Stainless steel powder metallurgy is a type of powder metallurgy material used to manufacture stainless steel, which can be made into steel or parts. Stainless steel powder metallurgy is widely used in machinery, chemicals, ships, automobiles, instruments and meters and other industries because it can save raw materials and energy consumption and achieve low-carbon, green and environmental protection. What are the advantages of stainless steel powder metallurgy? Below, Muyu Taizhou Powder Metallurgy will introduce to you:

1. Corrosion resistance of stainless steel powder metallurgy

Corrosion resistance refers to the ability of stainless steel to resist medium corrosion damage. Corrosion resistance includes rust resistance, resistance to corrosive media such as acid, alkali, and salt, as well as resistance to oxidation, sulfurization, chlorination, and fluorination at high temperatures. When choosing powder metallurgy stainless steel, in addition to emphasizing the general corrosion resistance of stainless steel, it is also necessary to pay attention to local corrosion under specific usage conditions.

2. Mechanical properties of stainless steel powder metallurgy

The mechanical properties of powder metallurgy stainless steel are determined by the powder characteristics, sintered bulk density, and sintering parameters. For example, the production of medium density stainless steel (6.2-3.6g/cm3) is usually done by pressing at 415-825MPa and sintering at 1120-1150 degrees Celsius in decomposition ammonia, hydrogen, or vacuum. Sintering at a higher temperature of 1260-1315 degrees Celsius can yield excellent elongation, impact toughness, and corrosion resistance.

3. Cutting ability of stainless steel powder metallurg

The machinability of sintered stainless steel is the same as that of forged stainless steel. Muyu Taizhou powder metallurgy indicates that high-temperature sintering and sintering in hydrogen or vacuum can improve cutting. When sintering in a nitrogen containing atmosphere, the absorption of nitrogen can result in higher hardness and loss of cutting ability. In industrial production, manganese sulfide can be added to 304L to improve cutting performance.