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Pry is a frame system, exclusively used for steel houses, that was jointly developed by Yehwa Co., Ltd., world-level steel company POSCO and RIST, one of the largest steel structure research institute in Korea. This is a steel house and truss construction method that constitutes the entire frame by using galvanizing lightweight shape steel with high strength (SGC 58 level, yielding strength: 5,700kg/sq. centimeters) and with a minimum thickness of 0.6mm.
Pry frame is designed and constructed according to ¡®the steel house floor/ wall structure system (No. 258) using cold framed steel, which is designated as a new construction technology by the Ministry of Construction & Transportation.
 
 
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