What does stainless steel seamless elbow/90D/WP304L 1/2” S/160 LR stand for?

2023,4, 21

Do you know what the /90D/WP304L 1/2” S/160 LR BE of stainless steel seamless elbows mean? Licheng Steel Industry is here to answer your doubts today!
①90D means 90 degrees
②WP304L indicates that the grade of the material is 304L
③1/2″ means the nominal diameter is DN15 and the outer diameter is 21.3
④S/160 means the pressure is sch160
⑤LR means long radius elbow

What testing items should be done before the stainless steel seamless elbow leaves the factory?
How about the surface treatment of stainless steel seamless elbows? !

What does stainless steel seamless elbow/90D/WP304L 1/2” S/160 LR stand for?

2023,4, 21

Do you know what the /90D/WP304L 1/2” S/160 LR BE of stainless steel seamless elbows mean? Licheng Steel Industry is here to answer your doubts today!
①90D means 90 degrees
②WP304L indicates that the grade of the material is 304L
③1/2″ means the nominal diameter is DN15 and the outer diameter is 21.3
④S/160 means the pressure is sch160
⑤LR means long radius elbow

What testing items should be done before the stainless steel seamless elbow leaves the factory?
How about the surface treatment of stainless steel seamless elbows? !