Classification of Alloy Steel Shots with Different Production Standards
Alloy steel shot is one of the essential equipment used in couplings and vehicle equipment. Without it, there would be no cars running on the road today. Below are some classifications.
Products such as alloy steel balls are not just one type of product on the market. Products produced according to different standards can be divided into the following four categories, as follows:
Non national standard steel shot refers to the general term for steel shot whose indicators do not meet the national standard level.
2. National standard alloy steel shot
The national standard for alloy steel shot refers to the steel shot after one-time quenching, with a hardness of HRC 40~50. 0.85% -1.20% carbon: 0.40% -1.20% silicon: 0.60% -1.20% manganese: (S170:0.50% -1.20% S110, S70:0.35% -1.20%), sulfur S0.05%, phosphorus P This steel shot has a wide range of applications and is widely used in various industries for cleaning, strengthening, and balancing.
3. SQ steel shot
SQ steel shot is actually a high-performance national standard steel shot. After secondary quenching, its technical indicators are the same as those of national standard steel shot. This type of steel shot can make the metallographic structure denser, heal surface microcracks, refine grains, and its service life is 1.3 times that of ordinary national standard steel shot.
4. Low shell steel shot
Low bainitic steel shot is an abbreviation for low-carbon bainitic steel shot, and the hardness of this alloy steel shot is HRC42-48/48-54. Among them, carbon C: 0.10% -0.20%, silicon Si: 0.10% -0.30%, manganese Mn: 0.35% -1.5%, sulfur 0.05%, phosphorus 0.05%, and alloy elements such as chromium, molybdenum, nickel, boron, aluminum, and copper are added. Its service life is the universal national standard for alloy steel shot.
There are four categories of alloy steel balls mentioned above, and we can see that the production standards for different steel balls are different, so it is important to pay attention when choosing.
Editor: Suger
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