What are the details to be aware of when buying stainless steel elbows?

As a manufacturer of carbon steel pipe fittings, we can also supply conventional stainless steel elbows, and we can produce stainless steel elbows with different curvature radius according to the drawings provided by customers. Here, we should remind customers to pay attention to some details when purchasing stainless steel elbows.

The problem:
1. Stainless steel elbow shape, nominal diameter (inner diameter Di, outer diameter OD), thickness, straight edge height, material, groove, quantity;
2. Execution criteria: ASME, DIN, JIS, and according to requirement
3. Stainless steel elbow use and storage medium; 4. Stainless steel elbow design requires minimum thickness: please provide the minimum thickness of the stainless steel elbow required by the design;
5. Stainless steel elbow material requirements: re-inspection, UT inspection, normalizing, corrosion test;
6. Stainless steel elbow welding: welding seam location, welding test panel, weld seam are all smoothed;

7. Material supply: Please use the special materials for the curved elbow.
8. Stainless steel elbow heat treatment: purpose, process requirements;
9. Alignment reference of stainless steel elbow: the alignment of the elbow and the cylinder is aligned with the inner or outer circle, and the corresponding tolerance
10. Non-destructive testing of stainless steel elbow: method, location, qualification level
11. Supervision: Whether it is necessary to supervise and inspect the inspection and supervision of the inspection unit, please clearly indicate the supervision process
12. Stainless steel elbow quality witness information: number of copies
13. Provide stainless steel elbow processing drawings
14. Mark: label, stamp
15. Stainless steel elbow delivery location: self-lifting; agent consignment, please specify the delivery location
16. Delivery time: Please set a reasonable delivery date