طريقة لحام خطوط الأنابيب السميكة ذات الضغط العالي ASTM A335 P91

A method for welding high-pressure thick-walled pipelines of domestic A335 P91 steel: المجال التقني – The present invention pertains to the field of welding technology, particularly relating to a method for welding high-pressure thick-walled pipelines of domestic A335 P91 steel. We have Largest inventory of ASTM A335 P91 Alloy Steel Seamless Pipe Alloy Steel Pipe A 335 ص91: الحجم : 1/2″ إلى 24 “IN OD & NB Schedule: SCH20, Sch30, Sch40.
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