipe fittings’ ends meet the specifications in SH3405, and this applies only to the ends. The common seamless elbow manufacturing processes used by elbow producers include hot-pushed elbows, stamped elbows, extruded elbows, and butt-welded elbows. So, aside from the ends, are the inner and outer wall thicknesses of elbows produced by different manufacturing methods different or the same?

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I would like to ask whether the inner and outer wall thicknesses as well as the outer side wall thickness at the end joint of the elbow are different or the same?

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