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· Maintenance of blind flange production equipment

 

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Cold Drawn Seamless Steel Pipe
Source :本站   Time:12/3/2017 10:27:28 PM   hit:

  General use of seamless steel tube: 10, 20, 30, 35, 45, such as high-quality carbon knot steel 16Mn, 5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45mn2, 40MnB and other alloy steel hot rolled or cold-rolled. 10, 20, such as low-carbon steel manufacturing seamless pipe is mainly used for fluid transport pipeline. 45, 40Cr and other carbon steel seamless pipe used to make mechanical parts, such as automobiles, tractors, the force parts. General use of seamless steel tubes to ensure strength and flattening test. Hot-rolled steel tubes are delivered in hot-rolled or heat-treated condition.

  cold-rolled or Cold Drawn Precision Seamless Steel Pipe the difference between precision steel pipe and seamless steel tube 1, seamless steel tube is the main feature is no welding seam, can withstand greater pressure. Products can be very rough cast or cold dial parts. 2, Cold Drawn Precision Seamless Steel Pipe is the product which appears in recent years, mainly is the inner hole, the outer wall size has the strict tolerance and the roughness.

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