API 6A 100000# WEKDING NECK

standard:American standards: ASME B 16.5 (150#,300# ,400#, 600#,900#,1500# -2500#) / B16.47A150#,300#,400#, 600# 900#& B(75# ,150# ,300# ,400# ,600#,900#) API 6A B.36, B.37, B.38,6BX B.42 B.43,B.44 sizes:1-13/16"-21-1/4" Material:A105/A694GR42/A694GR52/A694GR62/A694GR60/A694GR70 A182 F11/A182F5/A182F1/A182F12/SS304/SS304L/SS316/SS316L/SS321/F55/F53/F51 Surface Treatment :Anti-rust oilYellow,Galvanized,Black ,Epoxy Lined Flanges Standards: American standards: ASME B16.5 / B16.47A&B / B16.48 / AWWA/B16.36 German Standards: DIN 2527 / 2565 / 2566 / 2573 / 2576 / 2627/2628/2629 / 2630/2631/2632/2633/2634/2635/2636/2637/2638 / 2641 / 2642 / 2655 / 2656 / 2673 / 86029 / 86030/2501 Korea Standards: KS B1503 (/10K/20K/30K/40K) British Standards: BS 4504 / BS 10 Japanese Standards: JIS / JPI B2220 K/10K/16K/20K/30K/40K European Standards: EN 1092 Italian Standards: UNI 2253 / 2254 / 2276/2277/-2278 / 2281/2282/2283/2284 / 6086 / 6084 / 6089 European Standards: EN 1092 Competence, flexibility, active: This is our strength. Because of these characteristics, we will meet all the requirements. In addition to standard solutions outside, in accordance with the special requirements of customers to provide all of the flange. Non-Standard: Diameter below 3 meters and unit weight below 4 Mts.