管道壓力等級編號規(guī)則.docx

管線壓力等級及材料等級代號管道壓力等級編碼規(guī)則一、 采用四位編碼組合成管道壓力等級，四位編碼由字母和數(shù)字組成。PIPING PRESSURE RATING IS COMPOSED OF FOUR CODING, WHICH INCLUDES THREE LETTERS AND ONE DIGIT.第一位表示：壓力等級，用字母A、B、C等表示。1st CHARACTER:PRESSURE RATING,USING A,B,C,AND SO ON第二位表示：主體材料，用數(shù)字1、2、3、4表示。2nd CHARACTER:MATERIAL TYPE,USING 0,1,2AND SO ON第三位表示：材料的等級，用字母A、B、C等表示。3rd CHARACTER: DETAIL MATERIAL,USING A,B,C AND SO ON第四位表示：特殊要求，用字母A、B、C等表示。4th CHARACTER: SPECIAL REQUIREMENTS,USING A,B,CAND SO ON二、 PRESSURE RATING CODE/壓力等級編碼表G G G G SPECIAL REQUIREMENTS/特殊要求 DETAIL MATERIAL /材料等級 MATERIAL TYPE /主體材料 PRESSURE RATING/壓力級別1. PRESSURE RATING/壓力等級A 150LbB 300LbC 400LbD 600LbE 900LbF 1500LbG 2500LbH API2000psiI API3000psiJ API5000psiK API10000psiM 125LbP 75LbO NORMAL ATMOSPHERE/常壓 2.MATERAIL TYPE/主體材料 0NONMETAL/非金屬 1ALLOY STEEL/合金鋼2CARBON STEEL/碳鋼3CRYOGENIC CARBON STEEL/低溫碳鋼 4STAINLESS STEEL/不銹鋼 5DUPLEX STAINLESS STEEL/雙相不銹鋼 6COPPER-NICKLE ALLOY/銅鎳合金 7COPPER/銅 8STANDBY/備用 3.DETAIL MATERIAL/材料等級NONMETALAABSDPBGGRE(IMO 753 L3)BPE(HDPE)ESRPE(HDPE)HGRE(UK 00A)CCPVCFGREISTANDBYALLOY STEELA35CrMoBSTANDBYCARBON STEELAA106 Gr B/20 API 5L Gr BA53 Gr B1.5mm CORROSION ALLOWANCEEAPI 5L Gr X42IAPI 5L Gr X75BA106 Gr B/20 API 5L Gr BA53 Gr B3mm CORROSION ALLOWANCEFAPI 5L Gr X52JSTANDBYCA106 Gr B /20 API 5L Gr BA53 Gr B4.5mm CORROSION ALLOWANCGAPI 5L Gr X65DA106 Gr B /20 API 5L Gr BA53 Gr B6mm CORROSION ALLOWANCHAPI 5L Gr X70CRYOGENIC CARBON STEELAA333 Gr3CA333 Gr6FSTANDBYBA333 Gr4E16MnSTAINLESS STEELA316L/OOCr17Ni14Mo2D304/00Cr18NiGSTANDBYB316/0Cr17Ni12Mo2E321/0Cr18Ni11TiC304L/OOCr19NiF317/0Cr19Ni13Mo3DUPLEX STAINLESS STEELAS31803BS32750CSTANDBYCOPPER-NICKLE ALLOYA90-10CuNiC70-30CuNiESTANDBYB80-20CuNiDSTANDBYCOPPERAALUMINUM BRONZECSILICON BRONZEESTANDBYBRED BRASSDSTANDBYNOTE:1 GRE(IMO 753 L3) IS APPLIED TO WET-PIPE IN FIRE SYSTEM. 2 GRE(UK 00A) IS APPLIED TO DRY-TYPE FIRE SYSTEM. 4.SPECIAL REQUIREMENT/特殊要求 HTEMPERATURE 180/用于溫度180以上 GCARBON STEEL GALVANIZED OR HOT-DIP GALVANIZED/碳鋼鍍鋅或熱浸鋅 PCARBON STEEL RESIN-COATED /碳鋼涂塑 ECARBON STEEL EPOXY-COATED/碳鋼涂環(huán)氧 NACCORDANCE TO NACE/滿足NACE要求 LCRYOGENIC/低溫 RCARBON STEEL CAOTING RUBBER/碳鋼襯橡膠 ZNO SPECIAL REQUIREMENT /無特殊要求EXAMPLE