galvanized steel tube flang Size: from 1/2 to 200 inch (DN15-DN6000) ... , BS, JIS, EN, JB, GB, HG, UNI, API galvanized steel tube flang Technics: Forged Size: from 1/2 to 200 inch ... , E, H Carbon Steel Flange Non Standard: According to the drawing size from 10mm to 5000mm, weight from 0.5kg to ...