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Aluminium Stock www.cncdirect.co.nz T : +64 9 622 2169 www.highgrademetals.co.nz

About CNC Direct Limited was established by David Thumath in 2007 to supply quality well priced machine tools into the New Zealand market. With well established brands and, the experience and knowledge of David, it got off to a good start in a boyant market. However, we all know what happened in 2008. We soon realised that to survive in the new world we would need to diversify. David had a solid background in toolsteel and aluminium sales so High Grade Metals was born. A visit to old contacts secured a supply of toolsteel, two bandsaws purchased and the sales push began. The next step was to purchase a large aluminium plate saw and a smaller cold saw and a visit to Germany to Bikar Metalle, a large family owned aluminium supplier. In 2011 we moved to larger premises in Onehunga and with the great product range and the service that comes from being a smaller, more agile, business we have not looked back. All our material comes with certificates if required, traceability is very important to us and our systems allow us to track any material sold to its source. 2

Aluminium Formodal 023 PROPERTIES AND APPLICATIONS Alloy designation Typical physical properties EN AW 5083 Density [g/cm 3 ] 2,66 EN AW Al Mg4,5 Mn0,7 Elastic modulus [GPa] 70 Old designation Al Mg4,5 Mn Thermal conductivity [W/m*K] 110-140 Material no. according to DIN 3.3547-50 C - 20 C Great Brittain BS N8 Thermal expansion 20 C - 100 C 23,5 Coefficient [K -1* 10-6 ] Italy UNI 7790 20 C - 200 C Spain L-3321 20 C - 300 C Sweden 144140 Specific heat J/(kg*k) 900 Norway 17215 Electrical conductivity [m/ω*mm 2 ] 16-18 France AFNOR A-G4,5MC Shear modulus [GPa] Colour code RAL 8002 Signal Brown Chemical composition x (EN 573-3) Specifications in % Remainder: Aluminium Si Fe Cu Mn Mg Cr Ni Zn Ti Ga V Note Individual Total 2 0,40 0,40 0,10 0,40-1,0 4,0-4,9 0,05-0,25-0,25 0,15 - - - 0,05 0,15 x Chemical specifications as perc. of weight. If no ranges are specified, the alloy content has the maximum value 2 Includes all items listed for which no limit values are specified Other Special features of this material Very good machinability Excellent corrosion resistance welding properties Low stress and dimensionally stable Application areas Tool, mould and model making Blow and injection mouldings Laminating tools Moulds for elastomer materials Moulds and heat-stressed parts Moulds with welded construction Refridgeration technology Aluminium Formodal 023 SIZES STOCKED 5083 Cast Plate Saw cut 75mm x 2000 x 1000 125mm x 2000 x 1000 85mm x 2000 x 1000 135mm x 2000 x 1000 95mm x 2000 x 1000 150mm x 2000 x 1000 105mm x 2000 x 1000 200mm x 2000 x 1000 115mm x 2000 x 1000 NB: Formodal is available in any thickness, machined to a 0.1mm tolerance. Full indent and cutting service available. 3

Aluminium Formodal 030 PROPERTIES AND APPLICATIONS Alloy designation Typical physical properties EN AW 5083 Density [g/cm 3 ] 2,66 EN AW Al Mg4,5 Mn0,7 Elastic modulus [GPa] 70 Old term Al Mg4,5 Mn Thermal conductivity [W/m*K] 110-140 Material no. according to DIN 3.3547-50 C - 20 C Great Brittain BS N8 Thermal expansion 20 C - 100 C 23,5 Coefficient [K -1* 10-6 ] Italy UNI 7790 20 C - 200 C Spain L-3321 20 C - 300 C Sweden 144140 Specific heat capacity J/(kg*k) 900 Norway 17215 Electrical conductivity [m/ω*mm 2 ] 16-18 France AFNOR A-G4,5MC Shear modulus [GPa] Colour code RAL 8002 Signal Brown Chemical composition x (EN 573-3) Figures in % Remainder: Aluminium Other Si Fe Cu Mn Mg Cr Ni Zn Ti Ga V Comment Each Total 2 0,40 0,40 0,10 0,40-1,0 4,0-4,9 0,05-0,25-0,25 0,15 - - - 0,05 0,15 x Chemical figures are percentages of weight. If no range of values indicated the alloying content represents the maximum value 2 Includes all items listed elements without defined limits/tolerances Forming Cold forming Bending 5 Spinning 5 Deep-drawing 5 Bulging 5 Cold extrusion 5 Hot working Die forging - Hot extrusion - Open die forging - Soldering Hard soldering with flux - Fluxless hard brazing - Friction soldering - Soft soldering with flux - Machinability Homogenized and 1-2 stress-relieved Dimensional stability 1 Electrical discharge 1 machining Surface treatment Welding Anodising (protective 2 anodising) Anodic quality (AQ) AQ - Decorative anodising 5 Painting / coating 4 Polishing 2-3 GAS 4 WIG 2 MIG 2 Resistance fusion 2 welding S-Al 5183 S-Al 5356 S-Al 5087 Resistance to corrosion Normal atmosphere 1 Seawater atmosphere 1 Applications Filler metal Can be used in a wide field of applications including the food industry YES EN485-2 mechanical characteristics Temper 5 03 Nominal thickness mm Tensile strength R m MPa Yield strength R p0.2 MPa Ultimate elongation % min. From To Min. Max. min. Max. A10mm A 180 90 Bending radius 9 Hardness 9 6 1000 230 290 110 130 15 - - - 70-80 HWB 5 03 Homogenized 9 For information purposes only Material specifications Application areas Legend Very good machinability Excellent resistance to corrosion Easily weldable Stress-relieved and dimensionally stable Tool, mould and model making Blow and injection mouldings Laminating tools Moulds for elastomer materials Moulds and heat-stressed parts Moulds with welding design Refridgeration technology 1. Excellent 2. 3. Moderate 4. Poor 5. Unsuitable AQ Anodic quality must be ordered and confirmed separately 4

