cold drawn seamless tubing

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Seamless steel pipe

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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.

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Product Details

cold drawn seamless tubing Advantage

1. The molding speed is fast, the output is high, and the coating is not damaged. It can be made into a variety of cross-section forms to meet the needs of use conditions.
2. Cold rolling can cause large plastic deformation of steel, thus increasing the yield point of steel.

cold drawn seamless tubing Chemical Composition

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

cold drawn seamless tubing Mechanical Property

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

cold drawn seamless tubing Specification

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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