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Aluminium Bars Dear Customer Aluminium Bars Dear Customer, Since 1968, our company has manufactured semis in aluminium and occupied a position of worldwide leadership in bars and rods. Our production facilities include the foundry located in Pontevico, Brescia (Italy) and the extrusion plant in Rovato, Brescia (Italy). With a workforce of over 400 employees and built on an area covering a total of 400.000 sq.m., Eural possesses the latest state-of-the-art foundry and extrusion equipment. Our passion for our job pushes us to always achieve excellence for our products. We constantly invest in research and development and in the latest technologies so our customers receive the maximum for their applications. The choice of the correct alloy is a crucial passage that might determine the success of a product. For this reason, we have produced this catalogue that gives you for each alloy a detailed technical sheet with all the parameters you need. International standards leave the manufacturers too wide a margin of variability for creating each alloy. In practice this means that, for each alloy, you can face significant differences in mechanical properties, with not always acceptable results on your final products. In Eural we have generated a code that is more stringent than the international regulations and restricts further the oscillations within the same alloy, constantly guaranteeing you homogeneous products in the course of time, to always get the best mechanical properties. We are IATF 16949 certified (Automotive) since 2008 and EN 9100 (Aerospace) since 2016 that guarantees an extremely high quality system. A modern and automatic system for ultrasonic tests certifies the absolute integrity of each and every billet that we produce in our foundry, according to class “A” of SAE AMS-STD-2154 regulation. In Eural each production process is subject to quality controls, which go beyond standard requirements. We firmly believe that the dialogue with you, through our technical and commercial staff, is fundamental to support you in the choice of the aluminium alloy that best suits to your needs. You can always count on our experience and our availability. Dott. Sergio Gnutti President Eural Gnutti S.p.A. Fifty years after its foundation, EURAL Gnutti S.p.A. is the largest producer for cold-finished/drawn bars in the World. EURAL bases its success on this specific product and on developing free-cutting aluminium alloys for machine-shops. EURAL offers services to all its customers that makes the difference on all the competitors: - Assistance on choosing the proper alloy per each machining need - Trade missions in more than 50 Countries - Technicians supporting end-users customers worldwide to find out the best machining parameters and reach the best ever performances by using EURAL’s bars - Technical advice on managing every single step of the process, from planning to production. EURAL - RESEARCH & DEVELOPMENT EURAL Gnutti S.p.A. allocates a significant and ever-growing quote of investments for the development of new solutions for the industry. New alloys 2033 LEAD FREE and 6026 LEAD FREE are the results after years of studies by Research & Development department. The latest releases of international regulations (RoHS, ELV, REACH) are moving to the limitation of lead (Pb) in aluminium alloys as it is considered dangerous to human health and toxic for the environment. These new solutions, compliant to the most restrictive limitations, do not affect machinability of EURAL’s bars guaranteeing productivity and quality without compromises. 2033 by EURAL LEAD FREE FREE CUTTING Aluminium alloy According to: RoHS II, ELV, REACH directives Applications RoHS and REACH 2033 LEAD FREE by EURAL is the result 2033 LEAD FREE by EURAL is an alloy of The latest RoHS directive (2018/740/ of long and accurate work by EURAL multiple potential applications; it gives EU) fixes the limit of lead allowed in Research & Development Department in an excellent machinability thanks to a aluminium alloys for machining purposes order to make available an aluminium very thin chip forming, high mechanical to 0,1% starting from 18/05/2021. alloy with high machinability and having properties, better anodizing and REACH has recently mentioned lead better features than those today in the weldability attitude if compared to in SVHC list as toxic element for market. alloys such as 2011, 2007, 2030. human health and subject to specific authorization whenever its presence is 2033 LEAD FREE by EURAL is a good more than 0,1%. alternative to alloys 2011, 2007, 2030 EURAL Gnutti SpA is ready with alloy after latest RoHS/REACH restrictions (Pb 2033 LEAD FREE by EURAL. ) 0,1%). High Machinability No tin Ultrasonic tested billets 2033 LEAD FREE by EURAL has been Today there are several alloys from 2000 All semi-finished products in 2033 LEAD developed specifically for being machined series aluminium + tin (Sn) which, as well FREE by EURAL are made by Class A on high-speed automatic lathes thanks to known, causes weakness and cracking ultrasonic tested billets (SAE AMS STD its excellent chip forming performance. of machined parts when submitted to 2154). stress, low or high temperatures (< 13°C o > 160°C). Tin, due to its brittle nature, has the dangerous tendency to suddenly break without significant previous deformation (strain). 