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Welded wire mesh

Welded mesh

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Welded mesh

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Welded mesh

Welded mesh made from high-ductility hot-rolled welding steel:

  • class B450C (Italy)
  • class B500A (France)
  • class B550A (Austria)
  • class B500B (France, Germany and Switzerland)

Suitable for use in seismic areas. Produced in standard formats.

Chemical composition

The weldability of our welded mesh is guaranteed by the chemical analysis of the heats and the equivalent carbon content.

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

Italy
France
Austria
Germany
Switzerland

Product characteristics

  • Available in all formats and types.
  • Recycled content certification.
  • ICMQ ECO Gold sustainability label

Labelling

  • Company logo.
  • Batch number.
  • Diameter.
  • Steel grade.
  • Date of production.
  • Reference standards.

Welded mesh according to Italian Ministerial Decree of 17/01/2018 - B 450 C - B 450 A

Format: 2250 x 4000 mm
Type Wire Ø mm Mesh mm Cross section mm2/m Sheet mm No. of sheets per pack Pack height Wire projection mm Panel weight No. of sheets Total load kg
Long. Transv. Long. Transv. Long. Transv. Width Length Long. Transv. Total kg kg/m2 Pack Hold Load
510/2 5 5 100 100 196 196 2250 4000 50 270 50 25 28,03 3,11 50 500 1000 28020
515/2 5 5 150 150 131 131 2250 4000 100 530 50 75 18,60 2,07 100 500 1500 27900
515/2 5 5 200 200 98 98 2250 4000 100 530 100 25 14,32 1,59 100 500 1500 21480
610/2 AD 6 6 100 100 283 283 2250 4000 50 320 50 25 40,40 4,49 50 400 700 28280
615/2 AD 6 6 150 150 189 189 2250 4000 50 320 50 75 26,80 2,98 50 400 1100 29480
620/2 AD 6 6 200 200 142 142 2250 4000 50 320 100 25 20,64 2,29 50 400 1200 24768
810/2 AD 8 8 100 100 502 502 2250 4000 25 220 50 25 71,80 7,98 25 300 400 28720
815/2 AD 8 8 150 150 335 335 2250 4000 30 280 50 75 47,69 5,30 30 300 600 28614
820/2 AD 8 8 200 200 252 252 2250 4000 50 440 100 25 36,70 4,08 50 300 800 29360
1020/2 AD 10 10 200 200 393 393 2250 4000 25 270 100 25 57,38 6,37 25 225 500 28692
1220/2 AD 12 12 200 200 565 565 2250 4000 25 320 100 25 82,58 9,18 25 200 350 28903
Format: 2000 x 3000 mm
Type Wire Ø mm Mesh mm Cross section mm2/m Sheet mm No. of sheets per pack Pack height Wire projection mm Panel weight No. of sheets Total load kg
Long. Transv. Long. Transv. Long. Transv. Width Length Long. Transv. Total kg kg/m2 Pack Hold Load
510/1 5 5 100 100 196 196 2000 3000 100 530 50 50 18,48 3,08 100 500 1600 29568
515/1 5 5 150 150 131 131 2000 3000 100 530 75 25 12,62 2,10 100 500 2000 25240
520/1 5 5 200 200 98 98 2000 3000 100 530 100 100 9,24 1,54 100 500 2000 18480
610/1 AD 6 6 100 100 283 283 2000 3000 50 320 50 50 26,60 4,43 50 400 1100 29260
615/1 AD 6 6 150 150 189 189 2000 3000 50 320 75 25 18,20 3,03 50 400 1600 29120
620/1 AD 6 6 200 200 142 142 2000 3000 50 320 100 100 13,22 2,22 50 400 1600 21312
810/1 AD 8 8 100 100 502 502 2000 3000 25 220 50 50 47,38 7,90 25 300 600 28428
815/1 AD 8 8 150 150 335 335 2000 3000 50 440 75 25 32,35 5,37 50 300 900 29025
820/1 AD 8 8 200 200 252 252 2000 3000 50 440 100 100 23,67 3,95 50 300 1200 28404
1020/1 AD 10 10 200 200 393 393 2000 3000 25 270 100 100 36,98 6,17 25 225 800 29616
1220/1 AD 12 12 200 200 565 565 2000 3000 25 320 100 100 53,28 8,88 25 200 550 29304

