Steel Industry
LIBRA operates in the STEEL STEEL market in the Industrial, Agroindustrial, Automotive, Civil Engineering and Solar Energy areas, providing various materials 100% manufactured in Brazil.
TOLERANCE ROUND TUBES – NBR6591 in several standards of special measures and developed under drawing.
TOLERANCE SQUARE TUBES – NBR6591 in several standards of special measures and developed under drawing.
TOLERANCE RECTANGULAR TUBES – NBR6591 in several standards of special measures and developed under drawing.
SPECIAL TUBES Oblong 30 x 16 mm – Elliptical 14 x 49 mm – Oblong 58 x 29 mm – Oblong 60 x 25 mm and Oblong 60 x 35 mm.
TOLERANCE PIPES – NBR5580 Family of Common Use Tubes (UC-1) ABNT NBR 5580 – Low carbon calmed steel – Black – Low carbon steel tube with longitudinal weld.
Raw Material: SAE 1008 / SAE 1010 / SAE 1012 according to SAE J403. Raw Material USM ISO 9001 and Gerdau ISO 9001 and ISO 14001 certified.
LF – LQ – CG and ANTI-SLIP PLATES – Hot Rolled Plates – Cold Rolled Plates – Thick Plates – Non-slip Plates (Floors) In addition to commercial plates, we also have classified plates: A-36 COR, USI-CIVIL and SAC.
GALVALUME SHEETS AND GALVALUME COILS from 150 to 1200 mm wide and Galvalume Sheet No. 28, 26, 24 and 22.
COVERING SYSTEM – GALVALUME TILES In Natura – Pre-Painted – Post-Painted (Powder Electrostatic). Models Corrugated Roof Roofs – Trapezoidal Roof Roofs – Zipped Roof Roofs – Calendered Roof Roofs – Thermoacoustic Roof Roofs (EPS, PUR, PIR and ROCK WOOL) – Multiply Profile – Ridges – Casings / Gutters.
COVERAGE SYSTEM – TRANSLUCENT TILES Milky – Metallic – Colorless. Models Corrugated Roof Roofs – Trapezoidal Roof Roofs – Zipped Roof Roofs – Calendered Roof Roofs – Thermoacoustic Roof Roofs (EPS, PUR, PIR and ROCK WOOL) – Multiply Profile – Ridges – Casings / Gutters.
ROOFING SYSTEM – CORRUGATED TILES SFL 17 – Useful width 985 mm NRB 14513 Total Width 1085.
ROOFING SYSTEM – MULTIDOBRAS TILES Advantages Aesthetics – Perfect fit of one tile to the other – Has water flow in the folds – Can be used to align facades. Dimensions: (Larger on request) SFL 25 Concave – SFL 40 – 980 Concave/Convex and SFL 40 – 1020 Concave/Convex.
ROOFING SYSTEM – TRAPEZOID TILES SFL 100 Useful Width 952 mm Galvalume and Translucent Total Width 1040 Permissible Overload Kgf/m2.
ROOFING SYSTEM – TRAPEZOID TILES SFL 40 Useful Width 980mm Galvalume and Translucent Total Width 994 Allowable Overload Kgf/m2.
ROOFING SYSTEM – TRAPEZOID TILES SFL 40 Useful Width 1020 mm Galvalume and Translucent Total Width 1073 Permissible Overload Kgf/m2.
ROOFING SYSTEM – TRAPEZOID TILES SFL 25 Useful Width 1024 mm Galvalume and Translucent Total Width 1070 Permissible Overload Kgf/m2.
ROOFING SYSTEM – ZIPPAD TILES SFZ 63 X 480 Sheet development: 600 mm. Total Width 490 mm and Useful Width 480 mm. Overload from 50 kgf / m2 to 150 kgf / m2. Distance from Supports 0.50 mm – 0.65 mm – 0.80 mm.
ROOFING SYSTEM – STRAPEZOIDAL THERMAL ACOUSTIC TILES SFL 25 Useful Width 1024 mm Polyurethane or Polystyrene insulation of 30, 40 and 50 mm – Total Width 1070 mm. Thickness of 0.43, 0.50 and 0.65 with 2 or 3 supports. Distance between Supports 2000, 2400, 2800, 3000 and 3400 mm. According to NBR 14514.
