Weldable, sustainable reinforcing steel featuring improved bonding and high ductility, low carbon contents, packaged in coils, hot rolled and cold stretched.
Product characteristics
Distinctive elements
Optimisation of production parameters in view of obtaining all products in class C - high ductility, guaranteeing:
Chemical composition
max. C % | max. P % | max. S % | max. Cu % | max. N % | max. Ceq |
0,22 | 0,050 | 0,050 | 0,80 | 0,012 | 0,50 |
(0,24) | (0,055) | (0,055) | (0,85) | (0,014) | (0,52) |
The figures in brackets refer to product analysis
Range of dimensions
Weight and packaging
Coil weight:
Packaging:
Coils strapped in 4 positions
Coil dimensions:
Labelling
Each coil is identified with a plasticized label showing the following details:
Trade names
ALFA RB
Rolling marking
Mechanical features
The standardisation of the production process made it possible to obtain the homogenisation and repeatability of the mechanical characteristics.
The high ductility of the product is expressed by the following parameters:
Standard | Grade | Re - Yield Strength N/mm 2 | Rm - Tensile Strength N/mm 2 | Rm/Re | Specific Re/Re | Agt % | A5 % |
D.M. 17/01/2018 | B 450 C | ≥ 450 | ≥ 540 | ≥ 1,15≤ 1,35 | ≤ 1,25 | ≥ 7,5 | |
DIN 488 | B 500 B | ≥ 500 | ≥ 1,08 | ≤ 1,30 | ≥ 5 | ||
SIA 262 | B 500 B | ≥ 500 | ≥ 1,08 | ≤ 1,30 | ≥ 5 | ||
NFA 35080-1 | B 500 B | ≥ 500 | ≥ 1,08 | ≤ 1,30 | ≥ 5 |
* Characteristic values
Geometrical features
Ø mm | fR | fR DIN 488 |
6 | ≥ 0,035 | ≥ 0,045 |
8 | ≥ 0,042 | ≥ 0,052 |
10 | ≥ 0,042 | ≥ 0,060 |
12 | ≥ 0,042 | ≥ 0,064 |
Trade names
ALFA RB 55
Rolling marking
Mechanical features
The standardisation of the production process made it possible to obtain the homogenisation and repeatability of the mechanical characteristics.
The high ductility of the product is expressed by the following parameters:
Standard | Grade | Re - Yield Strength N/mm 2 | Rm - Tensile Strength N/mm 2 | Rm/Re | Specific Re/Re | Agt % | A5 % |
ÖNORM B 4707 | B 550 B | ≥ 550 | ≥ 1,08 | ≤ 1,30 | ≥ 5 |
* Characteristic values
Geometrical features
Ø mm | fR |
8 | ≥ 0,040 |
Sales Organisation - Alfa Acciai
Country | Sales agent | Address | Telephone |
Germany, Switzerland | Monsider SA | Via Ciossèt 2, 6743 Bodio, Switzerland | +41 91 8809030 | stahl@monsider.ch |
France | Cesider SAS | 6, Avenue René Froger, 05100 Briancon, France | +33 4 92 212914 | info@cesider.fr |
Austria | Steelmex SAS | Via Tosi 4, 20900 Monza, Italy | +39 039 2020156 | info@steelmexsas.it |
Slovenia, Croatia | Siviera doo | Vrtojba, Mednarodni prehod 1, 5290 Sempeter pri Gorici, Slovenija | +386 82051188 | info@siviera.si |
Romania | Saverio Frisardi PFA | Blvd Lacul Tei, nr 1 - 3, 020371 Bucharest, Romania | +40 723500704 | saverio@frisardi.biz |
Greece, Cyprus | Cotsis SA | 81-83, Evelpidon Sr., 1382 Athens, Greece | +30 2108257360 | phcotsis@cotsis.gr |
For the others countries please contact Mr UBALDO DRAGANI
Phone: +39 030 23911 / E-mail: u.dragani@alfaacciai.it
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