Rolling marking

Italy

Qualifications and compliance with standards

Qualification / Country Standard Grade Qualification
ITALY ITALY D.M. 17/01/2018 B 450 A
ITALY ITALY D.M. 17/01/2018 B 450 C

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:

  • Optimised tensile strength/yield stress ratio at the minimum and maximum values set out by design standards;
  • High elongation at maximum AGT load.
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
D.M. 17/01/2018 B 450 A ≥ 450 ≥ 540 ≥ 1,05 ≤ 1,25 ≥ 2,5

* Characteristic values

Product characteristics

  • Available in all formats and types.
  • Recycled content certification.
  • ICMQ ECO Gold sustainability label.
  • Lifting slings available on request.

Labelling

  • Company logo.
  • Batch number.
  • Diameter.
  • Steel grade.
  • Date of production.
  • Reference standards.

Welded mesh according to NFA 35080-2-NFA 35-024*

Type Cross section Mesh diameter Wire projection mm/mm No. of wires Dimensions m Nominal mass Surface area 1 sheet Weight of 1 mesh sheet Sheets per pack Pack weight kg
cm²/m cm²/m mm mm kg/m2 m² kg
PAF C* Long.Transv. 0,80 0,800,80 200200 4,54,5 100/100100/100 1218 3,602,40 1,250 8,64 10,80 100 1080
PAF 10 Long.Transv. 1,19 1,191,19 200200 5,55,5 100/100100/100 1221 4,202,40 1,870 9,60 18,85 70 1319
ST 20 Long.Transv. 1,89 1,891,28 150300 67 150/15075/75 1620 6,002,40 2,487 14,40 35,81 40 1432
ST 25 Long.Transv. 2,57 2,571,28 150300 77 150/15075/75 1620 6,002,40 3,020 14,40 43,49 40 1740
ST 35 Long.Transv. 3,85 3,851,28 100300 77 150/15050/50 2420 6,002,40 4,026 14,40 57,98 30 1739
ST 50 Long.Transv. 5,03 5,031,68 100300 88 150/15050/50 2420 6,002,40 5,267 14,40 75,84 20 1517
ST 60 Long.Transv. 6,36 6,362,54 100250 99 125/12550/50 2424 6,002,40 6,986 14,40 100,60 16 1610
ST 15 C Long.Transv. 1,42 1,421,42 200200 66 100/100100/100 1220 4,002,40 2,220 9,60 21,31 70 1492
ST 25 C Long.Transv. 2,57 2,572,57 150150 77 75/7575/75 1640 6,002,40 4,026 14,40 57,98 30 1739
ST 25 CS Long.Transv. 2,57 2,572,57 150150 77 75/7575/75 1620 3,002,40 4,026 7,20 28,99 40 1160
ST 40 C Long.Transv. 3,85 3,853,85 100100 77 50/5050/50 2460 6,002,40 6,04 14,40 86,98 20 1740
ST 50 C Long.Transv. 5,03 5,035,03 100100 88 50/5050/50 2460 6,002,40 7,900 14,40 113,76 15 1706
ST 65 C Long.Transv. 6,36 6,366,36 100100 99 50/5050/50 2460 6,002,40 9,980 14,40 143,71 10 1437

Rolling marking

France

Qualifications and compliance with standards

Qualification / Country Standard Grade Qualification
FRANCE FRANCE NFA 35-024* B 600 A
FRANCE FRANCE NF A 35-080-2 B 500 B
FRANCE FRANCE NF A 35-080-2 B 500 A

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:

