Prestressing Steel THREADBAR ®

Technical Data

Nominal Diameter Steel Grade Ultimate Strength fpu 0.1%

(a)

 Proof Strength		 70%

(b)

 Ultimate Strength		 50% Ultimate Strength Cross Sectional Area Diameter over Threads Thread Pitch Bar Weight
mm N/mm2 kN kN kN kN mm2 mm >mm kg/m
15 900/1100 195 159 136 98 177 17 10 1.44
20 900/1100 345 283 241 173 314 23 10 2.56
26.5 950/1050 579 523 405 290 551 30 13 4.48
32 950/1050 844 764 591 422 804 36 16 6.53
36 950/1050 1069 967 748 535 1018 40 18 8.27
40 950/1050 1320 1194 924 660 1257 45 20 10.21
47 950/1050 1822 1648 1275 911 1735 52 21 14.10

(a) 0.1% Proof Stress also referred to, in general terms, as Yield Strength - Ty.
(b) For geotechnical applications 75% fpu may be used for proof testing.



Modulus of Elasticity: E = 205,000 N/mm2 ± 5%.
Stock Lengths: 15mm diameter bars, 6.0m; 20mm - 47mm diameter bars, 12.0m. Tolerances ± 100mm.
All bar diameters can be cut to length to suit customer requirements.