Alloy 2 Z35545 Z35541 Zamak 2 - ASTM B86-2018

Grade	Alloy 2
USA UNS	Z35545
ASTM Specification or Grade	AC43A
Other Names
Old Grade
Corresponding Standard	ASTM B86-2018 Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
Classification	Zinc and Zinc Alloys
Density	6.6 g/cm³

Alloy 2 Chemical Element Composition Content (%)

Component	Fe	Cu	Pb	Al	Sn	Mg	Cd	More
Minimum Value	-	2.6	-	3.7	-	0.02	-	Zn:Remainder
Maximum Value	0.05	3.3	0.005	4.3	0.002	0.05	0.004	Zn:Remainder

• When this material is required to conform to ISO 301, the chemical limits for thallium and indium each shall not exceed 0.001 %

Alloy 2 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Fatigue Limit Bending σ-1 Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
/	359	Compressive yield strength Rp0.1：641	Rotary bend 5 × 10⁸ cycles 58.6	7	* 100	47

Alloy2 Corresponding Standards(Same grade name, different standards)

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