cold drawn seamless tubing

Cold drawn seamless tubing description

1、Cold Drawn Seamless (CDS) as implied is made by cold drawing a larger mother seamless pipe, which is generally manufactured through a HFS process. In the CDS process, the mother pipe is pulled through a die & plug in cold without any heating. Because of the tool on outside and inside the surface and tolerances are better in CDS. While this is an additional process over HFS, it is necessary to get smaller size pipes which otherwise cannot be manufactured in HFS. Some applications which require close tolerances and smooth surfaces also specify the requirements to be necessarily CDS. CDS pipes & tubes are extensively used in Heat-Exchanger, Bearing & Automotive sectors.

2、Benefits of Cold Drawn Seamless Tubing: Cold drawn seamless pipes are seamless steel pipes with a circular cross-section made by cold drawing . Its name refers to the shape of steel pipes, such as thick-walled cold-drawn seamless pipes, thin-walled cold-drawn seamless pipes, etc. Cold drawn seamless pipes are widely used in the production of various structural parts, tools and mechanical parts. Compared with round pipes, cold drawn seamless pipes generally have larger moments of inertia and section modulus, have greater torsion resistance, save materials, and improve efficiency. They can be directly processed without deep processing in factories or mechanical processing plants. Use, reduce workload, improve work efficiency, and be loved by terminal demand.

Seamless steel pipe Product line

KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate, seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.

Chemical composition of seamless mechanical piping

Speci -cation	Grade	Chemical Composition [%]
		C		Mn		P	S	Si		Cr		Mo		Cu	Ni	V

		Min	Max.	Min	Max.	Max.	Max.	Min.	Max	Min.	Max	Min.	Max	Max	Max	Max
EN 10305-1/EN10305-4	E 235		0.17		1.2	0.025	0.025		0.35							0.02
	E 355		0.22		1.6	0.025	0.025		0.55							0.02
EN 10216-1	P195 TR1		0.13		0.7	0.025	0.02		0.35		0.3		0.08	0.3	0.3
	P235 TR1		0.16		1.2	0.025	0.02		0.35		0.3		0.08	0.3	0.3
EN 10216-2	P235 GH		0.16		1.2	0.025	0.02		0.35		0.3		0.08	0.3	0.3	0.02

Mechanical properties of seamless mechanical piping

Speci -cation	Grade	Mechanical Properties
		Yield Strength		Tensile Strength			% Elongation (G.L. 50 mm WT 8 mm) e (min.)
		Min.		Min.
		PSI	MPa	PSI	MPa
EN 10305-1/EN10305-4	E 235		235		340	25
	E 355		355		490	22
EN 10216-1	P195 TR1		195		320	27
	P235 TR1		235		360	25
EN 10216-2	P235 GH

Product specifications of seamless mechanical piping

Product name	Seamless Stainless Steel Pipe /Tube
Steel grade	200 series,300 series,400 series
Standard	ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296
Material	304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202
Surface	Polishing,annealing,pickling,bright
Type	hot rolled and cold rolled
Size	Wall thickness	1mm-150mm(SCH10-XXS)
	Outer diameter	6mm-2500mm (3/8"-100")
Delivery time	Prompt delivery or as the order quantity.
Package	1.By bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4-8 steel strips； 2.After making by bundle, covered with Polyethylene waterproof cloth; 3.Customized is accepted.
Container size	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM

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Seamless steel pipe application

Seamless steel pipes are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry

oil and gas

Kuaima Steel provides a complete set of equipment and installations for drilling, transportation and storage in the oil and gas industry.

energy

Kuaima Steel serves the entire service cycle of power generation and synchronous activities in design, construction, repair and maintenance.

construction

Kuaima Steel provides comprehensive products and services for infrastructure, bridges, pipelines, etc.

marine

Kuaima Steel is a trusted supplier for subsea to surface operations and shipbuilding operations.

We supply and export Seamless steel pipe in following countries

Malaysia, United Arab Emirates, Indonesia, Saudi Arabia, Iran, Qatar, India, China, United Kingdom, Singapore, Canada, Thailand, Korea, Turkey, Philippines, Egypt, Germany, Italy, Japan, Russia, Vietnam, Australia, South Africa , Portugal, Morocco, Costa Rica, Kazakhstan, Netherlands, Mexico, Brazil, France, Spain, Nigeria, Bangladesh, Kuwait, Iraq, Ukraine, Poland, Jordan, Romania, Oman, Hong Kong, Venezuela, Colombia, Norway, Chile, Te Trinidad and Tobago, Greece, Czech Republic, Belgium, Sri Lanka, Cyprus, Angola, Myanmar (Burma), United Kingdom, Canada, Korea, Thailand, Netherlands, Spain, Turkey, Australia, Mexico, Pakistan, Vietnam, Brazil, Philippines, France, Taiwan, Poland, South Africa, Russia, Nigeria, Kuwait, Czech Republic, Norway, Romania, Egypt, Oman, Sweden, Belgium, Hong Kong, Israel, Colombia, Switzerland, Denmark, Finland, Argentina, Venezuela, Peru, Ukraine , Chile, Bangladesh, Portugal, Ireland, Austria, Algeria, Greece, Iraq, New Zealand, Slovakia, Hungary, Kazakhstan, Slovenia, Lithuania, Serbia, Sri Lanka, Bahrain, Bulgaria, Morocco, Tunisia, Croatia, Jordan, Ecuador, Te Trinidad and Tobago, Estonia, Azerbaijan, Ghana, Lebanon, Cyprus, Dominican Republic, Latvia, Libya, Costa Rica, Cambodia, Macedonia (FYROM), Belarus, Jamaica, Palestine, Turkmenistan Belarus, Jamaica, Palestine, Turkmenistan Belarus, Jamaica, Palestine, Turkmenistan and other countries