1）产品名称：法兰
2）材质：304, 316, 304L, 316L 10# 20# A3 Q235A 20g 20G 16Mn ASTM A234 ASTM A105 ASTM A40316MnR Cr5Mo 12Cr1MoV 10CrMo910 15CrMo 12Cr2Mo1 A335P22 St45.8/Ⅲ
3）直径：Φ18-Φ2200
4）标准：GB/T9113~GB9124, GB/T13402—1992 , JB/T79, JB/T82,HHG20592-HG20623, ANSI B16.5, ANSI B16.25MSS SP44, API 605—1998,JIS, ASME,DIN