SGS carried out intergranular corrosion test to stainless steel elbows of Haihao Factory

Septermber 29th,inspector from SGS carried out the third party inspection to our stainless steel butt welding pipe fittings in Haihao Factory before shipment.

SGS Inspector Tested Our A403 WP321 Elbows

These pipe fittings will be used in high pressure condition,so clients required many strictly inspections.Besides the regular quality inspection such as,quantity check,packing check,marking check,dimensions testing and PMI testing according to ASME B16.9,the SGS laboratory also arranged the intergranular corrosion testing.(The standards and methods for intergranular corrosion test)

Haihao Stainless Steel Elbows Under Intergranular Corrosion Testing In SGS Lab

Elbow Samples For SGS Inspection From Our Fittings Order

Our ASTM A403 WP321 elbows was soaked into acid solutions for 20 hours,then bended the soaked elbows to check the intergranular attack situation.The testing is carried out as per ISO 3651 standard and the test result our pipe fittings from SGS lab are acceptable.Our butt welding pipe fittings contain: 45/90/180 degree elbow,concentric reducer,eccentric reducer,bends,caps,cross,coupling and so on.