Buy - Carbon Steel Rebar

RFQ Details

Carbon Steel Rebar: Technical specs as defined by the Brazilian Norm 7480:2007 ACA-50.

Table - Rebar Main Characteristics
Nominal diametera mm Mass and tolerance per length unit Nominal Value
Bar Size Nominal massb kg/m Maximum tolerance permitted per nominal mass Cross Section Area mm2 Perimeter mm2
6.3 0.245 ± 7% 31.2 19.8
8.0 0.395 ± 7% 50.3 25.1
10.0 0.617 ± 6% 78.5 31.4
12.5 0.963 ± 6% 122.7 39.3
16.0 1.578 ± 5% 201.1 50.3
20.0 2.466 ± 5% 314.2 62.8
22.0 2.984 ± 4% 380.1 69.1
25.0 3.853 ± 4% 490.9 78.5
32.0 6.313 ± 4% 804.2 100.5
40.0 9.865 ± 4% 1256.6 125.7
a Other nominal diameters may be supplied according to client request, maintaining the range of tolerance of the closest diameter

b The mass linear density (kg per meter) is obtained through the multiplication of the cross section nominal area in linear squared meters per 7 850 kg/m3



Table - Necessary mechanical properties for Rebar designated for concrete structures
Category Traction minimum values Bending test at 180o Adherence
Flow's characteristic resistance fyk MPae Resistance Limit fst MPae Elongation after rupture in 10 Φ c A % Elongation at maximum strength d Agt % Diameter mm Minimum superficial conformation coefficient η
Φ < 20 Φ >= 20 Φ < 10 mm Φ >= 10 mm
REBAR CA-50 500 1.08 fy 8 5 3 Φ 6 Φ 1.0 1.5
c Φ is the nominal diameter
d The elongation has to follow the criteria of elongation after rupture (A) or total elongation at maximum strength (Agt).
e 1 MPa = 0,1 kgf/mm2
f fst 660 MPa minimum



The rebars have to follow the below Geometrical Configuration.

Observations: (you can see more clearly in the above figure)

· The average space of the transversal oblique ribs, measured at a same cen