  • Optimised tensile strength/yield stress ratio at the minimum and maximum values set out by design standards;
  • High elongation at maximum AGT load;
  • A guaranteed yield stress value with limited maximum value.
Standard Grade Re - Yield Strength N/mm 2 Rm - Tensile Strength N/mm 2 Rm/Re Specific Re/Re Agt % A5 %
NF A 35-080-2 B 500 B ≥ 500 ≥ 1.08 ≤ 1.30 ≥ 5.0
NF A 35-080-2 B 500 A ≥ 500 ≥ 1.05 ≤ 1.30 ≥ 2.5
NFA 35-024* B 600 A ≥ 600 ≥ 2,5

* Characteristic values

Product characteristics

  • Available in all formats and types.
  • Recycled content certification.
  • ICMQ ECO Gold sustainability label.

Labelling

  • Company logo.
  • Batch number.
  • Diameter.
  • Steel grade.
  • Date of production.
  • Reference standards.

Welded mesh according to ÖNORM B 4707

Type Wire Ø mm Mesh mm Sheet mm Wire projection mm Sheets per pack Panel weight No. of wires per mesh sheet Weight of mesh sheet wires kg
Long. Transv. Long. Transv. Width Length Long. Transv. Long. Transv. Long. Transv.
AQ 46 4,6 4,6 100 100 2400 6000 50 50 50 37,57 24 60 18,79 18,79
AQ 50 5 5 100 100 2400 6000 50 50 50 44,35 24 60 22,19 22,19
AQ 55 5,5 5,5 100 100 2400 6000 50 50 50 53,86 24 60 26,86 26,86
AQ 60 6 6 100 100 2400 6000 50 50 25 63,94 24 60 31,96 31,96
AQ 65 6,5 6,5 100 100 2400 6000 50 50 25 74,88 24 60 37,44 37,44
AQ 70 7 7 100 100 2400 6000 50 50 25 86,98 24 60 43,49 43,49
AQ 76 7,6 7,6 100 100 2400 6000 50 50 25 102,53 24 60 51,26 51,26
AQ 82 8,2 8,2 100 100 2400 6000 50 50 20 119,52 24 60 59,76 59,76
AQ 90 9 9 100 100 2400 6000 50 50 15 143,71 24 60 71,85 71,85
AQ 100 10 10 100 100 2400 6000 50 50 10 177,70 24 60 88,85 88,85
A 70 7 5,5 100 300 2400 6000 150 50 25 52,46 24 20 43,49 8,95
A 82 8,2 6,5 100 300 2400 6000 150 50 25 72,24 24 20 59,69 12,50

Rolling marking

Austria

Qualifications and compliance with standards

Qualification / Country Standard Grade Qualification
AUSTRIA AUSTRIA ÖNORM B 4707 B 550 A

Mechanical features

The standardisation of the production process made it possible to obtain the homogenisation and repeatability of the mechanical characteristics.

  • Optimised tensile strength/yield stress ratio at the minimum values set out by Austrian standards;
  • Minimum Agt% elongation guaranteed;
  • A guaranteed yield stress value with limited maximum value.
Standard Grade Re - Yield Strength N/mm 2 Rm - Tensile Strength N/mm 2 Rm/Re Specific Re/Re Agt % A5 %
ÖNORM 4707 B 550 A ≥ 550 ≥ 620 ≥ 1.05 ≥ 2.5

* Characteristic values

Product characteristics

  • Available in all formats and types.
  • Recycled content certification.
  • ICMQ ECO Gold sustainability label.

Labelling

  • Company logo.
  • Batch number.
  • Diameter.
  • Steel grade.
  • Date of production.
  • Reference standards.

