Hot rolled Continuous Threaded Bars: technical details   
In accordo al D.M. n. 8 del 17/01/2018
"Norme tecniche per le costruzioni"
B450C CODE LR20B LR25B LR28B LR32B LR40B
Nominal Diameter  mm 20 25 28 32 40
Steel Grade N/mm˛ 450/540
Load at Yield Min. kN 141 221 277 361 565
Ultimate Load Min. kN 169 265 332 434 678
Agt % ≥ 7,5%
Average section mm˛ 314 490 615 803 1255
Weight kg/m 2,47 3,85 4,83 6,31 9,86
Diameter min/max mm 20/23 25/29 28/32 32/36 40/45
STD CODE LR20S LR25S LR28S LR32S LR40S LR50S LR57S LR63S
Nominal Diameter  mm 20 25 28 32 40 50 57,5 63,5
Steel Grade N/mm˛ 500/550 555/700
Load at Yield Min. kN 157 245 308 402 628 982 1441 1758
Ultimate Load Min. kN 169 265 332 434 678 1078 1818 2217
Agt % ≥ 6%
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
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
PLUS+ CODE LR20P LR25P LR28P LR32P LR40P
Nominal Diameter  mm 20 25 28 32 40
Steel Grade N/mm˛ 900/1100
Load at Yield Min. kN 282 441 553 723 1129
Ultimate Load Min. kN 345 539 676 883 1380
Agt % ≥ 3,5%
Average section mm˛ 314 490 615 803 1255
Weight kg/m 2,47 3,85 4,83 6,31 9,86
Diameter min/max mm 20/23 25/29 28/32 32/36 40/45
Available lengths:  2 - 3 - 4 m, other lengths on request; max length: 12 m
We reserve the right to modify the design, dimensions and weights of our products without prior notice