ROOFING SYSTEM – STRAPEZOIDAL THERMAL ACOUSTIC TILES SFL 40 Useful Width 980 mm Polyurethane or Polystyrene insulation of 30, 40 and 50 mm – Total Width 1040 mm. Thickness of 0.43, 0.50 and 0.65 with 2 or 3 supports. Distance between Supports 2000, 2250, 2500, 3000 and 3250 mm. According to NBR 14514.
ROOFING SYSTEM – STRAPEZOIDAL THERMAL ACOUSTIC TILES SFL 40 Useful Width 1020 mm Polyurethane or Polystyrene insulation of 30, 40 and 50 mm – Total Width 1073 mm. Thickness of 0.43, 0.50 and 0.65 with 2 or 3 supports. Distance between Supports 2000, 2400, 2800, 3000 and 3400 mm. According to NBR 14514.
GRIPS – Profile Type 0.43 SFL 17 SFL 25 SFL 40 SFL 100 Thickness 0.43 0.50, 0.65 AND 0.80 Considering a 300 mm flange. For outside flaps use: 2 x length of the flap (m) x weight of the tile (kg/m = Weight / Piece (Kg).
SINGLE U STRUCTURAL PROFILES – STANDARD ABNT/NBR 6355 – 6000 mm bars. Thickness of 2.00 mm and 2.25 mm.
STRIDGETED U STRUCTURAL PROFILES – STANDARD ABNT/NBR 6355 – 6000 mm bars. Thickness of 2.00 mm, 2.25 mm, 2.65 mm, 3.00 mm in various dimensions.
FOLDED PROFILES – STANDARD ABNT/NBR 6355 – 3000 mm bars. TUBE PROFILE Thickness from 1.25 to 12.50 mm and SIMPLE PROFILE Thickness from 1.20 mm to 12.50 mm.
FOLDED PROFILES – STANDARD ABNT/NBR 6355 – 6000 mm bars. TUBE PROFILE Thickness from 2.00 to 12.50 mm and SIMPLE PROFILE Thickness from 2.00 mm to 12.50 mm.
EQUAL FLIP ANGLES IN L – 6000 mm bars of dimensions TF X BF in POL. Ranges from 1.34 x 1.4” up to 6 x 1.2” and 44.45 x 6.36 mm up to 152.40 x 12.70 mm.
EQUAL FLIP ANGLES IN L – 6000 mm bars of dimensions TF X BF in POL. Ranges from 1/2 x 1.8” to 1.1/2 x 1.4” and 12.70 X 3.17 mm to 38.10 x 6.35 mm.
FLAT BARS with 6000 mm. Width x Thickness in Inches from ½ x ¼” to 3 x 5/16”. Width x Thickness in mm from 12.70 x 6.35 to 76.20 x 7.94. Nominal weight from 3.78 kg/bar to 28.50 kg/bar.
FLAT BARS with 6000 mm. Width x Thickness in Inches from 3/8 x 1/8” to 2 x 3/16”. Width x Thickness in mm from 9.52 x 3.17 to 50.80 x 4.75. Nominal weight from 1.44 kg/bar to 11.40 kg/bar.
FLAT BARS with 6000 mm. Width x Thickness in Inches from 4 x 5.16” to 1.1/4 x 5/8”. Width x Thickness in mm from 101.60 x 7.94 to 31.75 x 15.87. Nominal weight from 37.98 kg/bar to 23.70 kg/bar.
FLAT BARS with 6000 mm. Width x Thickness in Inches from 1.1/2 x 5/8” up to 4 x 1”. Width x Thickness in mm from 38.10 x 15.87 to 28.50 x 121.56. Nominal weight from 28.50 kg/bar to 121.56 kg/bar.
ROUND BARS TECHNICAL CHARACTERISTICS – 6000 mm bars. Dimensions in Inches ¼” to 2”. Dimensions in mm from 6.35 to 50.80. Nominal weight 1.50 to 95.46 kg.
AMERICAN STANDARD SLOPPED “U” PROFILES. 3” gauge – 1st core and 2nd core up to 12” – 1st core and 2nd core. Note Profiles over 200 mm can be supplied in 12 meter bars.
PROFILES “W” SLOTTED FLAP EUROPEAN STANDARD. Steel ASTM A572 – Gauge mm x kg/m from 150 13.0 to 250 x 44.8 in different thicknesses of Flaps and Flaps Center.
PROFILES “ I ” SLOTTED FLIPS EUROPEAN STANDARD. ASTM A572 Steel – Gauges from 3 to 6” Nominal Weight kg/m and kg/bar (6m) from 8.48 to 50.88 kg/m up to 22.00 to 132.00 Kg/bar (6m).