Specifications
Material :
L415QB
Steel Number :
1.8947
Type :
spectacle blind flanges
Standard :
EN1092-1 Type 01
Description

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
C Si Mn Ni P S Cr Mo V N Nb Ti Al Cu -
max 0.16 max 0.45 max 1.6 max 0.3 max 0.025 max 0.02 max 0.3 max 0.1 max 0.08 max 0.012 max 0.05 max 0.04 0.015 - 0.06 max 0.3 V+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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L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges

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Material :
L415QB
Steel Number :
1.8947
Type :
spectacle blind flanges
Standard :
EN1092-1 Type 01
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L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges
L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges
L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges
L415QB Spectacle Blind Flanges EN1092 Flange 1.8947 Steel Forged Flanges

BEST PIPELINE EQUIPMENT CO.,LTD

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