| Nominal size (mm) | TENSILE STRENGTH (N/mm²) | ||||
| SL | SM | DM | SH | DH | |
| 0,80 | from 2050 to 2300 | from 2050 to 2300 | from 2310 to 2560 | from 2310 to 2560 | |
| 0,85 | from 2030 to 2280 | from 2030 to 2280 | from 2290 to 2530 | from 2290 to 2530 | |
| 0,90 | from 2010 to 2260 | from 2010 to 2260 | from 2290 to 2530 | from 2290 to 2530 | |
| 0,95 | from 2200 to 2240 | from 2200 to 2240 | from 2250 to 2490 | from 2250 to 2490 | |
| 1,00 | from 1720 to 1970 | from 1980 to 2220 | from 1980 to 2220 | from 2230 to 2470 | from 2230 to 2470 |
| 1,05 | from 1710 to 1950 | from 1960 to 2200 | from 1960 to 2200 | from 2210 to 2450 | from 2210 to 2450 |
| 1,10 | from 1690 to 1940 | from 1950 to 2190 | from 1950 to 2190 | from 2200 to 2430 | from 2200 to 2430 |
| 1,20 | from 1670 to 1910 | from 1920 to 2160 | from 1920 to 2160 | from 2170 to 2400 | from 2170 to 2400 |
| 1,25 | from 1960 to 1900 | from 1910 to 2140 | from 1910 to 2140 | from 2150 to 2380 | from 2150 to 2380 |
| 1,30 | from 1640 to 1890 | from 1900 to 2130 | from 1900 to 2130 | from 2140 to 2370 | from 2140 to 2370 |
| 1,40 | from 1620 to 1860 | from 1870 to 2100 | from 1870 to 2100 | from 2110 to 2340 | from 2110 to 2340 |
| 1,50 | from 1600 to 1840 | from 1850 to 2080 | from 1850 to 2080 | from 2090 to 2310 | from 2090 to 2310 |
| 1,60 | from 1590 to 1830 | from 1830 to 2050 | from 1830 to 2050 | from 2060 to 2290 | from 2060 to 2290 |
| 1,70 | from 1570 to 1800 | from 1810 to 2030 | from 1810 to 2030 | from 2040 to 2260 | from 2040 to 2260 |
| 1,80 | from 1550 to 1780 | from 1790 to 2010 | from 1790 to 2010 | from 2020 to 2240 | from 2020 to 2240 |
| 1,90 | from 1540 to 1760 | from 1770 to 1990 | from 1770 to 1990 | from 2000 to 2220 | from 2000 to 2220 |
| 2,00 | from 1520 to 1750 | from 1760 to 1970 | from 1760 to 1970 | from 1980 to 2200 | from 1980 to 2200 |
| 2,10 | from 1510 to 1730 | from 1740 to 1960 | from 1740 to 1960 | from 1970 to 2180 | from 1970 to 2180 |
| 2,25 | from 1490 to 1710 | from 1720 to 1930 | from 1720 to 1930 | from 1940 to 2150 | from 1940 to 2150 |
| 2,40 | from 1470 to 1690 | from 1700 to 1910 | from 1700 to 1910 | from 1920 to 2130 | from 1920 to 2130 |
| 2,50 | from 1460 to 1680 | from 1690 to 1890 | from 1690 to 1890 | from 1900 to 2110 | from 1900 to 2110 |
| 2,60 | from 1450 to 1660 | from 1670 to 1880 | from 1670 to 1880 | from 1890 to 2100 | from 1890 to 2100 |
| 2,80 | from 1420 to 1640 | from 1670 to 1850 | from 1670 to 1850 | from 1860 to 2070 | from 1860 to 2070 |
| 3,00 | from 1410 to 1620 | from 1630 to 1830 | from 1630 to 1830 | from 1840 to 2040 | from 1840 to 2040 |
| 3,20 | from 1390 to 1600 | from 1610 to 1810 | from 1610 to 1810 | from 1820 to 2020 | from 1820 to 2020 |
| 3,40 | from 1370 to 1580 | from 1590 to 1780 | from 1590 to 1780 | from 1790 to 1990 | from 1790 to 1990 |
| 3,60 | from 1350 to 1560 | from 1570 to 1760 | from 1570 to 1760 | from 1770 to 1970 | from 1770 to 1970 |
