ZAlSi7Mg ZL101 - GB /T 1173-2013

Grade	ZAlSi7Mg
China ISC	ZL101
Corresponding Standard	GB /T 1173-2013 Casting aluminum alloy
Classification	Aluminum and Aluminum Alloys
Properties	Corrosion Resistance
Density	2.66 g/cm³

ZAlSi7Mg Chemical Element Composition Content (%)

	Component	Fe	Si	Be	Mn	Cu	Pb	Zn	Sn	Mg	Other Total	More
S-砂型铸造	Minimum Value	-	6.5	-	-	-	-	-	-	0.25	-	Al:余量 Ti+Zr≤0.25
S-砂型铸造	Maximum Value	0.5	7.5	0.1	0.35	0.2	0.05	0.3	0.05	0.45	1.1	Al:余量 Ti+Zr≤0.25

	Component	Fe	Si	Be	Mn	Cu	Pb	Zn	Sn	Mg	Other Total	More
J-金属型铸造	Minimum Value	-	6.5	-	-	-	-	-	-	0.25	-	Al:余量 Ti+Zr≤0.25
J-金属型铸造	Maximum Value	0.9	7.5	0.1	0.35	0.2	0.05	0.3	0.05	0.45	1.5	Al:余量 Ti+Zr≤0.25

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

ZAlSi7Mg Mechanical Properties

casting process	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
S、J、R、K	F - Casting State	≥155	≥2	≥50
S、J、R、K	T2-annealing	≥135	≥2	≥45
JB	T4 - Solution Heat Treatment + Natural Aging	≥185	≥4	≥50
S、R、K	T4 - Solution Heat Treatment + Natural Aging	≥175	≥4	≥50
J、JB	T5 - Solution Heat Treatment + Incomplete Artificial Aging	≥205	≥2	≥60
S、R、K	T5 - Solution Heat Treatment + Incomplete Artificial Aging	≥195	≥2	≥60
SB、RB、KB	T5 - Solution Heat Treatment + Incomplete Artificial Aging	≥195	≥2	≥60
SB、RB、KB	T6 - Solution Treatment + Full Artificial Aging	≥225	≥1	≥70
SB、RB、KB	T7 - Solution Treatment + Stabilization Treatment	≥195	≥2	≥60
SB、RB、KB	T8 - Solution Treatment + Softening Treatment	≥155	≥3	≥55

ZAlSi7Mg Corresponding Standards(Same grade name, different standards)

1	GB /T 1173-2013
	ZAlSi7Mg ZL101
2	HB 962-2001
	ZAlSi7Mg ZL101

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