Application areas:

AISI 440C stainless steel ball is usually used in demanding industries: aviation, aerospace,

bearings, motors, high precision instruments, valves, oil, precision and anti-rust performance.

Features:

Microstructure of a martensitic steel, the production process requires high.The heat treatment process is more complicated, easy to crack, and the high accuracy requirements, is the most hard ball in a stainless steel ball: HRC ≧ 58. Hardness close to the bearing steel ball, but than the former has more rust and corrosion performance.

Jinan Tiancheng Group Co., Ltd., is a multiple enterprise with various products, our company mainly specialize in manufacturing steel proudcts, covering nylon coated wire, steel balls, iron nails and so on. 

We have invested in high-tech inspection and testing equipment to ensure good and consistent quality control.Our company was certified with ISO9001:2008 and ISO14001:2004 and accredited with ISO/TS16949:2009 .

we have a professional trade company with rich experiences in exporting. Our products are exported to international markets including USA ,Italy,Germany, Canada, United Kingdom, Japan and South Korea etc.