... delivery 3.Had been approved by ASTM 1. Name:316l stainless steel flange2. Type: PL,SO,WN,SW3.Wall Thickness: ... GB,DIN,EN,JIS, etc7. Grade: 304,304L,316,316L,317, 317l ,321,309S,310S8. Application range: it is ... and Service for Customer.We are pleased to find new partners and hope to establish long-term business relationships ... feel free to contact us for more information. 316L stainless steel flange