Cold drawn seamless steel pipe is a critical component in the construction of boilers and high-pressure steam systems.
Manufactured through precision cold drawing process, this type of pipe offers superior dimensional accuracy, excellent surface finish, and enhanced mechanical properties compared to hot-rolled alternatives, making it ideally suited for demanding boiler applications
Products Features
Superior Precision and Surface Quality: The cold drawing process involves drawing a heated seamless tube through a die at room temperature, resulting in pipes with tighter dimensional tolerances (outer diameter and wall thickness) and a smoother, cleaner internal and external surface. This reduces friction in fluid transport and facilitates easier installation and welding.
Enhanced Mechanical Properties: Cold working during the drawing process increases the tensile strength and yield strength of the steel, contributing to greater pressure-bearing capacity and structural integrity under high-temperature and high-pressure conditions typical in boilers.
Material Versatility: Available in a wide range of materials specifically engineered for boiler service. Common grades include carbon steels (10#, 20#, 45# ,ASTM A179...), alloy steels (16Mn, 15CrMo, 35CrMo, 42CrMo...), and specialized high-temperature alloys such as ASTM A213 T11, T22, T91, among others.The choice of material depends on the specific operating temperature, pressure, and corrosion environment.
Seamless Construction: The absence of a welded seam eliminates a potential weak point, ensuring uniform strength and enhanced safety for containing high-pressure steam and hot fluids.
Typical Specifications
Standards: Compliant with international standards including ASTM A213 / ASME SA213(for seamless ferritic and austenitic alloy-steel boiler tubes), ASTM A179, and other specifications for boiler and pressure vessel piping.
Material Grades: Frequently supplied grades like: 20Cr, 40Cr, 15CrMo, 30CrMo, 35CrMo, 42CrMo, ASTM A179 , ASTM A213 T2, T5, T9, T11, T12, T22, T91 ....
Dimensions:
Outer Diameter: Commonly from 10mm to 325mm, with specific boiler applications often utilizing diameters between 10mm and 90mm.
Wall Thickness: Typically from 1mm to 25mm, tailored to pressure requirements.
Length: Can be in random lengths ( 5-7m, 10-12m) or cut to fixed lengths from 1m to 12m, accommodating various boiler designs.
Surface Treatment: Usually supplied in a black (natural) finish or as required.
Primary Applications: Specifically designed for use in high-pressure and low-pressure boiler tubes, superheaters, reheaters, heat exchangers, and other critical pressure parts within boiler systems
Manufacturing and Quality Assurance
Strict quality control is carried out from raw material selection through the entire production process.
The cold drawing technique ensures product consistency.
We hold ISO 9001 quality management certifications and welcome third-party inspections to guarantee pipes meet the required mechanical, chemical, and dimensional specifications for safe boiler operation
ordering info
* Production Standard
* Material Grade
* OD ,Thickness ,Length
* Quantity
* Ends type(bevel or plain)
* Surface treatment(if need)
* Packing requirements( Bundles only or PVC bagging or in wooden box)
contact
Kevin
Tianjin Shenzhoutong Steel Pipe Co.,Ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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