Can these two be compared together?
Question 2: Which is better, stainless steel or aluminum alloy? Hardness description of AL5052:
Many customers are very concerned when buying aluminum, and the first choice of hardness is directly related to the chemical composition of aluminum alloy. Secondly, different states also have great influence. The highest hardness that can be reached decreases in order of 7 series, 2 series, 4 series, 6 series, 5 series, 3 series and 1 system.
Hardness: Strength is an important factor that must be considered in product design. When it is an aluminum alloy component, the appropriate alloy should be selected according to the pressure. The strength of pure aluminum is the lowest, while the alloying degree of heat treatment series 2 and 7 is the highest, and there is a certain correlation between hardness and strength.
Characteristics and application range of 9Cr 18Mo stainless steel;
9Cr 18Mo is a high carbon chromium stainless steel, which is used to manufacture snap rings and rolling elements. It can be used as a cutting tool for stainless steel slicers, shearing knives, surgical blades and parts of high wear-resistant equipment.
9Cr 18 is a high carbon chromium martensitic stainless steel bearing steel. After quenching, it has high hardness and wear resistance, high and low temperature dimensional stability. The properties and uses of 9Cr 18Mo are basically the same as those of 9Cr 18 steel, but it has higher hardness and tempering stability after quenching, and molybdenum can increase the passivation effect of stainless steel. Use of 9Cr 18 and 9Cr 18Mo high-carbon chromium stainless steel balls: Suitable for manufacturing bearings in corrosive media such as seawater, river water, nitric acid, steam and ocean, such as bearings in ships and submersible pumps, bearings in petrochemical machinery and bearings in navigation instruments.
Question 3: Which is better, alloy steel or stainless steel? There are standards for classification and numbering.
It can be roughly divided into carbon steel and alloy steel by composition.
According to the purpose, it can be divided into structural steel (such as quenched and tempered steel, carburized steel, etc.) and tool steel (such as measuring tool steel, hot and cold die steel, etc. ) and special-purpose steel (such as bearing steel, spring steel, stainless steel, etc. ).
If used as a spring, spring steel should be used, such as 65 steel, 70 steel, 60Mn, etc. It belongs to carbon steel, 65SiMn, 65Si2 Mn, etc. Belonging to alloy steel.
As a spring, spring steel makes the best use of everything, which not only has good performance, anti-fatigue and long service life. Its machinability and service performance are superior to other steels.
Question 4: Which is better, manganese alloy material or 304 stainless steel material? 304 stainless steel has good corrosion resistance and high temperature resistance; Manganese alloy is only an alloy steel to improve the strength or hardness of steel. The price of 304 is high, because nickel and chromium in 304 are more expensive.
Question 5: Which is better for heat dissipation, aluminum alloy or stainless steel? Aluminum alloy has good heat dissipation coefficient.
Give you the thermal conductivity (heat dissipation coefficient) of various aluminum alloys, in unit (W/m.K).
606 1: 155
1070:226
1050:209
6063:20 1
Steel (containing 0.5% carbon): 54
Question 6: Is alloy better or stainless steel better? It's just that the concept of some accessories is a bit confusing! Stainless steel belongs to alloy category. If Fe-Cr-Ni alloy is called stainless steel iron, if Cu-Cr-Mn alloy is called stainless steel.
Question 7: Which is better, aluminum alloy or stainless steel? Aluminum alloy or stainless steel above grade 204 can be used in humid environment, and aluminum alloy or plastic steel can be used in the environment with acidic substances or gases.
Question 8: Which is better, titanium alloy or 304 stainless steel? Titanium alloy has high strength, good corrosion resistance and high heat resistance, and is widely used in various fields.
The density of titanium alloy is about 4.5 1g/ cm3, which is only 60% of steel. The density of pure titanium is close to that of ordinary steel, and the strength of some high-strength titanium alloys exceeds that of many alloy structural steels. Therefore, the specific strength (strength/density) of titanium alloy is much higher than that of other metal structural materials, as shown in Table 7- 1. Parts with high unit strength, good rigidity and light weight can be manufactured. Aircraft engine parts, skeleton, skin, fasteners and landing gear are all titanium alloys.
304 is a general-purpose stainless steel, which is widely used to manufacture equipment and parts that require good comprehensive performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium and more than 8% nickel.
The density is 7.93 g/cm3, which is also called 18/8 stainless steel in the industry. High temperature resistance of 800 degrees, good processability and high toughness, widely used in industry, furniture decoration industry and food and medical industry.
Of course, titanium alloy is better than 304, with high strength and low density corrosion resistance.
Question 9: Which is more expensive, aluminum alloy or stainless steel? In the second half of this year, metal prices plummeted. At present, the quotations of several suppliers I have are roughly as follows: stainless steel SUS 304: 28-30 RMB /kg stainless steel SUS3 16: 55 RMB /kg aluminum alloy Al5052: 20 RMB /kg aluminum alloy Al 6061:KLOC-0/8 RMB /kg. Because the density of aluminum alloy is around 2700 kg/kg, Generally speaking, stainless steel is much more expensive than aluminum alloy.