... Co.,Ltd. We are sincerely hope to establish business relations with you.We are a large -scale ... ,AND SO ON.(carbon steel seamless pipe,ERW weld ,spiral pipe seamless pipe, flange,elbow,galvanized ... pipe as your requirement.Name:Flanges, Built to Different JIS Standards, Available in Various MaterialsRaw ... steel 304, 304L, 316, 316L and 321Size: 10 to 1200ABuilt to JIS standards 5K, 10K, 20K, 30K, 40K, ...