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

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

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

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Material	X12Ni5
Standard	EN1092-1 Type 01
Steel Number	1.5680
Type	wn flanges

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Product Specification


Material	X12Ni5	Standard	EN1092-1 Type 01
Steel Number	1.5680	Type	wn flanges

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)

Z - Reduction in cross section on fracture (%) (+N)

Equivalent grades of steel X12Ni5 (1.5680) Warning! Only for reference

EU
EN

France
AFNOR

X12Ni5

5Ni390

Z10N05

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