Barre a filettatura continua CTB: caratteristiche tecniche Mid
Hot rolled Continuous Threaded Bars: technical details   
MID CODE LR20M LR25M LR28M LR32M LR40M LR50M LR57M LR63M
Nominal Diameter  mm 20 25 28 32 40 50 57,5 63,5
Steel Grade N/mm˛ 670/800
Load at Yield Min. kN 210 328 412 538 841 1315 1740 2078
Ultimate Load Min. kN 251 392 492 643 1004 1571 2078 2534
Agt % ≥ 5%
Average section mm˛ 314 490 615 803 1255 1963 2596 3167
Weight kg/m 2,47 3,85 4,83 6,31 9,86 15,41 20,38 24,86
Diameter min/max mm 20/23 25/29 28/32 32/36 40/45 50/56 57,5/63 63,5/70