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L290NB Steel Forged Flange 1.0484 Flange EN 1092 1 Type 01

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L290NB Steel Forged Flange 1.0484 Flange EN 1092 1 Type 01

L290NB forged flanges 1.0484 steel forged flange EN1092-1 Steel forged flanges


Grade :L290NB
Number:1.0484
Classification:Non-alloy quality steel
Density:7.85 g/cm ³
Standard:
EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
EN 10208-2: 2009 Steel pipes for pipelines for combustible fluids. Pipes of requirement class B. Technical delivery conditions

Chemical composition % of steel L290NB (1.0484): EN 10253-2-2007
CSiMnNiPSCrMoVNNbTiAlCu-
max 0.17max 0.4max 1.2max 0.3max 0.025max 0.02max 0.3max 0.1max 0.05max 0.012max 0.05max 0.040.015 - 0.06max 0.25CEV < 0.42


Mechanical properties of steel L290NB (1.0484)
Rm - Tensile strength (MPa)415
Rt0.5 - Yield strength for 0.5% total elongation(MPa)290-440
KV - Impact energy (J) transverse,
40
KV - Impact energy (J) longitud.,
60
A - Min. elongation at fracture (%)21-23


Equivalent grades of steel L290NB (1.0484)
EU
EN
USA
-
Germany
DIN,WNr
L290NB
X42
StE290.7
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