Welded mesh according to DIN 488 – B 500 B

Type Wire Ø mm Mesh mm Sheet mm Wire projection mm Sheets per pack Panel weight No. of wires per mesh sheet Weight of mesh sheet wires kg
Long. Transv. Long. Transv. Width Length Long. Transv. Long. Transv. Long. Transv.
Q 188 A/B 6 6 150 150 6000 2300 75 25 50 41,736 16 40 21,312 20,424
Q 257 A/B 7 7 150 150 6000 2300 75 25 40 56,776 16 40 28,992 27,784
Q 335 A/B 8 8 150 150 6000 2300 75 25 30 74,260 16 40 37,920 36,340
Q 424 A/B 7 - 9 9 150 150 6000 2300 75 25 30 84,356 8 Ø 7 - 8 Ø 9 40 38,448 45,908
Q 524 A/B 7 - 10 10 150 150 6000 2300 75 25 20 100,876 8 Ø 7 - 8 Ø 10 40 44,112 56,764
Q 636 A/B 7 - 9 10 125 100 6000 2350 62,5 25 20 131,998 8 Ø 7 - 16 Ø 9 48 62,400 69,598
R 188 A/B 6 6 250 150 6000 2300 125 25 50 33,566 16 24 21,312 12,254
R 257 A/B 7 6 250 150 6000 2300 125 25 50 41,246 16 24 28,992 12,254
R 335 A/B 8 6 250 150 6000 2300 125 25 40 50,174 16 24 37,920 12,254
R 424 A/B 8 - 9 8 250 150 6000 2300 125 25 30 67,212 4 Ø 8 - 12 Ø 9 24 45,408 21,804
R 524 A/B 8 - 10 8 250 150 6000 2300 125 25 30 75,708 4 Ø 8 - 12 Ø 10 24 53,904 21,804

Rolling marking

Germany

Qualifications and compliance with standards

Qualification / Country Standard Grade Qualification
GERMANY GERMANY DIN 488 B 500 B

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:

  • Optimised tensile strength/yield stress ratio at the minimum and maximum values set out by design standards;
  • High elongation at maximum AGT load;
  • A guaranteed yield stress value with limited maximum value.
Standard Grade Re - Yield Strength N/mm 2 Rm - Tensile Strength N/mm 2 Rm/Re Specific Re/Re Agt % A5 %
DIN 488 B 500 B ≥ 500 ≥ 1,08 ≤ 1,30 ≥ 5

* Characteristic values

Product characteristics

  • Available in all formats and types.
  • Recycled content certification.
  • ICMQ ECO Gold sustainability label.

Labelling

  • Company logo.
  • Batch number.
  • Diameter.
  • Steel grade.
  • Date of production.
  • Reference standards.

Welded mesh according to SIA 262 – B 500 B

Type Wire Ø mm Mesh mm Sheet mm Wire projection mm Sheets per pack Panel weight No. of wires per mesh sheet Weight of mesh sheet wires kg
Long. Transv. Long. Transv. Width Length Long. Transv. Long. Transv. Long. Transv.
K 283 6 6 100 100 2000 5000 50 50 50 44,4 20 50 22,22 22,22
K 188 6 6 150 150 2000 5000 100 25 50 30,2 14 33 15,54 14,65
K 335 8 8 150 150 2000 5000 100 25 50 53,7 14 33 27,62 26,04

Rolling marking

Switzerland

Qualifications and compliance with standards

Qualification / Country Standard Grade Qualification
SWITZERLAND SWITZERLAND SIA 262 B 500 B

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:

  • Optimised tensile strength/yield stress ratio at the minimum and maximum values set out by design standards;
  • High elongation at maximum AGT load;
  • A guaranteed yield stress value with limited maximum value.
Standard Grade Re - Yield Strength N/mm 2 Rm - Tensile Strength N/mm 2 Rm/Re Specific Re/Re Agt % A5 %
SIA 262 B 500 B ≥ 500 ≥ 1.08 ≤ 1,30 ≥ 5

* Characteristic values

Sales Organisation - Alfa Acciai

Abroad
Country Sales agent Address Telephone Mail
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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Alfa Acciai SpA

Via San Polo, 152 - 25134 Brescia (BS) , Italy - Ph. +39 030.23911 - fax +39 030.2391384

Share capital € 50.000.000 fully paid up- REA Economic and Administration Index 224470 - VAT No. 00988040176

Acciaierie Di Sicilia SpA

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Share capital € 24.960.000 fully paid up- REA Economic and Administration Index 239012 - VAT No. 03490290875

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