
Pipe Schedules and Wall Thickness: A Practical Guide to ASME B36.10 and B36.19
How NPS, DN, outside diameter and schedule numbers fit together, the wall thicknesses behind Sch 40, 80, STD and XS, and...
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Selection guides, standards explained and procurement advice for piping materials and contracting in Saudi Arabia, written by the Al Safsaaf technical team.

How NPS, DN, outside diameter and schedule numbers fit together, the wall thicknesses behind Sch 40, 80, STD and XS, and...

How seamless, ERW, LSAW and spiral SAW pipe are made, the size and wall ranges each process covers, the ASME B31.3 weld...
Our team answers material and standards questions as part of quoting. Send the drawing or data sheet and we will respond.