Applicable standards:
1.Designed and manufactured as per API602
2.End connection
Butt-welding end dimensions as per ANSI B16.25
Socket-welding-end dimensions as per ANSI B16.11
Screw end dimensions as per GB/T12716-91
3.Inspection and test as per API 598 Structure:B.B; OS&Y Body material: A105; F11; F22; 304; 316;
304L; 316L; Alloy 20; Monel.