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EN 10297 Mechanical seamless Tubes

Price:	1000.0~3000.0 USD
Trade Term:	CFR
Payment Terms:	T/T,L/C,D/P

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Basic Info.

Model No.: EN 10297 Mechanical seamless Tubes
Place of Origin: Shanghai
Min.Order: 10 Ton
Means of Transport: Ocean, Land

Supply Capacity

Production Capacity: 1000 tongs/year
Packing:in wooden boxes
Delivery Date: 30 days

20MnV6, alloy steel, EN 10297, EN 10297 C35E, EN 10297 E235, EN 10297 E355, EN 10297 Mechanical Tubes, Mechanical Tubes, Seamless tube, seamless tubes, steel pipes, steel tube, steel tubes

EN 10297 Seamless circular steel tubes for mechanical and general engineering purposes. Technical delivery conditions. Non-alloy and alloy steel tubes.
Standard: BS EN 10297-1:2003

Applications ofEN10297:

Alloy and non-alloy steel pipes, with circular section for mechanical and engineering applications.

Process: Seamless

Tolerance and size range :

Outside diameter:
D< mm -Min-mmbr style='font-size:13px;font-style:normal;font-weight:normal;color:rgb(85, 85, 85);' />D<219.1mm:+/-1%

Thickness:
D< mm-min -mmbr style='font-size:13px;font-style:normal;font-weight:normal;color:rgb(85, 85, 85);' />D<219.1mm: itchanges according to the ratio thickness/ diameter

Tolerance on thickness related to t/CD:

< td>	0.025< td>	<0.050
+/- 20%	+/-15%	+/-12.5%

Size range: According to DIN_EN_10220-2003 unless differently spcified by the customer

Straightness

D<33 mm not specifiedbr style='font-size:13px;font-style:normal;font-weight:normal;color:rgb(85, 85, 85);' />D<=33.7mm :0.15% on the total length

Note:

D: Outside diameter
T: Nominal thickness (mm)

Out of proundness

Included in the outside diameter tolerance

Standard and Steel grade:

EN 10297 E235
EN 10297 E355
EN 10297 C35E
20MnV6

Certification: UNI EN10204.3.1

Chemical analysis [%] of EN 10297:

Steel grade	C	Si	Mn	P	S
E235	≤0,17	≤0,35	≤1,20	≤0,040	≤0,045
E355	≤0,22	≤0,55	≤1,60	≤0,040	≤0,045
C35E	0,32 – 0,39	≤0,40	0,50 – 0,80	≤0,035	≤0,035
20MnV6	0,16 – 0,22	0,10 – 0,50	1,30 – 1,70	≤0,035	≤0,040

Mechanical properties of EN 10297:

Steel grade	Supply condtion	ReH min [MPa]		Rm min [MPa]		A [%]
Steel grade	Supply condtion	T≤16	16	T≤16	16	A [%]
E235	AR	235	225	360	360	25
E355	AR	355	345	490	490	20
C35E	N	300	280	520	500	17
20MnV6	AR	470	450	650	620	17

Condition on delivery:

Term	Symbol	Explanation
Cold-finished/hard (cold-finished as-drawn)	BK	No heat treatment after the last cold-forming process. The tubes therefore have only low deformability.
Cold-finished/soft (lightly cold-worked)	BKW	After the last heat treatment there is a light finishing pass (cold drawing) With proper subsequent processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits.
Annealed	GBK	After the final cold-forming process the tubes are annealed in a controlled atmosphere or under vacuum.
Normalized	NBK	The tubes are annealed above the upper transformation point in a controlled atmosphere or under vacuum