Specifications
Steel Number :
1.5662
Material :
X8Ni9
Type :
welding neck flanges
Type flange :
wn flange
Description
Grade : X8Ni9
Number: 1.5662
Classification: Alloy special steel
Density: 7.89 g/cm ³
Standard:
EN 10028-4: 2009 Flat products made of steels for pressure purposes. Nickel alloy steels with specified low temperature properties
EN 10222-3: 1999 Steel forgings for pressure purposes. Nickel steels with specified low-temperature properties
EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition % of steel X8Ni9 (1.5662): EN 10028-4-2003
Cr+Cu+Mo < 0.5%
C Si Mn Ni P S Mo V
max 0.1 max 0.35 0.3 - 0.8 8.5 - 10 max 0.02 max 0.005 max 0.1 max 0.05


Mechanical properties of steel X8Ni9 (1.5662)
Nominal thickness (mm): to 50
Rm - Tensile strength (MPa) (+N) 640-840
Nominal thickness (mm): to 30 30 - 50
ReH - Minimum yield strength (MPa) (+N) 490 480
Nominal thickness (mm): to 30 30 - 50
ReH - Minimum yield strength (MPa) (+QT) 490-585 480-575
KV - Impact energy (J) longitud., (+N) +20°
100

100
-20°
100
-40°
100
-50°
100
-60°
100
-80°
100
-100°
90
-120°
80
-150°
70
-170°
60
-196°
50
KV - Impact energy (J) transverse, (+N) +20°
70

70
-20°
70
-40°
70
-50°
70
-60°
70
-80°
70
-100°
60
-120°
50
-150°
50
-170°
45
-196°
40
KV - Impact energy (J) longitud., (+QT) +20°
120

120
-20°
120
-40°
120
-50°
120
-60°
120
-80°
120
-100°
110
-120°
100
-150°
90
-170°
80
-196°
70
KV - Impact energy (J) transverse, (+QT) +20°
100

100
-20°
100
-40°
100
-50°
100
-60°
100
-80°
100
-100°
90
-120°
80
-150°
70
-170°
60
-196°
50
Nominal thickness (mm): to 50
A - Min. elongation at fracture (%) 18
Z - Reduction in cross section on fracture (%) (+QT) 50


Equivalent grades of steel X8Ni9 (1.5662)
Warning! Only for reference
EU
EN
France
AFNOR
X8Ni9
9Ni490
Z8N09
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X8Ni9 welding neck flanges EN 10222-3 wn forged flanges 1.5662 steel forged wn flanges

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Steel Number :
1.5662
Material :
X8Ni9
Type :
welding neck flanges
Type flange :
wn flange
Contact Supplier
X8Ni9  welding neck flanges  EN 10222-3 wn forged flanges  1.5662 steel forged wn  flanges
X8Ni9  welding neck flanges  EN 10222-3 wn forged flanges  1.5662 steel forged wn  flanges
X8Ni9  welding neck flanges  EN 10222-3 wn forged flanges  1.5662 steel forged wn  flanges
X8Ni9  welding neck flanges  EN 10222-3 wn forged flanges  1.5662 steel forged wn  flanges
X8Ni9  welding neck flanges  EN 10222-3 wn forged flanges  1.5662 steel forged wn  flanges

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