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Hot Rolled Ribbed Bars

1. Property and Application: Hot rolled strings with spiral surface profile, it is one of the most used construction concrete reinforcement steel.

2. Series and Property.






Types Series Elements Property
Outer Shape Strength Grade C Si Mn V (kgf/m) N/m kgf/mN/M Extension (%)
Smooth surface I A3AY3 0.14-0.22 0.12-0.30 0.35-0.65   Not Less Than Not Less Than Not Less Than
21 (235) 38 (370) 25
Ribbed surface II 20MnSi 0.17-0.25 0.40-0.80 1.2¡ª1.6   34 (335) 52 (510) 16
IV 40Si2MnV 0.36-0.46 1.40-1.80 0.70-1.00 0.08-0.15 55 (510) 85 (835) 10


Series and Sizes

Spiral Wire
  Model   Round Rolled
  Size    16 ~ 50




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