Brief Analysis of stainless steel decorative ball manufacturers what are the functional characteristics of carbon on stainless steel?
carbon is a common element second only to chromium in stainless steel. The Structure and properties of stainless steel depend to a large extent on carbon content and its distribution. Carbon is a stable austenite element, which has a strong stabilizing effect on austenite, about 30 times that of nickel. Carbon has an effect on austenitic zone of stainless steel. Chromium steel in α or α, γ phase region at high temperature cannot or is difficult to obtain martensite structure by quenching. Take steel containing 13% chromium as an example, the carbon content is less than 0. 08% is ferritic steel with carbon content of 0. 08%-0. 15% is semi-Markov steel with carbon content greater than 0. 15% is martensitic steel. Carbon can significantly improve the strength of stainless steel, from 2Cr13, 3Cr13, 4Cr13 to 9Cr18. The strength of steel increases step by step with the increase of carbon content. Carbon is also a very effective solid solution strengthening element in austenitic steel.
performance of stainless steel decorative ball: hardness reaches 56- 58 degrees, magnetic, good corrosion resistance, wear resistance and toughness. Uses: mainly used in bearings, stamping/hydraulic parts, valves, seal refrigeration equipment, aerospace high-precision mechanical parts. Specifications: Φ1. 0-φ30. Application: 440C stainless steel balls are usually used in industries with high requirements for precision and antirust performance: aviation, aerospace, bearings, motors, high precision instruments, valves and petroleum.
characteristics: the metallographic structure belongs to martensitic steel, and the production process requirements are relatively high. There are few domestic enterprises that can produce stainless steel 440C, therefore, enterprises that can produce 440C materials are often reputed as special stainless steel. The heat treatment process is complicated, easy to crack, and has high precision requirements. It is a hard stainless steel ball in the steel ball: HRC ≧58. The hardness is close to that of the bearing steel ball, but it has stronger rust prevention and corrosion resistance than the former. Comparison: it has stronger anti-rust and anti-corrosion properties than 440 stainless steel balls. The hardness is enhanced and the wear resistance is also improved.
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