Seamless precision steel tubes acc to DIN2391 by cold drawn

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Seamless precision steel tubes acc to DIN2391 by cold drawn

Product Details:

Place of Origin:	China
Brand Name:	Torich
Certification:	ISO9001，ISO14001,TS16949，DNV
Model Number:	DIN2391

Payment & Shipping Terms:

Minimum Order Quantity:	5 tons
Price:	1200
Packaging Details:	In wooden boxes or upon request
Delivery Time:	30-60 days
Payment Terms:	T/T,L/C
Supply Ability:	50000 TONS PER YEAR

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Detailed Product Description

Standard: DIN2391 Seamless cold drawn/rolling steel tubes

Size range: O.D.:6-350mm W.T.:1-30mm L:max12000mm

Applications:For Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber

Auto shock absorber innder cylinder / Telescopic Cylinders

Inter Diamater roughness could be reach 0.3μm 0.4μm or as per request.

Steel Grade and Chemical Compositions:

Steel Grade	C	Si	Mn	P	S
Steel Grade	max	max		max	max
ST35	0.17	0.35	≥0.40	0.025	0.025
ST45	0.21	0.35	≥0.40	0.025	0.025
ST52	0.22	0.35	≥1.60	0.025	0.025

Mechanical properties at room temperature
Steel Grade	Minimum values for the delivery condition
Steel Grade	BKW		BKS		GBK			(+N) NBK
ST35	480	6	420	10	420	315	14	340-470	235	25
ST45	580	5	520	8	520	375	12	440-570	235	21
ST52	640	4	580	7	580	420	10	490-630	355	22

Note: Special steel grade is also available, according to customer request.

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