Description
Refined Zinc or Zinc Ingot
Molecular Formula: Zn
Zn (purity): 98.7%-99.995%
Molecular Weight: 65.39
Density: 7.14( g/cm3)
M.P.: 419.58
B.P.: 907
Molecular Weight: 65.39
Alloy Or Not: alloy
Secondary Or Not: Non-secondary
2.Appearance: silver white lustrous metal;can react with acids, soluble in alkaline solution.
3. Characteristics of high purity zinc ingot:
Shining white metal with bluish gray luster (called spelter). Not found native. Soluble in acids and alkalies. Insoluble in water. Malleable at 100-150 oC. Strongly electropositive. Zinc foil will ignite in presence of moisture. Low toxicity.
Hazards: Flammable, dangerous fire and explosion risk (dust).
4.Specifications:
|
Zinc ingot(GB/T470-1997) |
||||||||||
|
mark |
chemical comporsition(%) |
|||||||||
|
Zn≥ |
impurity content≤ |
|||||||||
|
Pb |
Cd |
Fe |
Cu |
Sn |
Al |
As |
Sb |
total |
||
|
Zn99.995 |
99.995 |
0.003 |
0.002 |
0.001 |
0.001 |
0.001 |
|
|
|
0.005 |
|
Zn99.99 |
99.99 |
0.005 |
0.003 |
0.003 |
0.002 |
0.001 |
|
|
|
0.01 |
|
Zn99.95 |
99.95 |
0.02 |
0.02 |
0.01 |
0.002 |
0.001 |
|
|
|
0.02 |
|
Zn99.5 |
99.5 |
0.3 |
0.07 |
0.04 |
0.002 |
0.002 |
0.01 |
0.005 |
0.01 |
0.5 |
|
Zn98.7 |
98.7 |
1 |
0.2 |
0.05 |
0.005 |
0.002 |
0.01 |
0.01 |
0.02 |
1.3 |
5.Analysis fo high purity zinc ingot:
|
ltimate tensile strength |
331 MPa (270 MPa aged) |
48,000 psi (39,000 psi aged) |
|
Yield strength (0.2% offset) |
295 MPa |
43,000 psi |
|
Impact strength |
52 J (56 J aged) |
38 ft-lbf (41 ft-lbf aged) |
|
Elongation at F max |
2% |
|
|
Elongation at fracture |
3.6% (13% aged) |
|
|
Shear strength |
262 MPa |
38,000 psi |
|
Compressive yield strength |
600 MPa |
87,000 psi |
|
Fatigue strength (reverse bending 5×10 8 cycles) |
57 MPa |
8,300 psi |
|
Hardness |
114 Brinell |
|
|
Modulus of elasticity |
96 GPa |
14,000,000 psi |
|
Solidification range (melting range) |
380386 °C |
716727 °F |
|
Density |
6.7 kg/dm 3 |
0.24 lb/in 3 |
|
Coefficient of thermal expansion |
27.4 μm/m-°C |
15.2 μin/in-°F |
|
Thermal conductivity |
109 W/mK |
756 BTU-in/hr-ft 2 -°F |
|
Electrical resistivity |
6.54 μΩ-cm at 20 °C |
2.57 μΩ-in at 68 °F |
|
Latent heat (heat of fusion) |
110 J/g |
4.7×10 -5 BTU/lb |
|
Specific heat capacity |
419 J/kg-°C |
0.100 BTU/lb-°F |
|
Coefficient of friction |
0.08 |
|
