凸面板式平焊钢制管法兰
板式平焊法兰密封面
平面(FF)\突面(RF)
生产材料
碳钢(Carbon Steel):ASTM A105,20#\Q235\16Mn\ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2、ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;
不锈钢(Stainess Steel): ASTM A182 F304\304L\F316\316L\1Cr18Ni9Ti\0Cr18Ni9Ti\321\18-8;
合金钢(Alloy Steel): ASTM A182 F1\F5a\F9\F11\F12\F22\F91\A182F12\A182F11\16MnR\Cr5Mo\12Cr1MoV\15CrMo\12Cr2Mo1\A335P22\St45.8/Ⅲ;
法兰适用标准
化工部HG20593-1997\国标GB/T9119-2000