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GB/T13793-2008 Q235C welded steel pipe use of cold-rolled process, Q235C welded steel pipe’s surface can be painted black paint, transparent oil, hot dip galvanized, 3PE, epoxy paint, BE, PE,Q235C welded steel pipe mainly used in machinery manufacturing, construction, metallurgical industry, agricultural greenhouse, automotive industry, construction, railway, highway guardrail, steel structure,good mechanical properties and mechanical properties.
GB/T13793-2008 Q295A welded steel pipe is widely used in electric power, machinery, gas cylinders, chemical industry, marine and petroleum service. Q295A welded steel pipe’s surface can be coated with anticorrosive water-based paints for normalizing, quenching and tempering heat treatment.
GB/T13793-2008 Q295B welded steel pipe is a low-alloy high-strength structural steel, Q295B welded steel pipe has good plasticity, weldability and impact toughness, hot and cold processing performance and low, medium temperature performance is also very good, a certain degree of corrosion resistance.
Q345A welded steel pipe is an industrial steel pipe which under GB/T13793-2008 standard,Q345A steel pipe is mainly used for long-distance pipelines such as oil, natural gas and liquid coal. Q345A welded steel pipe can be used as pipelines for offshore platform, power station, petrochemical industry, urban construction, etc.
GB/T13793-2008 Q345B welded steel pipe belongs to the low carbon alloy steel (c <0.2%),Q345B welded steel pipe’s comprehensive performance is good, the low temperature performance is good, the cold stamping performance, the welding performance and the cutting performance is good.
GB/T13793-2008 Q345C welded steel pipe using hot-dip, electro-leaching process, compared with Q345A, Q345B steel. Q345C steel pipe’s low temperature impact test temperature is low, good performance, mainly for the structure, oil, transportation of liquids and gases, general purpose, the surface can be painted black paint, anti-corrosion oil, galvanized or as customer requirements..
Q295A welded steel pipes under GB/T 3091-2008 standard,Q295A welded steel pipes has good plasticity, welding performance and impact toughness, hot and cold processing performance and low, medium temperature performance is also very good, a certain degree of corrosion resistance.
Q295B welded steel pipes is KUNFENG Steel main production which under GB/T 3091-2008 standard, GB/T Q295B welded steel pipes widely used in construction, mechanical structure of the pipe, agricultural equipment pipe, water gas pipe, greenhouse tube, scaffolding tube, building materials, furniture tube, low pressure fluid pipe, tubing.
