管道材料表中的英文缩写.doc

,.管道材料表中的英文缩写ANSIAMERICAN NATIONALSTANDARDINSTITUTE美国国家标准委员会APIAMERICANPETROLEUMINSTITUTE美国石油学会ASMEAMERICANSOCIETYOFMECHANICALENGINEERS美国机械工程师协会ASTMAMERICANSOCIETYOFTESTINGANDMATERIAL美国材料试验协会BBbolted bonnet螺栓连接的阀盖BCbolted cover螺栓连接的阀帽BGbolted gland螺栓连接的填料压盖BEbeveled end坡口端面BLEbevel large end大端坡口BWbutt welding对焊C.A.corrosion allowance腐蚀裕量CLclass压力等级CALCcalculation计算(壁厚)COMGcorrugated metal gasket金属波齿垫片CONconcentric同心CScarbon steel碳钢DNnominal diameter 公称直径DSAWdouble submerged arc weld双面埋弧焊ECCeccentric偏心EFWelectric fusion welding电熔焊FIRE-Sfire safe防火安全（密封）结构FFflat face全平面FLGflange法兰GALVgalvanized镀锌的GRAFgraphite石墨GRgrade等级HBbrinnel hardness number布氏硬度HEXhexagonal六角HTheating treatment热处理IRinner ring内定位环Llarge大端（母管）LRlong radius长半径MMmilimeter毫米MFFmale and famale face凹凸面NPTnational standard taper pipe thread60锥管螺纹OCRoctagonal ring gasket 八角环形垫片O.D.outside diameter外径ORouter ring外定位环OS&Youtside screw and yoke明杆支架型PBEplain both ends两端平口PEplain end平口PLslip-on welding plate 板式平焊PPLpolyphenyl对位聚苯PSBpressure seal bonnet压力密封阀盖PSEplain small end小端平口PWHTpost weld heat treatment焊后热处理Rtaper pipe external thread55锥管外螺纹RCtaper pipe internal thread55锥管内螺纹REDreduced异径的RFraised face突面RJring joint face环连接面TBthreaded bonnet螺纹连接的阀盖TBEthreaded both ends两端螺纹TEMPtemperature温度TFWTtolerance of wall thickness壁厚偏差THRthread螺纹TOEthreaded one end一端螺纹TRI-ECCThr-eccentric三偏心TSEthreaded small ends小端螺纹Ssmall小端（支管）SAWsubmerged arc weld埋弧焊SCHschedule壁厚等级SMLSseamless 无缝的SOslip-on平焊S-OUTsteam-out吹扫孔SRstress relief应力消除SRshort radius短半径STLstellite司太立合金SSstainless steel不锈钢SWsocket we