Fully Ribbed Bar Rock Bolt

Short Description:

Rock bolts are widely used for rock reinforcement in mining and tunneling. Our heat-treated rebars have big advantage on yield strength, tensile strength and pre-stress, which could help to support underground tunnels, roofsupport. Steel grade:  20MnSi Dia Yield strength MPa Tensile strength MPa Elongation Rate % Yielding Load KN Tensile Load KN Weight Kg/m φ16  ≧345  ≧510  ≧25  ≧69  ≧100 1.6 φ18  ≧345  ≧510  ≧25  ≧87  ≧126 2 φ20  ≧345  ≧510  ≧25  ≧108  ≧156 2.5


Product Detail

Product Tags

Rock bolts are widely used for rock reinforcement in mining and tunneling. Our heat-treated rebars have big advantage on yield strength, tensile strength and pre-stress, which could help to support underground tunnels, roofsupport.

Steel grade:  20MnSi

Dia Yield strength
MPa
Tensile strength
MPa
Elongation Rate
%
Yielding Load
KN
Tensile Load
KN
Weight
Kg/m
φ16  ≧345  ≧510  ≧25  ≧69  ≧100 1.6
φ18  ≧345  ≧510  ≧25  ≧87  ≧126 2
φ20  ≧345  ≧510  ≧25  ≧108  ≧156 2.5

  • Previous:
  • Next:

  •