| 3,80 | from 1340 to 1740 | from 1550 to 1740 | from 1550 to 1740 | from 1750 to 1950 | from 1750 to 1950 |
| 4,00 | from 1320 to 1520 | from 1530 to 1730 | from 1530 to 1730 | from 1740 to 1930 | from 1740 to 1930 |
| 4,25 | from 1310 to 1500 | from 1510 to 1700 | from 1510 to 1700 | from 1710 to 1900 | from 1710 to 1900 |
| 4,50 | from 1290 to 1490 | from 1500 to 1680 | from 1500 to 1680 | from 1690 to 1880 | from 1690 to 1880 |
| 4,75 | from 1270 to 1470 | from 1480 to 1660 | from 1480 to 1660 | from 1680 to 1860 | from 1680 to 1860 |
| 5,00 | from 1260 to 1450 | from 1460 to 1650 | from 1460 to 1650 | from 1660 to 1840 | from 1660 to 1840 |
| 5,30 | from 1240 to 1430 | from 1440 to 1630 | from 1440 to 1630 | from 1640 to 1820 | from 1640 to 1820 |
| 5,60 | from 1230 to 1420 | from 1430 to 1610 | from 1430 to 1610 | from 1620 to 1800 | from 1620 to 1800 |
| 6,00 | from 1210 to 1390 | from 1400 to 1580 | from 1400 to 1580 | from 1590 to 1770 | from 1590 to 1770 |
| 6,30 | from 1190 to 1380 | from 1390 to 1560 | from 1390 to 1560 | from 1570 to 1750 | from 1570 to 1750 |
| 6,50 | from 1180 to 1370 | from 1380 to 1550 | from 1380 to 1550 | from 1560 to 1740 | from 1560 to 1740 |
| 7,00 | from 1160 to 1340 | from 1350 to 1530 | from 1350 to 1530 | from 1540 to 1710 | from 1540 to 1710 |
| 7,50 | from 1140 to 1320 | from 1330 to 1500 | from 1330 to 1500 | from 1510 to 1680 | from 1510 to 1680 |
| 8,00 | from 1120 to 1300 | from 1310 to 1480 | from 1310 to 1480 | from 1490 to 1660 | from 1490 to 1660 |
| 8,50 | from 1110 to 1280 | from 1290 to 1460 | from 1290 to 1460 | from 1470 to 1630 | from 1470 to 1630 |
| 9,00 | from 1090 to 1260 | from 1270 to 1440 | from 1270 to 1440 | from 1450 to 1610 | from 1450 to 1610 |
| 9,50 | from 1070 to 1250 | from 1260 to 1420 | from 1260 to 1420 | from 1430 to 1590 | from 1430 to 1590 |
| 10,00 | from 1060 to 1230 | from 1240 to 1400 | from 1240 to 1400 | from 1410 to 1570 | from 1410 to 1570 |
| 10,50 | from 1220 to 1480 | from 1220 to 1480 | from 1390 to 1550 | from 1390 to 1550 | |
| 11,00 | from 1210 to 1370 | from 1210 to 1370 | from 1380 to 1530 | from 1380 to 1530 | |
| 12,00 | from 1180 to 1340 | from 1180 to 1340 | from 1350 to 1500 | from 1350 to 1500 | |
| 13,00 | from 1160 to 1310 | from 1160 to 1310 | from 1320 to 1470 | ||
| 14,00 | from 1290 to 1440 | ||||
| 15,00 | from 1270 to 1410 | ||||
| 16,00 | from 1240 to 1390 | ||||
| EFFORTS | LIGHTWEIGHT | MEDIUM | HIGH | VERY HIGH | |
| DYNAMIC | CLASS DM (EN 10270 1/01) | CLASS D (DIN 17223 1/84) | CLASS DH (EN 10270 1/01) | ||
| STATIC | CLASS SL (EN 10270 1/01) CLASSE A (DIN 17223 1/84) CLASS B (DIN 17223 1/84) CLASS C (DIN 17223 1/84) | CLASS SM (EN 10270 1/01) | CLASS SH (EN 10270 1/01) |
Elongation (eng: elongation, deu: verlängerung)
With reference to tensile strength tests, elongation is the plastic (permanent) deformation of the wire sample, which occurs before its breakage.
