Metals -> Nickel -> Semis nickel Characteristics of the material NP4 ( NP4, НП4 ).
Material : NP4 ( NP4, НП4 ) Classification : Semis nickel
Chemical composition in % of the material NP4 ( NP4, НП4 ) . Ni+Co Fe C Si Mn S Cu Mg Impurity min 99 max 0.3 max 0.1 max 0.15 max 0.2 max 0.015 max 0.15 max 0.1 all 1
Mechanical properties under Т=20o С of the material NP4 ( NP4, НП4 ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - annealed 400-500 220 35-40 Sheet hotrolled 400 15
Brinell hardness of the material NP4 ( NP4, НП4 ) , casted HB 10 -1 = 60 - 70 MPa Brinell hardness of the material NP4 ( NP4, НП4 ) , annealed HB 10 -1 = 70 - 90 MPa
Physical properties of the material NP4 ( NP4, НП4 ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 2.25 59.6 8900 100 13.7
Technological properties of the material NP4 ( NP4, НП4 ) . Melting temperature, °C : 1455 Forging temperature,°C : 1140 - 1250 Annealing temperature, °C : 700 - 800 Casting temperature, °C : 1550 - 1650 Linear shrinkage, % : 1
Specification :
Mechanical properties : s в - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - Specific elongation at fracture , [ % ] y - Reduction of area , [ % ] KCU - Impact strength , [ kJ / m2 ] HB - Brinell hardness , [MPa]
Physical properties : T - Test temperature , [Grade] E - Young modulus , [MPa] a - Coefficient of linear expansion
(range 20o - T ) , [1/Grade] l - Termal (heat) condition coefficient , [Watt/(m·Grade)] r - Density , [kg/m3 ] C - Specific heat
( range 20o - T ), [J/(kg·Grade)] R - Electrical resistance , [Ohm·m]
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