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Sales Tel.:

+86-532-87901501

E-mail:

chen@qdrsgl.com

Address:

Qingda Industrial Park,Chengyang District,Qingdao City,Shandong Province,China

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Steel strands for high-speed railways


Category:

PC strand

IntroductionSince the company was put into production, its products have been adopted by many national key projects. Such as: Daxi Railway, Qingrong Railway, Xikang Second Line, Beijing-Shanghai High-speed Railway, Ningzhou-Hangzhou High-speed Railway, Nanguang Railway, Dongping Railway, Xianggui Railway, Baoxi Railway, Luozhan Railway, Hongli Railway, Jiaoji Passenger Line, Hening Railway, Nanjing Weiqi Road Viaduct, Jinan Yellow River Bridge, Yalu Expressway, Yanba Expressway, Guangba Expressway, Shitian Expressway, Anmao Expressway, Qinglan Expressway, Xi'an-Lantian-Business Expressway, Jiangsu Xuzhou Beam Factory, Suxin Expressway, Weinu Expressway, Heping Road Bridge, Shangman Expressway, Brass

APPLICATION & ACHIEVEMENT

PC strand and wire are mainly used to make large, medium and small concrete components of various shapes that are stretched successively, such as railways, highways, urban viaducts and long-span prefabricated components and earthquake-proof structures, etc.They can save steel and reduce the weight of components. It is an internationally recognized new building materials.

QUALITY INSPECTION

(1) Wire rod
Raw material for steel wire products is supplied by steel mill. Steel mils make wire rod by hot rolling process from bilet
(2) Surface treatment
Descaling wire rod removes rust and scales on the surface of wire. Surface coating wire rod facilitates drawing
(3) First Drawing
Descaled and surface coated wire rod is brought to 1st drawing machine to draw to required diameter and to give mechanical properties suitable for application.
(4) Stranding
Positioning the wires within the strands
(5) Stabilizing
Heat treatment process using high frequency relieves and removes stress.

QUALITY INSPECTION

PACKING & SHIPPING

COOPERATION PROJECTS

Keywords:   

PC strand

Plain wire

Sprial wire

Three sides indented pc wire

Spring wire

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