Sungil Steel

(Product features and core technology, Technical development description and process, etc.)

1. Product features and core technology
Heat treatment technology is a field that needs solid technical skill and skilled know-how. Our company developed heat treatment technology for thin plate of special steel and martensite stainless steel first in Korea in this industrial field. We currently supply electric, electronic and automobile parts to Korean companies and also export about 100 tons of stainless steel to U.S.A.
Detailed technological skills, such as pressing, heat treatment, polishing, etc., are needed for manufacturing stationary and industrial cutter blades. For manufacturing good quality products, strict quality control is required.

cold rolled steel strip
2. Technical development description and process
In 2008, we were requested to develop heat treatment of special steel for automotive wiper and we successfully developed heat treatment texture of 80% martensite and 20% bainite based on our 30 years of experience and know-how in heat treatment. Then, the product passed test of ADM 21 Co., Ltd. and Cap Co., Ltd., Korean wiper companies, in 3 years, successfully maintaining R figuration under the temperature change of กพ50กษ or higher. Our products have been acknowledged with the excellent performance even at the driving speed of 200Km per hour or faster.
Through our technology development as above, we have got increased orders from the companies and have maintained good business partnership with them. We, Sung Il Special Steel Co., Ltd., are trying our utmost to make and maintain continuous research and development of heat treatment that customers want.

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