G200 440C Stainless Steel Ball is one of the steel ball products that Condar can produce. We are a steel ball manufacturer and supplier from China, integrating production and sales. Our products are of high quality, rust-proof and wear-resistant, and can provide a long service life. We look forward to achieving long-term cooperation with you.
G200 440C stainless steel ball is very suitable for some industries with high requirements for rust and corrosion resistance. It also has relatively high hardness and excellent performance. It can withstand high-pressure use environments and has strong wear resistance and toughness.
The steel ball grade of G200 440/440C stainless steel ball is 200. The grade is mainly determined by indicators such as ball diameter variation, spherical error, batch diameter variation, and surface roughness. We will strictly control these indicators in production to ensure that the product can meet your needs and achieve higher quality and precision, which is especially important for industries such as precision instruments and aerospace.
To answer this question, Condar first needs to clarify: the choice of steel ball material for grinding and polishing is determined by the characteristics and performance of the medium, not by its price. Of course, if the product's inherent added value is low, expensive grinding media will not be chosen.
Grinding is the process of grinding and polishing a workpiece surface using abrasives and abrasives to improve surface quality. 440C stainless steel balls are hard and rust-resistant, so during the grinding process, the abrasive material on their surface wears away quickly, resulting in lower grinding efficiency. Another practical issue is the high price of 440C stainless steel balls, making their use relatively expensive for grinding.
However, for some special cases, using 440C stainless steel balls is necessary. When the workpiece surface requirements are extremely high, or the material is hard and wear-resistant, 440C stainless steel balls are recommended for better grinding results and surface quality. Furthermore, specialized industries like aerospace and medical devices have very strict requirements on workpiece materials and performance, so the use of 440C stainless steel balls for grinding is also quite common.
With this understanding, the question we raised should be answered. Whether or not it's wasteful depends on the specific situation. For general-purpose grinding, we can choose one of our other steel ball types to reduce costs and improve efficiency. For grinding with specialized requirements, 440C stainless steel balls may be a better choice, and we recommend this type of product.
Main specifications: 0.3mm-50.8mm, larger size steel balls can be customized;
Density: 7.75g/cm3;
Steel ball grade: G200;
Rockwell hardness: HRC58-62;
Ball diameter variation: 5μm
Spherical error: 5μm
Surface roughness: 0.15μm
Ball batch diameter variation: 10μm
Ball gauge value spacing: 15μm
Preferred ball gauge value: -60 - +60
Main features: high hardness, good rust resistance, high price, the noble among stainless steels, performance better than 420/420C;
Application areas: hardware, deep-sea bearings, auto parts, precision instruments, food grinding, medical equipment, etc.;
Packing methods: carton + pallet, wooden box packaging, small bags, can be packaged according to customer requirements;
|
|
C |
Mn |
Si |
P |
S |
Cr |
Mo |
|
9Cr18 |
0.90-1.00 |
≤0.80 |
≤0.80 |
≤0.035 |
≤0.030 |
17.0-19.0 |
-- |
|
9Cr18Mo |
0.95-1.10 |
≤0.80 |
≤0.80 |
≤0.035 |
≤0.030 |
16.0-18.0 |
0.4-0.8 |
