51 steel pipe network provides the latest steel pipe abbreviations and their detailed explanations.
API (American Petroleum Institute) – A standards organization that develops and maintains technical standards for the oil and gas industry.
ASTM (American Society for Testing and Materials) – An international standards organization that develops and publishes technical standards for materials, products, systems, and services.
DNV (Det Norske Veritas) – A classification society that sets technical standards for ships, offshore structures, and other industrial assets.
DEP (Design and Engineering Practice) – A set of engineering guidelines used in the design and construction of oil and gas facilities, particularly by Shell.
EN (European Norm) – A standard developed by the European Committee for Standardization (CEN), commonly used across Europe.
NACE (National Association of Corrosion Engineers) – An organization focused on corrosion prevention and control in various industries.
COW Pipe – A type of steel pipe with one or two longitudinal welds, or a spiral weld, produced using a combination of furnace gas protection and submerged arc welding. During the process, the weld is not fully covered by the molten metal.
COWH Pipe – A spiral welded pipe made using furnace gas protection and submerged arc welding. The weld is partially melted during the process.
COWL Pipe – A steel pipe with one or two straight welds created through a combination of gasification furnace protection and submerged arc welding. The weld is partially melted by the submerged arc bead.
CW Pipe (Continuous Welded Pipe) – A steel pipe with a straight weld manufactured using a continuous furnace welding process.
EW – A welding process that uses low or high-frequency current to produce a straight weld seam in steel pipes.
ERW Pipe (Electric Resistance Welded Pipe) – A steel pipe formed by electric resistance welding, typically used for small-diameter pipes.
HFW Pipe (High Frequency Welded Pipe) – A pipe with a straight weld seam, produced using a welding frequency of 70 kHz or higher.
LFW Pipe (Low Frequency Welded Pipe) – A pipe with a straight weld, manufactured using a welding frequency of 70 kHz or lower.
LW Pipe (Laser Welded Pipe) – A steel pipe with a straight weld produced using laser welding technology.
LSAW Pipe (Longitudinal Submerged-Arc Welded Pipe) – A steel pipe with a longitudinal weld made using the submerged arc welding process.
TFL (Through-the-Flow Line) – A pipeline designed to allow the continuous flow of oil without interruption.
SMLS Pipe (Seamless Pipe) – A steel pipe without any weld seams, manufactured through extrusion or rolling processes.
SAW Pipe (Submerged-Arc Welded Pipe) – A steel pipe with one or two straight welds or a spiral weld, made using the submerged arc welding method.
SAWH Pipe (Submerged-Arc Welded Helical Pipe) – A spiral-welded steel pipe produced using the submerged arc welding technique.
SAWL Pipe (Submerged-Arc Welded Longitudinal Pipe) – A steel pipe with one or two straight welds, manufactured via submerged arc welding.
TT (Tensile Test) – A test to measure the tensile strength of a material.
UT (Ultrasonic Test) – A non-destructive testing method that uses high-frequency sound waves to detect flaws in materials.
RT (Radiographic Test) – A non-destructive testing method that uses X-rays to inspect internal structures of a material.
DT (Density Test) – A test used to determine the density of a material.
YS (Yield Strength) – The stress at which a material begins to deform plastically.
UTS (Ultimate Tensile Strength) – The maximum stress a material can withstand before failure.
DWTT (Drop-Weight Tear Test) – A test used to evaluate the toughness of a material under impact loading.
HV (Vickers Hardness) – A hardness measurement based on the indentation of a diamond pyramid.
HR (Rockwell Hardness) – A hardness test that measures the depth of penetration of an indenter.
HB (Brinell Hardness) – A hardness test that involves pressing a hard steel ball into the surface of a material.
HIC Test (Hydrogen Induced Cracking Test) – A test to evaluate a material’s resistance to hydrogen-induced cracking.
SSC Test (Sulfide Stress Cracking Test) – A test to assess a material’s susceptibility to sulfide stress cracking.
CE (Carbon Equivalent) – A calculated value that estimates the carbon content of a steel alloy in terms of its weldability and mechanical properties.
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