Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most credible manufacturers and suppliers of efw pipe in China. Please feel free to wholesale customized efw pipe at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
Tensile Requirements of Production Welds
Reduced-section tension test specimens taken perpendicularly across the weld in the pipe,with the weld reinforcement removed,shall show a tensile strength not less than 95% of the minimum specified in Section 7.At the manufacturer's option,the test may be made without removing the weld reinforcement,in which case the tensile strength shall be not less than that specified in Section 7.
Heat Analysis
An analysis of each heat of steel shall be made by the manufacturer to determine the percentages of the elements specified in Section 6.This analysis shall be made from a test ingot taken during the pouring of the heat.When requested by the purchaser,the chemical composition thus determined shall be reported to the purchaser or his representative,and shall conform to the requirements specified in Section 6.
Inspection
1.The insoector representing the purchaser shall have entry,at all times while work on the contract of the purchaser is being performed,to all parts of the manufacturer's works that concern the manufacture of the material ordered.The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specification.All tests and inspection shall be made at the place of manufacture prior to shipment and,unless otherwise specified,shall be so conducted as not to inerfere unnecessarily with the operation of the works.If agreed upon,the manufacturer shall notify the purchaser in time so that he may have his inspector present to witness ant part of the manufacture or tests that may be desired.
2.Certification--------Upon request of the purchaser in the contract or order,a manufactuier's certification that the material was manufactured and tested in accordance with this specification together with a report of the chemical and tensile tests shall be furnished.
Hot Tags: efw pipe, China efw pipe manufacturers, suppliers, Carbon Steel Pipe for Carbon Steel Fittings, Carbon Steel Pipe for Gas Distribution Systems, Carbon Steel Pipe for Pharmaceutical Pipelines, Hot Rolled Carbon Steel Pipe, mild steel gas pipe, mild steel tubing suppliers
