Grade HRB335
Old Grade
Corresponding Standard GB 1499-1998
Hot Rolled Ribbed Steel Bars for The Reinforcement of Concrete
Classification Alloy Steel
HRB335 Chemical Element Composition Content (%)
  Component C Si Mn P S More
HRB335 Minimum Value - - - - - ceq≤0.52
Maximum Value 0.25 0.8 1.6 0.045 0.045
  Component C Si Mn P S More
20MnSi Minimum Value 0.17 0.4 1.2 - -  
Maximum Value 0.25 0.8 1.6 0.045 0.045
Approximate Comparison Table Construction Rebar
China Japan International Organization for Standardization Germany Russia
GB ISC JIS ISO DIN EN/DIN GOST
HRB335 L33350 SD345 PB300
RB300
E355 Ат400С

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