e are a big group company for construction material in hangzhou, zhejiang province of china, We have plants both in Hangzhou and Rizhao now, our month production can reach 30000 MT now ,
Regarding the Prestressed concrete steel bar, We have 30 prodution lines , 4 specification. We can pack them either in stand or lay way. So the finished products look beautiful and occupy less space.
Product’s detail:
Chemical composition : 30MnSi
Size: 7.1mm, 9.0mm, 10.7mm, 12.6mm
Standard: GB/T5223.3-2005, JISG3536-2008, KSD 3505etc.
Tensile Strength >=1420MPa;
Yield strength >=1280MPa
Elongation >=5.0%,
Normal Relaxation <=4.0%, Low Relaxation <=2.0%
Feature: good properties for lap welding and heat forging, low relaxation, comprehensive mechanical properties.
Usage: PC bars mainly used in high strength prestressed concrete pipe pile (PHC), electric pole, railway sleeper, viaduct pier etc. All P.C steel wire must be packed in coil.
Coil outside diameter(mm):2300 max
Coil inside diameter(mm):2000min
Packaging: Each coil is strapped by steel bands at least 8 places and fully wrapped with anti-rust paper & P.P woven sheet.
Net weight for each coil(kg): 1000Kg+-100Kg