Hot Rolled & Cold Rolled Seamless Steel Pipe Carbon Steel Pipe For Structural Parts

The seamless steel pipe is made of perforated whole round steel, and the steel pipe without weld seam on the surface is called seamless steel pipe.

Hot Rolled Seamless Steel Pipe

Outer Diameter: 32-630mm.

Wall Thickness: 2.5-75mm.

Cold Rolled Seamless Steel Pipe

Outer Diameter: 5-200 mm

Wall thickness: 2.5-12mm

Hot Rolled Seamless Steel Pipe are generally produced on automatic rolling mills. After inspection and removal of surface defects, the solid tube blank is cut into required lengths, centered on the end face of the perforated end of the tube blank, then sent to a heating furnace for heating, and perforated on a punching machine. During the continuous rotation and advancement of the perforation at the same time, under the action of the roll and the plug, a cavity is gradually formed inside the tube blank, which is called a capillary tube. And then sent to the automatic rolling mill to continue rolling. Finally, the wall thickness of the whole machine is averaged, and the diameter is sizing by a sizing machine to meet the specification requirements. It is a relatively advanced method to produce hot-rolled seamless steel pipes with continuous pipe rolling mills.

Cold Rolled Seamless Steel Pipe Cold rolling is usually carried out on a two-roll mill, and the steel pipe is rolled in an annular pass composed of a variable-section circular hole groove and a stationary conical head. Cold drawing is usually carried out on a single-chain or double-chain cold drawing machine of 0.5 to 100T.

Application

1. For buildings, there are many pipelines at the bottom, groundwater extraction when building buildings, boiler hot water transportation, etc.

2. Machining, bearing sleeves, processing machinery parts, etc.

3. Electrical: gas transmission, water power generation fluid pipeline.

4. Anti-static pipes for wind power plants, etc.

Our Company

Shandong Huiyuan Metal Material Co., Ltd. is located in Liaocheng Economic and Technological Development Zone, Shandong Province,which is known as "Water City North of the Yangtze".
Hui Yuan is a trading company established based on Liaocheng Development Zone Jinyun Steel Pipe Co., Ltd. The factory has more than ten years of professional production experience .Now we have cold rolled seamless steel pipe 12 production lines and hot rolled seamless steel pipe 1 production line,one more hot rolled seamless steel pipe production line is under construction.
Our main products are listed as follows: Hot Rolled steel pipe, Precision Cold Rolled steel pipe, Cold Drawn steel pipe, alloy steel pipe, bearing steel pipe, spiral pipe, galvanized pipe,Honed tube,special shape steel pipe.etc.
Our products have been exported to Germany, South Korea, Russia, Malaysia, Pakistan, Thailand, India, Ukraine and other countriesand regions. We sincerely welcome friends from all over the world to contact us and establish mutually beneficial business relations.

Contact US

Over the years, we have worked hard to promote and realize the modernization of seamless steel pipes' sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of the original business site, facilities and equipment, and modern computer management. Hope to establish long-term partnerships and win market reputation.