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
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October 9, 2017

EN 10208-2 Hot Rolled Seamless steel pipes

EN 10208-2 Hot Rolled Seamless steel pipes

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:
1.0457L 245 NBStE 240.7
1.0484L 290 NBStE 290.7
1.0582L 360 NBStE 360.7
1.8972L 415 NBStE 415.7
grade: seamless:
1.8948L 360 QB
1.8947L 415 QB
1.8952L 450 QB
1.8955L 485 QB
1.8957L 555 QB
grade: seamless:
1.0418L 245 MB
1.0429L 290 MBStE 290.7 TM
1.0578L 360 MBStE 360.7 TM
1.8973L 415 MBStE 415.7 TM
1.8975L 450 MBStE 445.7 TM
1.9877L 485 MBStE 480.7 TM
1.8978L 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.GradeGradeYield

point

Tensile

strength

Ultimate

longitudinal

Impact strengthCarbon
elongationat bendingequivalent
EN10208-2  Hot Rolled Seamless Tube
1.0457L 245 NBStE 240.7245-44041522400,42
1.0484L 290 NBStE 290.7290-44041521400,42
1.0582L 360 NBStE 360.7360-51046020400,45
1.8972L 415 NBStE 415.7415-5655201840w/uzg
1.8948L 360 QB360-51046020400,42
1.8947L 415 QB415-56552018400,43
1.8952L 450 QB450-57053518400,45
1.8955L 485 QB485-60557018460,45
1.8957L 555 QB555-6756251861w/uzg
1.0418L 245 MB245-44041522400,4
1.0429L 290 MBStE290.7 TM290-44041521400,4
1.0578L 360 MBStE360.7 TM360-51046020400,41
1.8973L 415 MBStE415.7 TM415-56552018400,42
1.8975L 450 MBStE445.7 TM450-57053518400,43
1.8977L 485 MBStE480.7 TM485-60557018460,43
1.8978L 555 MB555-6756251861w/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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