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E355 DOM Steel Tubing

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Brand Name :	New Era
Model Number :	EN10305-2/DIN2394/A513
Certification :	ISO9001,TS16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	3000 tons/month
Delivery Time :	45 days

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E355 DOM Steel Tubing

E355 DOM High precision tubing DOM steel tubing for

telescopic cylinders steel tubes

Size Range: OD: 6-329mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m

Standard:EN10305-2 Welded Precision Steel Tubes, is produced by cold drawing over mandrel

and die on the ERWwelded steel tube, to achieve better tolerance and good concentricity, both

outside and inside weld seamis completely removed during the cold drawing process.

Materials:E355 full aluminum killed fine grain practice.

Process:Welded, cold Drawn-Over-Mandrel (DOM), Stress Relieve Annealed (SRA; BK+S), round

precision tubing. The welded tube must be full body normalised in case of stretch reduction

after welding and prior to cold drawing. Otherwise only weld seam normalised is accepted.

Delivery condition:

1). +C No heat treatment after the final cold drawig process

2). +LC After the final heat treatment there is a suitable drawing pass

3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere

4). +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere

Chemical Component:

Steel Grade		C	Si	Mn	P	S
Steel name	Steel number	max	max	max	max	max
E155	1.0033	0.11	0.35	0.70	0.025	0.025
E195	1.0034	0.15	0.35	0.70	0.025	0.025
E235	1.0308	0.17	0.35	1.20	0.025	0.025
E275	1.0225	0.21	0.35	1.40	0.025	0.025
E355	1.0580	0.22	0.35	1.60	0.025	0.025

Mechanical properties
Steel Grade		Minimum values for the delivery condition
Steel Name		(+Cc)		(+LCc)		(+SR)			(+Ad)		(+N)
Steel Name		Rm Mpa	A %	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %	Rm Mpa	A %	Rm Mpa	ReHe Mpa	A %
E155	1.0033	400	6	350	10	350	245	18	260	28	270-410	155	28
E195	1.0034	420	6	370	10	370	260	18	290	28	300-440	195	28
E235	1.0308	490	6	440	10	440	325	14	315	25	340-480	235	25
E275	1.0225	560	5	510	8	510	375	12	390	21	410-550	275	21
E355	1.0580	640	4	590	6	590	435	10	450	22	490-630	355	22

Products show:

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Company Info.

NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

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E355 DOM Steel Tubing

E355 DOM Steel Tubing

E355 DOM Steel Tubing

E355 DOM Steel Tubing

Annealing DOM Steel Tubing

WT 15mm DOM Steel Tubing

E355 DOM Steel Tubing

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