管道行业常用的缩写词（带英文原词）
在客户发给我们的管道物资询价中，经常会见到各种各样的缩写词，那么这些缩写词代表的意思是什么呢？以下这些缩写词是我们河北广浩管件有限公司北京办的销售人员在从业几年的基础上整理出来的，希望对刚入行的同仁有所帮助。欢迎在此基础上补充。
AISI - 美国钢铁协会American Iron and Steel Institute
ANSI - 美国国家标准委员会American National Standards Institute
ASME - 美国机械工程师学会American Society of Mechanical Engineers
API - 美国石油学会American Petroleum Institute
ASTM - 美国材料试验学会American Society for Testing Materials
AARH - 算数平均粗糙高度Arithmetical Average Roughness Height
AWWA - 美国自来水厂协会American Water Works Association
ASNT - 美国无损检测学会American Society For Nondestructive Testing
MSS-SP - 美国阀门及配件工业制造商标准化协会Manufacturers Standardization Society - Standard of Practice
AFC - 批准施工Approved For Construction
ASB - 石棉Asbestos
BB - 螺栓连接阀盖Bolted Bonnet
BC - 螺栓固定盖Bolted Cover
BE - 坡口Bevel Ends
BBE - 两端坡口Bevel Both Ends
BOM - 材料清单Bill of Materials
BW - 对焊Butt welding
CA - 腐蚀裕量Corrosion Allowance
CE - 碳当量Carbon Equivalent
CMTR - 材料测试证明Certified Materials Test Report
CL - 等级Class
CON - 同心的Concentric
CS - 碳钢Carbon Steel
CVN - 夏比V型缺口Charpy V-notch
DBB - 双阻塞双排放Double Block & Bleed
DI - 球墨铸铁Ductile Iron
D&S - 阀瓣和阀座Disc and Seat
DFT - 干膜厚度Dry Film Thickness
DRL - 双倍尺长度Double Random Length
DSS - 双相钢Duplex Stainless Steel
DWT - 落锤撕裂Drop-Weight Tear
ECC - 偏心的Eccentric
EFW - 电熔焊接Electric Fusion Weld
ELL - 弯头 Elbow
EPC - 设计、采购、施工（总承包）Engineering Procurement Construction
ERW - 电阻焊接Electric Resistance Weld
EW - 电阻焊或电感应焊接Electric Resistance or Electric Induction Welding Process
FBE - 熔接环氧粉末Fusion Bonded Epoxy
FCAW - 药芯焊丝气体保护焊Flux Cored Arc Welding
FF - 平面Flat Face
FFW - Field Fit Weld 现场定位焊接
FLEX - 弹性Flexible
FLG - 法兰Flange
FT - 英尺Feet
GALV - 镀锌Galvanized
GMAW - 气体保护焊Gas Metal Arc Welding
GTAW - 钨极气体保护焊Gas Tungsten Arc Welding
GO - 齿轮操作Gear Operated
GR - 等级Grade
GRVD - 沟槽的Grooved
GS - 镀锌钢Galvanized Steel
HAZ - 热影响区Heat-affected Zone
HEX - 六边的Hexagonal
HIC - 氢致裂纹Hydrogen-induced Cracking
HP - 高压High Pressure
HVY - 重型的Heavy
ID - 内径Inside Diameter
IN - 英寸Inch
IR - 内环Inner Ring
LJ - 搭接Lap Joint
LP - 低压Low Pressure
LR - 长半径Long Radius
LTCS - 碳钢（低温）Carbon Steel (Low Temperature)
MAX - 最大的Maximum
MAWP - 最大允许工作压力Maximum Allowable Working Pressure
MI - 可锻铸铁Malleable Iron
MIG - 金属惰性气体Metal Inert Gas
MIN - 最小的Minimum
MOD - 改进的Modified
MP - 中压Middle Pressure
MPI - 磁粉检测Magnetic Practice Inspection
MT - 磁粉检测Magnetic Particle Testing
MTC - 工厂测试报告Mill Test Certificate
MTO - 材料采购 Material Take-Off
N - 正火Normalizing
NACE - 美国腐蚀工程师协会National Association of Corrosion Engineer
NB - 名义孔径Nominal Bore
NBR - 丁晴橡胶Nitrile Butadient Rubber
NDE - 无损检测Non Destructive Examination
NPS - 公称管径Nominal Pipe Size
NPT - 国家锥管螺纹National Taper Pipe Thread
OR - 外环Outer Ring
OS&Y - 明杆支架Outside Screw and Yoke
OD - 外径Outside Diameter
PBE - 两端平口Plain Both Ends
PE - 平口Plain End
PED - 压力容器指令Pressure Equipment Directive
PMI - 材料可靠性鉴别Positive Material Identification
PQR - 焊接工艺评定记录Procedure Qualification Record
PSL - 产品规范等级Product Specification Level
PT - 渗透检测Penetrant Testing
PWHT - 焊后热处理Post Weld Heat Treatment
Q - 淬火Quenching
QAP - 质量保证计划Quality Assurance Planning
RB - 缩孔Reducing Bore
RF - 突面Raised Face
RJ - 环连接Ring Joint
RT - 射线检测Radiographic Test
RTJ - 环形连接Ring Type Joint
SAW - 埋弧焊Sub-merged Arc Welding
SAWH - 螺旋埋弧焊Submerged Arc Helical Welding
SAWL - 直缝埋弧焊Submerged Arc Longitudinal Welding
SCH - 计划表Schedule
SCRD - 螺纹的Screwed
SMAW - 手工电弧焊Shielded Metal Arc Welding
SMLS - 无缝的Seamless
SO - 滑套Slip On
SR - 短半径Short Radius
SRL - 单倍尺长度Single Random Length
SS - 不锈钢Stainless Steel
SSC - 硫化物应力腐蚀Sulphide Stress Corrosion
SST - 不锈钢Stainless STeel
STD - 标准Standard
SW - 承插焊Socket Weld
SWC - 阶梯开裂Stepwise Cracking
T - 回火Tempering
TIG - 钨极惰性气体Tungsten Inert Gas
TBE - 两端螺纹Threaded Both Ends
TPI - 第三方检验Third Party Inspection
UT - 超声检测Ultrasonic Testing
WN - 对焊Weld Neck
WPQ - 焊接技能评定Welder Performance Qualification
WPS - 焊接工艺规程Welding Procedure Specification
WT - 壁厚Wall Thickness
XS - 加强的Extra Strong
XXS - 特高强的Double Extra Strong