News
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API 5L/ASTM A106 GR.B, SSAW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, LSAW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, ERW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
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Lifetime of spiral steel pipe
The lifetime of spiral steel pipe has relationship with decarburization, if the surface decarburize, surface strength and wear resistance will reduce the direct impact on the life of daily use. In the heat treatment process, it should be to try not to let the inner and outer walls and exposed to ...Read more -
How to prevent and solve the porosity problem of the steel pipe seam
Welded steel pipe is divided into two kinds according to its welding seam shape-straight seam steel pipe and spiral steel pipe. Steel pipe seam porosity affects not only the density of pipe welds, resulting pipeline leak, and will become a point of corrosion-induced, severely reducing weld streng...Read more