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Transcript
Inweld Corporation 3962 Portland Street, Coplay, PA 18037 610.261.1900 www.inweldcorporation.com Inweld Nibral, Aluminum Bronze 46 Alloy 632 UNS/CDA C63280 AWS A5.7 Class ERCuNiAl ASME SFA 5.7 ERCuNiAl MIL-E-23765/3A Type MIL-CuNiAl Description and Applications: Inweld Nibral is sometimes referred to its generic name, Nickel-Aluminum-Bronze. This filler metal is used for MIG and TIG welding of cast and wrought nickel-aluminum-bronze parts where there is a requirement for high resistance to corrosion, erosion and cavitation in salt or brackish water. The most popular application of Inweld Nibral is for repair and maintenance of ship propellers. It is also used in offshore technology for such applications involving sea-water descaling planets, ship building and repair, power and chemical plant pumps and tube systems. Preheating is usually not necessary when welding with Inweld Nibral, however if preheating is done, then make sure preheat and interpass temps do not exceed 300º F (149º C). The finished weldment should be allowed to air cool to room temperature. Chemical Composition of Inweld Nibral, Aluminum Bronze-46 ERCuNiAl Cu Zn Fe Si Al Pb Mn Ni Total Others Balance 0.10 3.0-5.0 0.10 8.5-9.5 0.02 0.60-3.50 4.0-5.5 0.50 Single values are maximum unless otherwise specified. Approximate Melting Temperature: 1930º F (1054º C) Average As-Welded Brinell Hardness: 160-200 Tensile Strength: 72,000 psi (480 MPA) Recommended Welding Parameters: GMAW (DCRP – Electrode +) 100% Argon or a 75 – 25% Argon / Helium mixture . . GTAW (DCSP – Electrode -) ACHF using 100% Ar or He 2% Thoriated, 2% Ceriated or 2% Lanthanum Tungsten Electrode . Wire Diameter 0.035“ 0.045“ 1/16“ 3/32“ Voltage* 20-26 22-28 29-32 32-34 Amperage* 100-200 100-250 250-400 350-500 1/16“ 3/32“ 1/8“ 5/32“ 3/16“ 70-120 120-160 170-230 220-280 280-330 70-150 140-230 225-320 175-300 200-320 *Use low range for iron or nickel-based alloy’s, middle range for bronze alloys and high range for copper. Although reasonable care has been taken in the preparation of the information herein, Inweld Corporation extends no warranties, express or implied, makes no representations and assumes no responsibility as to the accuracy or suitability of information for application to purchaser's intended purpose or for consequences of it's use. Judgments as to the suitability of information for purchaser's purposes are purchaser's responsibility.