Aluminium Formodal 030 SIZES STOCKED 5083 Cast Plate Machined two sides 8mm x 3020 x 1520 40mm x 3020 x 1520 10mm x 3020 x 1520 50mm x 3020 x 1520 12mm x 3020 x 1520 60mm x 3020 x 1520 16mm x 3020 x 1520 75mm x 3020 x 1000 20mm x 3020 x 1520 100mm x 3020 x 1000 25mm x 3020 x 1520 32mm x 3020 x 1520 NB: Formodal is available in any thickness, machined to a 0.1mm tolerance. Full indent and cutting service available. 5

Aluminium 6082 PROPERTIES AND APPLICATIONS Aluminium alloy 6082 is a medium strength alloy with excellent corrosion resistance. It has the highest strength of the 6000 series alloys. Alloy 6082 is known as a structural alloy. In plate form, Aluminium alloy 6082 is the alloy most commonly used for machining. As a relatively new alloy, the higher strength of Alluminium alloy 6082 has seen it replace 6061 in many applications. The addition of a large amount of manganese controls the grain structure which in turn results in a stronger alloy. The tighter chemical band ensures more consistent anodising between batches. In the T6 and T651 temper, Aluminium alloy 6082 machines well and produces tight coils of swarf when chip breakers are used. Typical chemical composition Element % Present Si 0.7 1.3 Fe 0.0 0.5 Cu 0.0 0.1 Mn 0.4 1.0 Mg 0.6 1.2 Zn 0.0 0.2 Ti 0.0 0.1 Cr 0.0 0.25 Al Balance Typical mechanical properties Temper O T4 T6 / T651 Proof Stress 0.2% (MPa) 60 170 310 Tensile Strength (MPa) 130 260 340 Shear Strength (MPa) 85 170 210 Elongation A5 (%) 27 19 11 Hardness Vickers (HV) 35 75 100 Typical physical properties Typical fabrication response Property Value Density 2700 km/m3 Melting Point 555 o C Modulus of Elasticity 70 GPa Electrical Resistivity 0.038x10-6 ohm.m Thermal Conductivity 180 W/m.K Thermal Expansion 24x10-6 /K Process Workability - Cold Machinability Weldability Gas Weldability Arc Weldability Resistance Brazability Solderability Rating The most common tempers for aluminium alloy 6082 are: O annealed wrought alloy T4 Solution heat treated and naturally aged T6 Solution heat treated and artificially aged T651 Solution heat treated, stress relieved by stretching and then artificially aged Applications High stress applications Ore skips Trusses Beer barrels Bridges Milk churns Cranes Transport applications Marine applications 6

Aluminium 6082 SIZES STOCKED Rolled Plate 10mm x 3020 x 1520 60mm x 2520 x 1270 15mm x 2520 x 1270 75mm x 2520 x 1270 20mm x 3020 x 1520 80mm x 2520 x 1270 25mm x 3020 x 1520 90mm x 2520 x 1270 30mm x 2520 x 1270 100mm x 2520 x 1270 35mm x 2520 x 1270 110mm x 2520 x 1270 40mm x 2520 x 1270 120mm x 2520 x 1270 50mm x 2520 x 1270 130mm x 2520 x 1270 NB: Full indent and cutting service available. Round Bar 20 mm dia 120 mm dia 25 mm dia 130 mm dia 30 mm dia 140 mm dia 35 mm dia 150 mm dia 40 mm dia 160 mm dia 45 mm dia 180 mm dia 50 mm dia 200 mm dia 55 mm dia 220 mm dia 60 mm dia 230 mm dia 70 mm dia 250 mm dia 75 mm dia 260 mm dia 80 mm dia 280 mm dia 90 mm dia 300 mm dia 100 mm dia 330 mm dia 110 mm dia 350 mm dia 7