2033 LEAD FREE by EURAL does not contain tin. Production range Alternative alloy to: RoHS and other metals - Pb ) 0,1% 2033 LEAD FREE by EURAL is available 2033 LEAD FREE by EURAL is the best The latest restrictions on lead (RoHS both as drawn and extruded condition. alternative to several alloys such as 2007, Pb ) 0,1%) concern also those products Drawn round bars Ø 5 - 76,2mm 2030, 2011, 2028A, 2041, 2044, 7020. made from machining of steel and brass. Tempers T3, T351 and T8. Steel from Pb ) 0,35% down to Pb ) 0,1% Extruded round bars Ø 30 - 254mm Brass from Pb ) 4% down to Pb ) 0,1% Tempers T6 For these metals today the only alternative for machinability is aluminium and a Available also in square, flat and good option is 2033 LEAD FREE by EURAL hexagonal bars. A wide range of drawn bars is also available in h9 tolerance. www.eural.com 2033 by EURAL LEAD FREE Colour code EU pink PRODUCTION PROGRAM Unit: mm According to EU directives: Drawn 5 ÷ 76,2 10 ÷ 65 Thick. 12 ÷ 55 10 ÷ 63,5 2000/53/EU (ELV) - 2018/740/EU (RoHS II) Extruded 30 ÷ 254 30 ÷ 165 Thick. 30 ÷ 127 - PRESENTATION This alloy has been developed by EURAL and it is one of the best for high speed automatic lathes. It gives the following advantages: U Easy machining with any tool U Excellent chip forming performance (thin chip) U Longer tool life U High mechanical properties U Better anodizing and weldability attitude compared to alloys 2011, 2007, 2030. This alloy does not contain neither lead nor tin and therefore it is a good solution for the production of parts under the latest restriction on this topic (2018/740/EU RoHS: Pb ) 0,1 starting from 18/05/2021). Main applications: automotive industry, electric and electronic industry, precision machining, defense, forging, screws, bolts, nuts, threaded parts of thin thickness. Samples of finished products made of Eural bars Properties T3/T6 T8 Machinability Protective anodizing Decorative anodizing Hard anodizing Resistance to atmospheric corrosion Resistance to marine corrosion MIG-TIG weldability At resistance weldability Brazing weldability Plastic formability when cold Plastic formability when hot Legend Excellent Good Acceptable Not recommended Chemical composition Physical properties Minimum mechanical properties Si 0,10 ÷ 1,20 Kg Rm Rp0,2 HBW Density 2,77 Fe ) 0,70 dm3 Temper Diam. mm MPa MPa A% Typical Cu 2,20 ÷ 2,70 T3 ) 30 370 240 7 100 Modulus of elasticity MPa 70.000 Mn 0,40 ÷ 1,00 T3 30 < D ) 80 340 220 7 100 Mg 0,20 ÷ 0,60 x10-6 Coefficient of thermal expansion 22,9 Drawn T351 ) 80 370 240 5 100 Cr ) 0,15 °C T8 ) 80 370 270 8 100 Ni ) 0,15 W T3: 151 Thermal conductivity at 20°C T6 ) 80 370 250 8 100 Zn ) 0,50 mk T8: 173 Ti ) 0,10 1 mm2 T3: 0,046 T6 80 < D ) 250 340 220 8 100 Typical electrical resistivity at 20°C Extruded Bi 0,05 ÷ 0,80 m T8: 0,046 Others Each 0,05 Total 0,15 M070201.02 GB REV 08 04/10/18 AI Remainder www.eural.com 2011 by EURAL DADJG8D9: EU red DADJG8D9: 0.7GDLC PRODUCTION PROGRAM Unit: mm According to EU directives: Drawn 5 ÷ 76,2 10 ÷ 65 Thick. 12 ÷ 55 10 ÷ 63,5 0 '1 0-D#.$$ Extruded 30 ÷ 254 30 ÷ 165 Thick. 30 ÷ 127 – PRESENTATION This alloy is the most often selected for high speed automatic lathes. It offers the following advantages: U:6HNB68=>C>C<L>I=6CN:FJ>EB:CI U8JII>C<HIG:HHADL:GI=6CBDHID;DI=:G6AADNH UADC<:GA>;:D;8JII>C<IDDAH U8JII>C<6G:66AL6NH8A:6C9J:IDK:GNI=>C8=>E U=><=B:8=6C>86AEGDE:GI>:H UEDHH>7>A>INID6CD9>O:RC>H=:9E6GIH>CH:K:G6A8DADJGH /=:6AADN =6K>C<68DCI:CID;A:69+7G:<>HI:G:9 Y L>AACDI7:8DC;DGB;DG I=:EGD9J8I>DCD;RC6AE6GIH8DBEA>6CIID-D#.9>G:8I>K:HI6GI>C<;GDB 6C9 HJ7?:8IIDHE:8>R86JI=DG>O6I>DC;DG- #8DC;DGB>IN+7) 0-'HJ<<:HIH 6H6AI:GC6I>K:8DBEA>6CIIDI=:67DK:B:CI>DC:99>G:8I>K:HI=:6AADN ' !- Main applications:H8G:LH 7DAIH CJIH I=G:69:9E6GIH /D<:I6CDEI>B6AHJG;68:RC>H=>C<D;6CD9>O:9E>:8:H L:HJ<<:HIJH:HJ>I67A:AJ7G>86CIH9JG>C<B68=>C>C< Samples of finished products made of Eural bars Properties T3/T6 T8 (68=>C67>A>IN +GDI:8I>K:6CD9>O>C< :8DG6I>K:6CD9>O>C< #6G96CD9>O>C< -:H>HI6C8:ID6IBDHE=:G>88DGGDH>DC -:H>HI6C8:IDB6G>C:8DGGDH>DC ($" /$"L:A967>A>IN IG:H>HI6C8:L:A967>A>IN G6O>C<L:A967>A>IN +A6HI>8;DGB67>A>INL=:C8DA9 +A6HI>8;DGB67>A>INL=:C=DI Legend Excellent Good Acceptable Not recommended Chemical composition Physical properties Minimum mechanical properties .> ) 0,40 Kg Rm Rp0,2 HBW Density !: ) 0,70 dm3 Temper Diam.
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