... steel flange, stainless steel flange,alloy steel flange 2) standard ASME,ANSI,API,JIS, 3) OD 1/2"-48" 1) carbon steel flange, stainless steel flange,alloy steel ... advanced standard.The test items include X-ray defect detection,magnetic detection,metallographic analysis,chemical testing,mechanical performance testing,impact ... control etc. 150# 300# 400# 600# 900# 1500# 2500# STAINLESS STEEL FLANGE