Metals -> Bronze -> Tin-free foundary bronzes Characteristics of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ).
Material : BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) ( ÁðÀÌö9-2Ë ) Classification : Tin-free foundary bronzes
Chemical composition in % of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) . Fe Si Mn Ni P Al Cu As Pb Zn Sb Sn Impurity max 1 max 0.2 1.5 - 2.5 max 1 max 0.1 8 - 9.5 85.2 - 90.5 max 0.05 max 0.1 max 1.5 max 0.05 max 0.2 all 2.8
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) .
Assortment
Dimension
Direct.
s â
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - cast in a metal mould 392 20 sand (mould) casting 392 20
Brinell hardness of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) , cast in a metal mould HB 10 -1 = 80 MPa Brinell hardness of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) , sand (mould) casting HB 10 -1 = 80 MPa
Physical properties of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) . 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 0.903 71.2 7600 110 100 17
Friction coefficient of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) . Friction coefficient with oil
: 0.006 Friction coefficient without oil
: 0.18
Technological properties of the material BrÀ9Mts2L ( BrÀ9Mts2L, ÁðÀ9Ìö2Ë ) . Melting temperature, °C : 1060 Linear shrinkage, % : 1.7
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]
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