Description
Alluminium 5% Silicon (4043 A / NG21)
Suitable for TIG WELDING with Argon Gas
Features and Applications:
• Aluminium alloy with 5% silicon gives excellent flow and
penetration. Suitable for joining duralumin, cast and wrought
alloys. NB: Weld will discolour if anodised
• Ship building, automotive and food industries, repair and
maintenance
Product Information
2.5kg Tube
Diameter Part No.
1.6mm 7050
2.4mm 7051
3.2mm 7052
5.0mm 7053
TUV
Manufacturer’s Approvals
TIG 1050 T
Standards
Mechanical Properties
Si
5.00
Al
95.0
AWS : A5.10 ER 4043
EN ISO 18273 S Al 4043A (Al Si 5)
BS 2901 4043A (NG 21)
Melting Point ºC 630
UTS N/mm2 120
Hardness BHN 45

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