The biggest difference between thick wall steel pipe and thin wall steel pipe is the thickness of steel pipe wall. Generally speaking, thin wall steel pipe is a cold drawing technology, while thick wall steel pipe generally uses hot rolling technology if it is measured. Units to distinguish, then, is generally believed that the wall thickness / diameter equal to 0.02 is a watershed of thick-walled steel pipe and thin-walled steel pipe, wall thickness / pipe diameter of less than 0.02 is a thin-walled steel pipe, larger than the thick-walled steel pipe, in use Above all, thin-walled steel pipes are mostly used on pipelines. Thick-walled steel tubes are mostly used for blanks in hollow parts. Pressure and use on important pipelines.
Thick-walled steel pipes are mainly used in tap water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction. For liquid transport: water supply, drainage. For gas transportation: gas, steam, liquefied petroleum gas. Used for structural purposes: as a pile driving pipe, as a bridge; piers, roads, building structures, etc.
The common domestic materials are: 10# 20mn 42crmo 36CrMo 40Cr 20Cr 15CrMo 12Cr1Mov Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, 16Mn, 20#, 45#, Q345, L245, L290, X42, X46, X70, X80.
Thick-walled steel pipes are mainly used in tap water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction. For liquid transport: water supply, drainage. For gas transportation: gas, steam, liquefied petroleum gas. Used for structural purposes: as a pile driving pipe, as a bridge; piers, roads, building structures, etc.
The common domestic materials are: 10# 20mn 42crmo 36CrMo 40Cr 20Cr 15CrMo 12Cr1Mov Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, 16Mn, 20#, 45#, Q345, L245, L290, X42, X46, X70, X80.
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