Aspo (eng: carrier, deu: aufwickelhaspel)
A reel is a type of wire packaging, consisting of a vertical metal structure on which the wire is wound for transport and storage.
Breaking load (eng: yield strength, deu: reißkraft)
Tested together with tensile strength (see below), the tensile strength is measured as the tension level at which the material stops behaving elastically, and where it begins to deform plastically.
EU classes - SL, SM, SH, DM, DH (eng: EU classes, deu: Klassen EU)
These are European standards for the classification of drawn steel. S refers to wire suitable for use in static applications, while D indicates wire for dynamic applications. L (low), M (medium) and H (high) specify carbon content.
Pickling (eng: pickling, deu: dekapierung)
Treatment in which the wire rod is immersed in a solution of sulfuric acid to prepare the surface and remove impurities, before drawing.
Supply chain (eng: drawing die, deu: drahtzieheisen)
Block with cone-shaped holes, through which the steel wire is pulled to reduce its diameter.
Inert thread (eng: cast and helix, deu: inerter draht)
Inert thread refers to a test in which a turn of thread is cut from the skein and placed on a plane. Both the diameter of the ring formed and the vertical distance of the end of the wire from the surface are measured.
Phosphating (eng: phosphating, deu: phosphatierung)
Phosphating is a surface treatment in which the wire is immersed in a dilute solution of phosphoric acid to form an insoluble crystalline coating. This gives effective lubrication and greater protection against corrosion.
Passivation (eng: passivation, deu: passivierung)
Passivation is a technique for reacting steel wire with a metal oxide such as lime, to form a lightweight protective coating against corrosion.
Patenting (eng: patenting, deu: Patentierung)
Patenting is a treatment that increases the strength and ductility of the thread. The product is brought to a temperature of approximately 970°C and then quickly cooled, turning it off in lead.
PLC
Programmable Logic Controller, used to automatically monitor industrial plants via a digital computer.
Tensile strength (eng: tensile strength, deu: Zugwiderstand)
The tensile strength of wire is its ability to withstand a tensile force. The breaking load is the maximum amount of traction the wire can be subjected to before breaking.
Annealing (eng: annealing, deu: Glühprozess)
Annealing is the application of heat and subsequent cooling of the wire to restore its ductility and reduce its hardness, thus making it more workable.
Spools and Coils (eng: reels and spools, deu: spulen und rollen)
Metal or cardboard packaging of different diameters and sizes on which the drawn wire is wound.
Stelmor
Stelmor controlled cooling is the standard method used for cooling wire rod produced by rolling. The product is laid in coils on a conveyor belt and cooled with air.
Striction (eng: necking, deu: einschnürung)
Tightening occurs during tensile tests and consists of a deformation, located in a small section of the wire, with the consequent reduction in cross section.
Wire rod (eng: wire rod, deu: walzdraht)
Wire rod is the raw material for drawing. It is produced by hot rolling, a process by which the cross section of steel is reduced in preparation for cold working.
VOC
Verification of Conformity, a service provided by the Bureau Veritas Group which consists in verifying the conformity of products with national or international standards.
Galvanizing (eng: galvanization, deu: verzinkung)
Galvanizing is a surface treatment in which the wire is immersed in molten zinc to form a protective barrier against corrosion.
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