Hi,
-- To qualify a base metal thickness for 15 to 19 mm for construction code as per ASME B31.3, is it possible to qualify with a pipe coupon 24" x sch-80 (30.96 mm machined to 30 mm) (Due to material availabilty).
As per construction code above 19 mm, PWHT is required. Since this PQR is being qualified for base metal thickness from 15 mm to 19 mm, No PWHT will be done.
Can u clarify plz, will it be correct to choose this material. Also, can we achieve Hardness less than 248 HV10.
--
Regards
Yoganandhan.P
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