The physical properties of stainless steel cable ties are mainly expressed in the following aspects:.
1. Thermal expansion coefficient of stainless steel cable ties.
Stainless steel cable ties change the mass element of the material due to temperature changes. The expansion coefficient is the slope of the expansion-temperature curve. The instantaneous expansion coefficient is the slope at a specific temperature. The average slope between two specified temperatures is the average thermal expansion coefficient. The coefficient of expansion can be expressed in terms of volume or length, and is usually expressed in terms of length.
2. The density of stainless steel cable ties.
The density of a substance is the mass per unit volume of the substance, and the unit is kg/m3 or 1b/in3.
3. The modulus of elasticity of the stainless steel cable tie.
When applying a force to both ends of a unit length edge can cause a unit change in the length of the object, the force required per unit area is called the modulus of elasticity, and the unit is 1b/in3 or N/m3.
4. Resistivity of stainless steel cable ties.
The resistance measured between two pairs of stainless steel cable tie surfaces of a unit length cubic material, expressed in Ωm, μΩcm or (obsolete) Ω/(circularmil.ft).
5. Magnetic permeability of stainless steel cable ties.
The dimensionless coefficient indicates the degree to which a substance is easily magnetized, and is the ratio of the magnetic induction intensity to the magnetic field intensity.
6. The melting temperature range of stainless steel cable ties.
Determine the temperature at which the alloy starts to solidify and at which it finishes solidifying.
7. Specific heat of stainless steel cable ties.
The amount of heat required to change the temperature of a unit mass of substance by 1 degree, the value of the specific heat is the same in the British system and the CGs system, because the unit of heat (Biu or cal) depends on the heat required to raise the unit mass of water by 1 degree , The value of specific heat in the international system of units is different from that in the imperial or CGS system, because the unit of energy (J) is defined according to different definitions, and the unit of specific heat is Btu (1b0F) and J/(kgk).
8. The thermal conductivity of stainless steel cable ties.
The measure of the rate of material heat conduction, when a temperature gradient of 1 degree per unit length is established on a material with a unit cross-sectional area, then thermal conductivity is defined as the heat conducted per unit time, and the unit of thermal conductivity is Btu/(hft0F) or w /(mK).
9. Thermal diffusivity.
It is a performance to determine the temperature forward rate inside the substance, and it is the ratio of the product of thermal conductivity to heat and density, and the unit of thermal diffusivity is expressed in Btu/(hft0F) or w/(mk).
As we know, pitting corrosion refers to highly localized corrosion on the surface of metal materials that is not corroded or slightly corroded and scattered. The size of common pits is less than 1.00mm, and the depth is often greater than the surface aperture. The light ones have shallower pits , Seriously even form perforation, intergranular corrosion: grain boundary is the boundary city where grains with different crystallographic orientations are disordered and mixed. Such as carbides and δ phases) are favorable areas for precipitation.
Therefore, in some corrosive media, it is not surprising that the grain boundaries may be corroded first. This type of corrosion is called intergranular corrosion, and most metals and alloys are likely to be corroded in specific corrosive media. It presents intergranular corrosion. Intergranular corrosion is a kind of selective corrosion damage. The difference between it and general selective corrosion is that the locality of corrosion is microscopic, but not necessarily local on the macroscopic scale. Crevice corrosion : Refers to the occurrence of speckled or ulcer-shaped macroscopic corrosion pits in the gaps of metal components. Forms at metal or metal-nonmetal joints, such as rivets, bolts, gaskets, valve seats, loose surface deposits, and marine growth, to form a stable, non-volatile stainless steel tie.
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