Aluminium EN AW-7075 PROPERTIES AND APPLICATIONS Typical physical properties Density [g/cm 3 ] 2,80 Elastic modulus [GPa] 72 Thermal conductivity [W/m*K] 130-160 Thermal expansion Coefficient [K -1* 10-6 ] -50 C - 20 C 21,6 20 C - 100 C 23,4 20 C - 200 C 24,3 20 C - 300 C 25,2 Specific heat J/(kg*k) 862 Electrical conductivity [m/ω*mm 2 ] 19-23 Shear modulus [GPa] 27,1 Special features of this material: - Curable alloy with very high strength - Very high fatigue strength - machinability Applications: - Toolmaking, mould making and model making - Aerospace - Military technology Chemical composition (EN 573-3) Specifications in % Remainder: Aluminium Si Fe Cu Mn Mg Cr Ni Zn Ti Ga V Note Individual Total 0,40 0,50 1,2-2,0 0,30 2,1-2,9 0,18-0,28-5,1-6,1 0,20 - - 3 0,05 0,15 x Chemical specifications as perc. of weight. If no ranges are specified, the alloy content has the maximum value 2 Includes all items listed for which no limit values are specified 3 Sum for Zr+Ti max. 0,25. This applies to forged or extruded products when the value has been agreed upon between the customer and supplier Total Processing / machinability Soft annealed - Work-hardened - Cured 2 Dimensional stability 4-5 Erosion 1 Welding GAS 5 WIG 5 MIG 5 Resistance welding 2 Resistance to corrosion In a normal atmosphere/weather conditions 4 Sea water atmosphere 4 Surface treatment Anodising (protective anodisation) 3 Special anodising quality (EQ) EQ - Anodising decorative 5 Painting / coating 3 Polishing 1 Suitable for food industry according to DIN EN 602 Working temperature No Long-term approx., 90 C Short-term approx., 110 C - 125 C Legend Very good Moderate Poor Unsuited EQ Anodising quality must be ordered separately and confirmed Special features of this material Curable alloy with very high strength Very high fatigue strength machinability Application areas Toolmaking, mould making and model making Aerospace Military technology The specifications in our data sheets are subject to correction and are only valid as references. Liability is excluded in this regard. We reserve the right to make changes to the standards and informative values. The agreements of our order confirmation are always authorative. With regard to anodic oxidisability, we point out that we accept no liability for the anodisation result and the colour formation for decorative applications. The same applies to the corrosion resistance. Special arrangements must be made in writing. 8

Aluminium EN AW-7075 SIZES STOCKED Rolled Plate 15mm x 2520 x 1270 70mm x 2520 x 1270 20mm x 2520 x 1270 80mm x 2520 x 1270 25mm x 2520 x 1270 90mm x 2520 x 1270 30mm x 2520 x 1270 100mm x 2020 x 1020 40mm x 2520 x 1270 110mm x 3020 x 1250 50mm x 3020 x 1520 120mm x 3020 x 1150 60mm x 2520 x 1270 130mm x 2020 x 1020 65mm x 2520 x 1270 150mm x 2520 x 1300 NB: Full indent and cutting service available. 7075 Round Bar 25 mm dia 110 mm dia 35 mm dia 120 mm dia 40 mm dia 130 mm dia 45 mm dia 150 mm dia 55 mm dia 170 mm dia 65 mm dia 180 mm dia 75 mm dia 200 mm dia 80 mm dia 210 mm dia 90 mm dia 250 mm dia 100 mm dia 9

Other available materials Copper, Bronze, Aluminium Bronze, Brass and Beryllium Copper all available on indent. Contact us for sizes and grades available. Please call us for your hard to find material needs as we are able to source a range of other products. 10

German Toolsteel Grades STOCKED Grades H13 P20 A2 D2 420 Stainless Enquire for size range and availability Full NC cutting service available Cutting capacity 800mm x 600mm Indent service available, quick delivery ex Melbourne 11

CNC DIRECT LTD & HIGH GRADE METALS LTD 144 Captain Springs Road, Onehunga. PO Box 12408, Penrose Auckland 1642 New Zealand T : +64 9 622 2169 E : david@cncdirect.co.nz www.cncdirect.co.nz www.highgrademetals.co.nz