Metals -> Casting steel -> Casting steel for general purposes Characteristics of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ).
Material : 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) Classification : Casting steel for general purposes
Chemical composition in % of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) . C Si Mn Ni S P Cr V Cu max 0.1 0.15 - 0.4 0.6 - 1 1.15 - 1.55 max 0.035 max 0.035 max 0.3 0.06 - 0.15 0.8 - 1.2
Temperature of critical points of the grade 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ).
Ac1 = 690 , Ac3 (Acm ) = 873 , Ar3 (Arcm ) = 730 , Ar1 = 585
Mechanical properties under Ò=20o Ñ of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) .
Assortment
Dimension
Direct.
s â
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - Casting to 100 450 350 18 30 500 Normalizing 930 - 970o C,Drawing 590 - 650o C,
Brinell hardness of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) , HB 10 -1 = 126 - 178 MPa
Physical properties of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) . 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 2.12 39 7850 223 100 2.06 10.3 39 483 275 200 2.01 11.3 39 500 367 300 1.89 12 39 517 487 400 1.77 13 37 529 607 500 1.67 13.6 35 554 753 600 1.55 14.1 32 571 870 700 1.37 14.4 30 613 1065 800 1.27 12.5 28 697 1125 900 13 27 693 1150 T E 10- 5 a 10 6 l r C R 10 9
Technological properties of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) . Weldability: without limitations. Flakes : not predisposed Temper brittleness: not predisposed
Technological properties of the material 08GDNFL ( 08GDNFL, 08ÃÄÍÔË ) . Linear shrinkage, % : 2.1
Specification :
Mechanical properties :
s â - 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]
Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing
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