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Description

ASTM A106 Seamless steel pipe
Specification: ASTM A106
Dimension: ASME B36.10
Outer Diameter: 1/2" to 20"(DN15-DN500)
Wall Thickness: SCH40, SCH80
Pipe End: Beveled, Plain, Threaded
Surface: Black painting, Hot dip galvanized as ASTM A123


ASTM A106 Seamless steel pipe
Seamless steel pipe (SMLS) is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and flanging. The most advantage is increasing the ability of withstanding higher pressure. So it is widely used for boiler and pressure vessel, automotive area, oil well, and equipment components.
Seamless steel pipe can be cut, threaded or grooved. And the coating method includes black / red lacquer, varnish painting, hot dip galvanization, etc.
PQF(Premium Quality Finishing Mill) continuous rolling is the most advanced technology for producing hot rolled seamless steel pipe of modern industry.
It creates high quality seamless steel pipe efficiently, even for high alloy pipe and light wall pipe.
Size Range: 2″(60.3mm) to 20″(508mm)
Delivery Condition: As roll/ Normalized


Seamless steel pipe
Cold drawn mill is used for producing small size pipe. There are several times of cold forming process, so yield strength and tensile strength values increase, while elongation and toughness values decrease. A heat treatment must to be applied for each cold forming operation.
Comparing hot rolled pipe, cold drawn pipe maintains precise dimension, smooth surface and shining appearance.
Size Range: 1/2″(21.3mm) to 1-1/2″(48.3mm)
Delivery Condition: Cold Drawn/ Hard, Cold Drawn / Soft, Cold Drawn and Stress Relief, Annealed, Normalized
As another type of cold forming process, cold rolled mill also works at room temperature to stretch large size pipe to required small size.
Comparing cold drawn mill ,it takes pilger mill with fewer cold forming processes and lower productivity, but come out the pie in much precise size and shinning apperance.
Size Range: 1/2″(21.3mm) to 1-1/2″(48.3mm)
Delivery Condition: Cold roll, Annealed, Normalized

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Cangzhou Datang Steel Pipe Co., Ltd All Right Resevered.