EN 10208-2 Hot Rolled Seamless steel pipes,seamless tube

Grade N80 L80 Steel Casing Tube, Oil Field Pipe

L-80 AND N-80 CASING PIPE – MINIMUM COLLAPSE RESISTANCE OF CASING – UNDER AXIAL LOAD

September 22, 2017

EN 10216-2 Seamless Boiler Steel Pipes

October 9, 2017

EN 10208-2 Hot Rolled Seamless steel pipes

application:

distribution of combustible media with determined pressure (previously DIN 17172)

production method:

– seamless: S
– seamed: HFW high frequency welding
SAW powder welding
COW combined welding
Fusion welds of strip joining for spiral pipes are acceptable after agreement

grade: seamed and seamless:

1.0457	L 245 NB	StE 240.7
1.0484	L 290 NB	StE 290.7
1.0582	L 360 NB	StE 360.7
1.8972	L 415 NB	StE 415.7

grade: seamless:

1.8948	L 360 QB	–
1.8947	L 415 QB	–
1.8952	L 450 QB	–
1.8955	L 485 QB	–
1.8957	L 555 QB	–

grade: seamless:

1.0418	L 245 MB	–
1.0429	L 290 MB	StE 290.7 TM
1.0578	L 360 MB	StE 360.7 TM
1.8973	L 415 MB	StE 415.7 TM
1.8975	L 450 MB	StE 445.7 TM
1.9877	L 485 MB	StE 480.7 TM
1.8978	L 555 MB	–

outer diameter:

Ø 33,7 up to 1.626 mm (seamless up to 660 mm)

wall thickness:

up to 40 mm

pipe type and production running:

see EN 10208-2 Table 2

diameter and ovality tolerance:

see EN 10208-2 Table 9

wall thickness tolerance:

see EN 10208-2 Table 10

max. value of fusion weld excedance:

see EN 10208-2 Table 15

straightness:

0,2 % along whole length, locally < 4 mm/m

PE coating:

EN 10285 or EN 10287 in 3-layer extrusion moulding or surfacing by welding method

Chemical Compisition Of EN 10208-2 Hot Rolled Seamless steel pipes

Number No.	Grade	Grade	Yield point	Tensile strength	Ultimate longitudinal	Impact strength	Carbon
Number No.		Grade	Yield point	Tensile strength	elongation	at bending	equivalent
EN10208-2 Hot Rolled Seamless Tube
1.0457	L 245 NB	StE 240.7	245-440	415	22	40	0,42
1.0484	L 290 NB	StE 290.7	290-440	415	21	40	0,42
1.0582	L 360 NB	StE 360.7	360-510	460	20	40	0,45
1.8972	L 415 NB	StE 415.7	415-565	520	18	40	w/uzg

1.8948	L 360 QB		360-510	460	20	40	0,42
1.8947	L 415 QB		415-565	520	18	40	0,43
1.8952	L 450 QB		450-570	535	18	40	0,45
1.8955	L 485 QB		485-605	570	18	46	0,45
1.8957	L 555 QB		555-675	625	18	61	w/uzg

1.0418	L 245 MB	–	245-440	415	22	40	0,4
1.0429	L 290 MB	StE290.7 TM	290-440	415	21	40	0,4
1.0578	L 360 MB	StE360.7 TM	360-510	460	20	40	0,41
1.8973	L 415 MB	StE415.7 TM	415-565	520	18	40	0,42
1.8975	L 450 MB	StE445.7 TM	450-570	535	18	40	0,43
1.8977	L 485 MB	StE480.7 TM	485-605	570	18	46	0,43
1.8978	L 555 MB		555-675	625	18	61	w/uzg

Hot Rolled Seamless Tube Inner packing:
Caps on two ends of every pipe
Outer packing:
Hexagonal shape bundles wrapped with strong steel strip or according to customers’requests.

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