Common Abbreviations Used in the Plumbing Industry

Mar 25, 2024

  • AISI - American Iron and Steel Institute
  • ANSI - American National Standards Institute
  • ASME - American Society of Mechanical Engineers
  • API - American Petroleum Institute
  • ASTM - American Society for Testing Materials
  • AARH - Arithmetical Average Roughness Height
  • AWWA - American Water Works Association
  • ASNT - American Society For Nondestructive Testing
  • MSS-SP - Manufacturers Standardization Society - Standard of Practice
  • AFC - Approved For Construction
  • ASB - Asbestos
  • BB - Bolted Bonnet
  • BC - Bolted Cover
  • BE - Bevel Ends
  • BBE - Bevel Both Ends
  • BOM - Bill of Materials
  • BW - Butt welding

seamless carbon steel pipe

  • CA - Corrosion Allowance
  • CE - Carbon Equivalent
  • CMTR - Certified Materials Test Report
  • CL-Class
  • CON - Concentric
  • CS - Carbon Steel
  • CVN - Charpy V-notch
  • DBB - Double Block & Bleed
  • DI - Ductile Iron
  • D&S - Disc and Seat
  • DFT - Dry Film Thickness
  • DRL - Double Random Length
  • DSS - Duplex Stainless Steel
  • DWT - Drop-Weight Tear
  • ECC - Eccentric
  • EFW - Electric Fusion Weld
  • ELL -  Elbow
  • EPC - Engineering Procurement Construction
  • ERW - Electric Resistance Weld
  • EW - Electric Resistance or Electric Induction Welding Process
  • FBE - Fusion Bonded Epoxy
  • FCAW - Flux Cored Arc Welding
  • FF - Flat Face
  • FFW - Field Fit Weld
  • FLG - Flange
  • FT -Feet

CS Pipe

  • GALV - Galvanized
  • GMAW - Gas Metal Arc Welding
  • GTAW - Gas Tungsten Arc Welding
  • GO -Gear Operated
  • GR - Grade
  • GRVD - Grooved
  • GS - Galvanized Steel
  • HAZ - Heat-affected Zone
  • HEX - Hexagonal
  • HIC - Hydrogen-induced Cracking
  • HP - High Pressure
  • HVY - Heavy
  • ID - Inside Diameter
  • IN - Inch
  • IR - Inner Ring
  • LJ - Lap Joint
  • LP - Low Pressure
  • LR - Long Radius
  • LTCS - Carbon Steel (Low Temperature)
  • MAX - Maximum
  • MAWP - Maximum Allowable Working Pressure
  • MI - Malleable Iron
  • MIG - Metal Inert Gas
  • MIN - Minimum
  • MOD - Modified
  • MP - Middle Pressure
  • MPI - Magnetic Practice Inspection
  • MT - Magnetic Particle Testing
  • MTC - Mill Test Certificate
  • MTO - Material Take-Off

smls pipe

  • N - Normalizing
  • NACE - National Association of Corrosion Engineer
  • NB - Nominal Bore
  • NBR - Nitrile Butadient Rubber
  • NDE - Non Destructive Examination
  • NPS - Nominal Pipe Size
  • NPT - National Taper Pipe Thread
  • OR - Outer Ring
  • OS&Y - Outside Screw and Yoke
  • OD - Outside Diameter
  • PBE - Plain Both Ends
  • PE - Plain End
  • PED - Pressure Equipment Directive
  • PMI - Positive Material Identification
  • PQR - Procedure Qualification Record
  • PSL - Product Specification Level
  • PT - Penetrant Testing
  • PWHT - Post Weld Heat Treatment
  • Q - Quenching
  • QAP - Quality Assurance Planning
  • RB -  Reducing Bore
  • RF - Raised Face
  • RJ - Ring Joint
  • RT - Radiographic Test
  • RTJ - Ring Type Joint
  • SAW - Sub-merged Arc Welding
  • SAWH -  Submerged Arc Helical Welding
  • SAWL -  Submerged Arc Longitudinal Welding
  • SCH -  Schedule
  • SCRD - Screwed
  • SMAW -  Shielded Metal Arc Welding
  • SMLS - Seamless
  • SO -  Slip On
  • SR -  Short Radius
  • SRL -  Single Random Length
  • SS -  Stainless Steel
  • SSC -  Sulphide Stress Corrosion
  • SST -  Stainless STeel
  • STD -  Standard
  • SW -  Socket Weld
  • SWC -  Stepwise Cracking
  • T -  Tempering
  • TIG -  Tungsten Inert Gas
  • TBE -  Threaded Both Ends
  • TPI -  Third Party Inspection
  • UT -  Ultrasonic Testing
  • WN - Weld Neck
  • WPQ -  Welder Performance Qualification
  • WPS -  Welding Procedure Specification
  • WT -  Wall Thickness
  • XS -  Extra Strong
  • XXS -  Double Extra Strong