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Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

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Torich International Limited

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Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

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Brand Name :	Torich
Model Number :	DIN2391
Certification :	TS16949
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

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

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

Our main products are seamless precision pipe,carbon steel seamless precision pipe,alloy steel seamless precision pipe, stainless steel seamless precision pipe.The material we usually use for producing Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355

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	--

Tolerance

Outer Diameter	Allowable tolerance		special tolerance
Outer Diameter	GB/T3639	DIN2391	OD	WT
4mm-20mm	±0.10mm	±0.08mm	±0.05mm	±0.05mm
20mm-30mm	±0.10mm	±0.08mm	±0.08mm	±0.08mm
31mm-40mm	±0.15mm	±0.15mm	±0.10mm	±0.08mm
41mm-60mm	±0.20mm	±0.20mm	±0.15mm	±0.15mm
61mm-80mm	±0.30mm	±0.30mm	±0.20mm	±0.20mm
81mm-120mm	±0.45mm	±0.45mm	±0.30mm	±0.30mm

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

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.

Seamless Precision Steel Tube

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube 2

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

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