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- HOT-ROLLED SEAMLESS STEEL PIPE AND A COLD-ROLLED SEAMLESS STEEL PIPECold-rolled seamless steel pipes are often of small diameter, and hot-rolled seamless steel pipes are often of large diameter.Mar 1,2022
- DIFFERENCE BETWEEN PRE-GALVANIZED STEEL TUBE AND HOT-GALVANIZED STEEL TUBEHot dip galvanized pipe is the natural black steel tube after manufacturing immersed in the plating solution.Mar 1,2022
- CARBON STEELCarbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight.Mar 1,2022
- ERW, LSAW STEEL PIPEStraight seam steel pipe is a steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. The production process of straight seam steel pipe is simple, with high production efficiency, low cost and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes.Mar 1,2022
- WHAT IS ERWElectric resistance welding (ERW) is a welding process where metal parts in contact are permanently joined by heating them with an electric current, melting the metal at the joint. Electric resistance welding is widely used, for example, in manufacture of steel pipe.Mar 1,2022
- SSAW STEEL PIPE VS. LSAW STEEL PIPELSAW Pipe (Longitudinal Submerged Arc-Welding Pipe), also called SAWL pipe.Mar 1,2022
- GALVANIZED STEEL PIPE VS. BLACK STEEL PIPEGalvanized steel pipe features a protective zinc coating that helps prevent corrosionMar 1,2022
- YOUFA GROUP ATTENDED THE YEAR-END SUMMIT FORUM OF CHINA’S IRON AND STEEL INDUSTRY IN 2021YOUFA GROUP ATTENDED THE YEAR-END SUMMIT FORUM OF CHINA’S IRON AND STEEL INDUSTRY IN 2021Dec 15,2021
- Youfa Pipeline Technology added plastic coating production linesYoufa Pipeline Technology added plastic coating production linesDec 1,2021
- YOUFA ATTEND GREEN BUILDING AND DECORATION MATERIALS EXHIBITIONYOUFA ATTEND GREEN BUILDING AND DECORATION MATERIALS EXHIBITIONNov 16,2021
- YOUFA GROUP APPEARED IN 2021 (24TH) INTERNATIONAL GAS AND HEATING CHINA EXHIBITION AND WON PRAISE FROM MANY PARTIESYOUFA GROUP APPEARED IN 2021 (24TH) INTERNATIONAL GAS AND HEATING CHINA EXHIBITION AND WON PRAISE FROM MANY PARTIESNov 9,2021
- China infrastructure material leasing and contracting Association Visits Youfa Group for investigation and exchangeChina infrastructure material leasing and contracting Association Visits Youfa Group for investigation and exchangeAug 19,2021
- Arbor Day-Everyone has a responsibility to protect the environmentOn March 12, 2020,Mar 12,2021
We will usher in the 42nd Arbor Day after the founding of New China.
This day, I planted a sapling by myself,
It is planting a green hope. - YOUFA GROUP DONATED ANTI-EPIDEMIC FUNDS TO DAQIUZHUANG TOWN GOVERNMENTIt is now a critical period for Tianjin to deal with the new crown pneumonia epidemic.Feb 26,2021
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