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especification ASME SA-234 WP 22 versus ASME SA-182 F22

especification ASME SA-234 WP 22 versus ASME SA-182 F22

especification ASME SA-234 WP 22 versus ASME SA-182 F22

(OP)
someone can tell me the difference between the specification ASME SA-234 WP 22 and ASME SA-182 F22?
and if I can use the change of specification of the SA-182 SA-234 F22 by WP22 for a return of a coil of a primary reformer in ammonia plant (operating at a temperature of 500 ° c)

RE: especification ASME SA-234 WP 22 versus ASME SA-182 F22

The difference is in product form.
You may change the specification according to the type of fittings you intend to use.

If your design is based on ASME B16.9 butt welding fittings, you will be able to find it acc. to SA-234

SA-234: SPECIFICATION FOR PIPING FITTINGS OF WROUGHT CARBON STEEL AND ALLOY STEEL FOR MODERATE AND HIGH-TEMPERATURE SERVICE

If your design is based on ASME B16.11 socket weld / threaded forged fittings, and /or ASME B16.5 piping flanges / flanged fittings, you will be able to find it acc. to SA-182

SA-182: SPECIFICATION FOR FORGED OR ROLLED ALLOY AND STAINLESS STEEL PIPE FLANGES, FORGED FITTINGS, AND VALVES AND PARTS FOR HIGH TEMPERATURE SERVICE

RE: especification ASME SA-234 WP 22 versus ASME SA-182 F22

I would suggest you review both material specifications side by side to ensure all requirements are compared. The main difference is SA 182 is seamless because the fitting can be machined from rolled bar or a forging. SA 234 can be supplied as seamless or long seam welded.

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