AWS A5.10 R357
R 357.0
AMS 4246
UNS A03570
USWC 4246(C)

Aerospace Material Specification 4246 is aluminum alloy 357. It’s main composition is Aluminum-Silicon-Magnesium that is often used on casting alloys of similar compositions. This alloy does not contain Be. It is mainly used in compressor cases, missile components, air frame castings and fittings.

Available in multiple diameters and sizes in straight length wire and in spools.

                                                                                              Chemical Composition:

SiFeMnCuZnMgAlTiOther impurityOther element
Note: Single values are maximum unless otherwise noted.

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alloy 357, ams 4246 data sheet