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X12Ni5 welding neck flanges EN 10222-3 forged wn flanges 1.5680 forged wn flanges

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X12Ni5 welding neck flanges EN 10222-3 forged wn flanges 1.5680 forged wn flanges

Material : X12Ni5

Standard : EN1092-1 Type 01

Steel Number : 1.5680

Type : wn flanges

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Grade : X12Ni5
Number: 1.5680
Classification: Alloy special steel
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 10216-4: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes 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 X12Ni5 (1.5680): EN 10028-4-2003
Cr+Cu+Mo < 0.5%; According EN 10216-4:2014 0.5 =< Ni =< 5.3
C Si Mn Ni P S V
max 0.15 max 0.35 0.3 - 0.8 4.75 - 5.25 max 0.02 max 0.005 max 0.05


Mechanical properties of steel X12Ni5 (1.5680)
Nominal thickness (mm): to 50
Rm - Tensile strength (MPa) (+N) 510-710
Nominal thickness (mm): to 30 30 - 50
ReH - Minimum yield strength (MPa) (+N) 390 380
KV - Impact energy (J) longitud., (+N) +20°
70		 0°
70		 -20°
65-70		 -40°
65		 -50°
65		 -60°
60-65		 -80°
60		 -100°
45-50		 -120°
40
KV - Impact energy (J) transverse, (+N) +20°
50-60		 0°
60		 -20°
45-55		 -40°
45		 -50°
45		 -60°
40-45		 -80°
40		 -100°
30		 -120°
27
Nominal thickness (mm): to 50
A - Min. elongation at fracture (%) (+N) 19-20
A - Min. elongation at fracture (%) longitud., (+QT) 21
Z - Reduction in cross section on fracture (%) (+N) 50


Equivalent grades of steel X12Ni5 (1.5680)
Warning! Only for reference
EU
EN		 France
AFNOR
X12Ni5
5Ni390
Z10N05

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