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Rare earth nonferrous master alloy products

Master alloys formed by pyrometallurgy of rare earth metals and nonferrous metals, including rare earth magnesium master alloys, rare earth aluminum master alloys, and rare earth copper master alloys, are mainly used for smelting and casting related materials.

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Rare earth nonferrous alloy series

Keywords: Rare earth metal structural materials

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DESCRIPTION

Rare earth nonferrous master alloys : master alloys formed by pyrometallurgy of rare earth metals and nonferrous metals, including rare earth magnesium master alloys, rare earth aluminum master alloys, rare earth copper master alloys, etc., mainly used for melting and casting of related materials. Rare earth forms refractory compounds with hydrogen, nitrogen, oxygen, sulfur, arsenic, etc., and most of them are discharged in the form of slag during the smelting process, so that the matrix melt can be purified; at the same time, it can reduce the segregation of high iron and silicon phases at the grain boundary, Promote the uniform refinement of the organization, thereby increasing the strength of the material, increasing the plasticity, and improving the performance.

1. The grade and chemical composition ofmagnesium master alloyTable 1:

Table 1

name	Grade No.	Chemical composition / %			scope of application
name	Grade No.	RE	other	Mg	scope of application
Yttrium Magnesium Alloy	MY20	2 0 ± 2	＜ 0.5	margin	For magnesium casting ( Gadolinium yttrium magnesium rare earth distribution: Gd50%, Y50%; Lanthanum cerium yttrium magnesium rare earth distribution: La17%, Ce33%, Y50% )
	MY25	25±3	＜ 0.5	margin
	MY30	30 ± 2	＜ 0.5	margin
Gadolinium magnesium alloy	MG20	2 0±2	＜ 0.5	margin
	MG30	30±2	＜ 0.5	margin
	MG50	50±5	＜ 0.5	margin
	GM15	85 ± 2	＜ 0.5	margin
Gadolinium Yttrium Magnesium Alloy	GYM15	85 ± 2	＜ 0.5	margin
Neodymium magnesium alloy	MNd30	30 ± 2	＜ 0.5	margin
Lanthanum magnesium alloy	MLa30	30 ± 2	＜ 0.5	margin
Lanthanum-cerium-yttrium-magnesium alloy	MLCY30	30±2	＜ 0.5	margin
Lanthanum-cerium-yttrium-magnesium alloy	LCYM20	80±2	＜ 0.5	margin

2. The grade and chemical composition ofaluminum master alloy2:

table 2

name	Grade No.	Chemical composition / %			scope of application
name	Grade No.	RE	other	Al	scope of application
Yttrium Aluminum Alloy	AY20 _ _	2 0 ± 2	＜ 0.5	margin	For aluminum casting
	A Y 30	30 ± 2	＜ 0.5	margin
	A Y 60	60 ± 2	＜ 0.5	margin
	A Y 80	80 ± 2	＜ 0.5	margin
Rare earth aluminum alloy	AR20	2 0 ± 2	＜ 0.5	margin
Rare earth aluminum alloy	AR30	30 ± 2	＜ 0.5	margin

3. The grade and chemical composition ofcopper master alloyTable 3:

Table 3

name	Grade No.	Chemical composition / %			scope of application
		RE	other	With
Rare earth copper alloy	CR12	12 ± 2	＜ 0.5	margin	For copper casting

4. The grade and chemical composition of the copper-magnesium master alloy are shown in Table 4 :

Table 4

name	Grade No.	Chemical composition / %				scope of application
name	Grade No.	Mg	RE	other	With	scope of application
copper magnesium alloy	CuMg13	13 ± 2	/	＜ 0.5	margin	For ductile iron casting
copper magnesium alloy	CuMg17	17 ± 2	/	＜ 0.5	margin
Rare earth copper magnesium alloy	CuREMg20	20 ± 2	25 ± 2	＜ 0.5	margin

5. The appearance of the product is ingot-like , and there is no obvious oxidized and shedding powder on the surface , and the new section has a metallic luster .

6. If the buyer has other requirements for chemical composition and specifications , the supplier and buyer shall negotiate separately.

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