Al-Si Alloys Raw Materials

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Al-Si Alloys Raw Materials

Al-Si Alloys

General Description

Baienwei Al-Si alloys(Si content from 27%—70%) is a silicon particles reinforced aluminum matrix composites formed by improving Si supersaturation in aluminium matrix. AlSi controlled expansion alloys have the features such as low CTE, low density, high thermal conductivity, high electrical conductivity(excellent EMI/RF shielding performance), high hardness,good thermo-mechanical stability,hermeticity, machinability, platability and compatible with microelectronic assembly technology etc.

Baienwei offers exclusive and customized services according to customers’ industry attributes.

Grades	Content wt%	CTE 25℃ ppm/℃	Thermal Conductivity 25℃W/mK	Density g/cm³	Tensile Strength MPa	Yield Strength MPa	Poisson’s Ratio	Elongation %	Elastic Modulus GPa


AlSi27	Al-27%Si	17	175	2.64	170	130	0.29	3.8	91
AlSi35 F	Al-35%Si	15.1	152	2.54	165	95	--	2.5	85
AlSi42	Al-42%Si	13.5	160	2.55	200	187	0.29	1	105
AlSi50	Al-50%Si	11.5	140	2.5	220	210	0.28	<1	108
AlSi60	Si-40%Al	9	125	2.46	181	181	0.27	<1	121
AlSi70	Si-30%Al	7.5	120	2.43	138	138	0.25	<1	131
AlSi80	Si-20%Al	6	110	2.40	125	125	--	--	132

Grades	Density g/cm³	CTE 25℃ ppm/℃	Thermal Conductivity 25℃ W/mK	Tensile Strength MPa	Yield Strength MPa	Poisson’s Ratio	Elongation %	Elastic Modulus GPa


BEW 4047	2.66	21.6	193	208	129	0.33	18	70
BEW 6061	2.7	22.6	210	312	270	0.33	12.5	69

Al-Si Alloys Raw Materials

Al-Si Alloys

General Description

Al-Si Alloy Properties

BEW 6061 and BEW 4047 Performance Parameters (produced by Rapid Solidification)

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