ASME Standard Abbreviation
ASME Standard Abbreviation
ASME Standard Abbreviation
The following abbreviated codes are proposed to be followed in Piping Specification for all Projects.
+ WITH
125 Ra Ra=125-250 m. In
16 Ra Ra=16-32 m. In
250 Ra Ra=250-500 m. In
63 Ra Ra=63-125 m. In
A-20 ALLOY 20
AS ALLOY STEEL
ASB ASBESTOS
THRD. STD (BOLT) ASME B 1.1 CL2A, THRD.
B18.2.2 STD (NUT) ASME B 1.1 CL2B, UNC THRD
FOR <=1" AND UN8 THRD FOR >1" DIA
BB BOLTED BONNET
BE BEVELED END TO B16.25
BET THREADED BOTH ENDS
BF BLIND FLANGE
BS BELLOW SEALED
BW BUTT WELDING
CA CORROSION ALLOWANCE
CAP PIPE CAP
CI CAST IRON
CNAF COMPRESSED NON ASBESTOS FIBRE
CON RED CONCENTRIC REDUCER
CORR CORRUGATED
CRS CROSS
CS CARBON STEEL
CVR COVER
DEG DEGREE
DI DUCTILE IRON
DIPH DIAPHRAGM
DN NOMINAL DIA
DPR DESIGN PRESSURE
ECC RED ECCENTRIC REDUCER
EFW ELECTRIC FUSION WELDED
ELB ELBOW
ERW ELECTRIC RESISTANCE WELDED
FBE FLANGED BOTH ENDS
FBE FLG FIXED FLANGE BOTH ENDS
FBP FABRICATED FROM PIPE
FCPL FULL COUPLING
FF FLAT FACE
FLGD FLANGED
FNPT SCREWED TO NPT(F) TO B 1.20.1
FOE FLANGED ONE END
FRACT. FRACTIONAL
GALV GALVANIZED
GASK GASKET
GF GLASS FILLED
GI GALVANIZED IRON
GNLLY GENERALLY
GO GEAR OPERATED
GRF GRAFOIL
FLEX+GRPH+BRD+RING CORROSION INHIBITED DIE FORMED FLEXIBLE
GRAPHITE PACKING WITH BRAIDED ANTI-EXTRUSION
RING
HCPL HALF COUPLING
HDPE HIGH DENSITY POLYETHYLENE
HO HAND WHEEL OPERATED
HPR HYDROSTATIC PRESSURE
HRL HARD RUBBER LINED
HYP HYPALON
ID INSIDE DIAMETER
JG J / U GROOVE ( FOR HIGH THICKNESS PIPE)
Page 1 of 3
MASTER ABBREVIATIONS LIST 10/9/2015
Page 2 of 3
MASTER ABBREVIATIONS LIST 10/9/2015
Page 3 of 3