As a manufacturer specializing in the production of stainless steel elbows, you can produce conventional stainless steel elbows, or you can produce stainless steel elbows with different curvature radii according to the drawings provided by customers, so here we should remind customers to pay attention to some details when buying stainless steel elbows Questions, let’s introduce them in detail below:

　　 1. Stainless steel elbow shape, nominal diameter (inner diameter Di, outer diameter OD), thickness, straight edge height, material, groove, quantity;

　　2. Executive standard: GB/T12459-2005 "Seamless Elbow Fittings" Executive Standard; GB/T13401-2005 "Butt Welding Elbow Fittings";

　　 3. Use of stainless steel elbow and storage medium;

　　4. The design of stainless steel elbow requires smaller thickness: please provide the smaller thickness of stainless steel elbow required by the design;

　　5. Material requirements for stainless steel elbows: re-inspection, UT inspection, normalizing, corrosion test;

　　6. ​​Welding of stainless steel elbows: whether the position of the welding seam, the welding test plate, and the welding seam are all ground;

　　7. Material supply: Please use special materials for simmering elbows first;

　　 8. Heat treatment of stainless steel elbow: purpose, process requirements;

　　9. Alignment standard of stainless steel elbow: whether the simmering elbow and the cylinder are aligned on the inner circle or the outer circle, and the corresponding tolerance

　　10. Non-destructive testing of stainless steel elbows: method, location, qualification level

　　11. Supervisory inspection: Whether inspection and production supervision by the supervisory inspection unit are required, please clearly indicate the supervision process

　　12. Quality witness data for stainless steel elbow: number of data

　　 13. Provide stainless steel elbow processing drawings

　　14. Marking: label, steel seal

　　15. Delivery location of stainless steel elbow: self-pick; please specify the delivery location for consignment agent

　　 16. Delivery date: Please set a reasonable delivery date.