Niobium Powder for Metallurgical Purposes

CMTRM is the first enterprise engaged in the smelting and production of tungsten, molybdenum, tantalum and niobium in China. Through decades of technology accumulation and precipitation, the company has mastered the processing characteristics of various kinds of powder from raw ore control, smelting technology to powder preparation.

Product Description

產(chǎn)品用途：

用作生產(chǎn)超硬材料和硬質(zhì)合金的添加劑并用來(lái)生產(chǎn)電焊條、耐火材料等。

Application:

It is used to make super-hard materials and cemented carbides as alloy additives and also for producing welding electrodes, refractories, etc.

產(chǎn)品性能參數(shù)/ Product Property Parameters：

產(chǎn)品牌號(hào)Grade		FNb-1	FNb-2	FNb-3	FXNb-1	FXNb-2	FXNb-3
主含量（質(zhì)量分?jǐn)?shù)），（%，不小于） Main Content (mass fraction), %, min	Nb+Ta	99.8	99.5	98	99.8	99.5	99
雜質(zhì)含量（質(zhì)量分?jǐn)?shù)），（%，不大于） Impurity Contents (mass fraction), %, max	W	0.005	0.01	—	0.005	0.01	0.01
	Mo	0.003	0.005	—	0.005	0.01	0.01
	Cu	0.003	0.005	—	0.003	0.006	0.006
	Fe	0.01	0.05	—	0.01	0.02	0.03
	Ni	0.005	0.005	—	0.005	0.01	0.01
	Cr	0.005	0.01	—	0.005	0.01	0.01
	Ti	0.003	0.005	—	0.005	0.01	0.01
	Ta	0.10	0.20	—	0.10	0.20	0.30
	Mn	0.003	0.005	—	0.005	0.01	0.01
	Si	0.005	0.010	—	0.005	0.01	0.01
	Al	—	—	—	0.003	0.006	0.006
氣體雜質(zhì)含量（質(zhì)量分?jǐn)?shù)），（%，不大于） Gas Impurity Contents (mass fraction), %, max	C	0.05	0.05	0.08	0.02	0.04	0.04
	O	0.20	0.20	0.50	0.30	0.35	0.50
	N	0.04	0.05	—	0.02	0.04	0.05
	H	0.005	0.005	0.01	0.005	0.01	0.01
篩分目數(shù) Sieve mesh		-100目 -100mesh		-80目 -80 mesh	-325目 -325mesh
篩分目數(shù) Sieve mesh		篩上物小于5%, Re-inspected plus sieve powder shall be less than 5%.
注：用戶如有特殊要求，雙方具體商定。 Note: Special requirements will be agreed upon by the supplier and buyer.