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L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges

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L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges

L415QB spectacle blind flanges EN1092-1 forged flanges 1.8947 steel forged flanges


Grade :L415QB
Number:1.8947
Classification:Alloy special 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 L415QB (1.8947): EN 10253-2-2007
CSiMnNiPSCrMoVNNbTiAlCu-
max 0.16max 0.45max 1.6max 0.3max 0.025max 0.02max 0.3max 0.1max 0.08max 0.012max 0.05max 0.040.015 - 0.06max 0.3V+Nb+Ti <0.15, CEV < 0.43


Mechanical properties of steel L415QB (1.8947)
Rm - Tensile strength (MPa)520
Rt0.5 - Yield strength for 0.5% total elongation(MPa)415-565
KV - Impact energy (J) transverse,
40
KV - Impact energy (J) longitud.,
60
A - Min. elongation at fracture (%)18-20
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