... .Standard:ASME/GOST/DIN/JIS/BS etc Specifications1. a105 carbon steel plate flanges 2. Material:Carbon Steel Material: A105 A105N A106 Q235 etc.3. Standard ... , FM ,RTJ,RJ ,MALE ,FEMALE and so on .8. Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction ... .We warmly welcome you visit our factory any time ! a105 carbon steel plate flanges