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:: SA193 B7 Stud Bolts :: A SA51670,A SA51570,ST523 SA193 B7 Stud Bolts : SA193 Grade B7 Stud Bolt,Hex Bolt,Threaded Bar,Threaded Rod Inspection & Approval Certifies: EN10204 3.1 DIN 50049 3.1 ISO 10474 3.1 Mill Test Certifie,NACE MR0175 ISO 15156,CE Marked,European Pressure Equipment Directive PED97 23 EC, ASTM A307 …Web
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