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12mm 24mm DOM Drawn Over Mandrel Cold Drawn Seamless Mechanical Round Steel Tubing

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Torich International Limited

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12mm 24mm DOM Drawn Over Mandrel Cold Drawn Seamless Mechanical Round Steel Tubing

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Brand Name :	Torich
Model Number :	4130
Certification :	TS16949,ISO9001
Price :	negotiation
Payment Terms :	L/C, T/T
Supply Ability :	5000tons per year
Delivery Time :	5-8 week days

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Product Details
Company Profile

12mm 24mm DOM Drawn Over Mandrel Cold Drawn Seamless Mechanical Round Steel Tubing

12mm 24mm DOM Drawn Over Mandrel Cold Drawn Seamless Mechanical Round Steel Tubing

TORICH is a professional steel tubes manufacturer from China with over 23 years manufacturing and exporting experience.

Our main products areDOM precision pipe,carbon steel Drawn Over Mandrel Cold draw pipe,alloy steel seamless Mechanical round steel tubing, stainless steel seamless precision pipe.The material we usually use for producing DOM seamless Mechanical round steel tubes as per DIN2391 EN10305 A519 is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355,

4130,4140 etc

Chemical Composition

Steel grade		C max.	Si max.	Mn max.	P max.	S max.	Altot min.
Name	Number	C max.	Si max.	Mn max.	P max.	S max.	Altot min.
E215	1.0212	0.10	0.05	0.7	0.025	0.015	0.025
E235	1.0308	0.17	0.35	1.2	0.025	0.015	--
E355	1.0580	0.22	0.55	1.6	0.025	0.015	--

Mechanical Properties

Steel grade		Yield strengtha	Tensile strength	Elongation
Name	Number	ReH	Rm	A
		min.	min.	min.
		MPa	MPa	%
E215	1.0212	215	290 to 430	30
E235	1.0308	235	340 to 480	25
E355	1.0580	355	490 to 630	22

Features:

1.High tolerance

2.High concentricity

3.Good quality raw material ,Like Baosteel,Zhongtian etc

4. Good service

Delivery Condition

Designation	Symbol	Description
Cold finished (hard)	BK(+C)	Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
Cold finished (Soft)	BKW (+LC)	The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)
Cold finished and stress-relieved	BKS(+SR)	Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
Annealed	GBK(+A)	The last Cold forming process is followed by annealing in a controlled atmosphere.
Normalized	NBK(+N)	The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Packages:

In bundles or in wooden box packages.

12mm 24mm DOM Drawn Over Mandrel Cold Drawn Seamless Mechanical Round Steel Tubing

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