High Frequency Electric Resistance Welded Round Steel Pipe

Welded carbon steel pipe Material:Carbon Steel ASTM A53B,A106B,API 5L B,X42,X46,X52,X60,X65,Q235,20#,Q345,ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4,STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49 etc
ERW PIPE Application
Low and middle pressure fluid pipeline,boiler tube,petroleum and natural gas industry Electric Resistance Welded pipe,drilling steel pipe,chemical industry erw steel pipe,electric industry steel pipe,shipbuilding pipe,fertilizer equipment and pipeline,structure pipe,petrochemical pipe,pharmaceutical industry pipe.

GB/T3091 Welded steel pipe for low pressure liquid delivery
GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines
BS:1387 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A53 Standard Specification for Pipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded and Seamless
DIN 2458 WELDED STEEL PIPES AND TUBES
EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
API 5L Line Pipe

ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems

DIN 30670 Polyethylen coatings of steel pipes and fittings