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Cold Drawn Pre Honed Steel Pipe

Cold drawn pre honed steel pipe is a high-precision seamless steel tube widely used in applications requiring superior surface finish, tight dimensional tolerance, and excellent mechanical properties. This type of pipe undergoes a specialized manufacturing process that includes cold drawing and pre-honing, resulting in a smooth internal surface and enhanced structural integrity.

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Description

Manufactured to meet or exceed international standards such as ASTM, DIN, and GB, cold drawn pre honed steel pipe is available in a range of materials including St52, C45, and SS304. Outer diameters typically range from 30mm to 325mm, with wall thicknesses between 5mm and 30mm. Lengths can be supplied randomly from 10mm to 12,000mm, or customized to specific requirements.

The surface treatment of cold drawn pre honed steel pipe often includes oiling to prevent corrosion during storage and transport. Ends can be supplied as plain, beveled, varnished, or fitted with protective plastic caps based on customer needs.

Thanks to its precise manufacturing technique, cold drawn pre honed steel pipe is ideal for high-performance applications such as hydraulic cylinders, pneumatic systems, automotive components, and precision machinery. Its smooth internal surface minimizes friction and wear, extending the service life of the systems in which it is installed.

Delivery conditions include various heat treatment options such as normalized, annealed, or stress-relieved states, ensuring the material meets specific mechanical property requirements. Packaging is robust, often involving bundled wrapping, waterproof paper, steel-strapped sacks, or triple-layer cardboard boxes to ensure safe transit.

With a minimum order quantity of 3 tons and support for multiple trade terms including FOB, CFR, CIF, EXW, and LC, cold drawn pre honed steel pipe is a reliable and efficient choice for industrial and mechanical applications demanding precision and durability.

Product Name	Seamless carbon steel pipe
Material	Carbon Steel and Alloy Steel
Surface	oiled, Polished, Brightness, Metallic color
Standard	ASTM A106 A53 A192 A179 A210 A519 DIN17175 1629 2391 EN10216-1 10216-2 10305-1 and GB,JIS
Grade	St35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T12,AISI4130,SAE1010,SAE1020.etc
Technique	Cold drawn & cold rolled
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery Conditions	1. BK (+C)	No heat treatment after last cold forming process.
	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Package	1. Bundle Packing.
	2. Plain end or vanished as per customer's request.
	3. Wrapped in waterproof paper.
	4. Sackcloth with several steel strips.
	5. Pack in heavy tri-wall boxes.

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Precision Seamless Cold Drawn Steel Tube