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Niobium Powder

Niobium is a lustrous, grey, ductile, paramagnetic metal. Like tantalum, niobium also features outstanding chemical and oxidation resistance. Niobium powder can be added to iron or nickel to produce alloys in the aerospace, medical and electronics industries. 90% niobium powder is used to produce high-grade structural steel, followed by its use in superalloys.

Niobium Powder Features

• Physical properties: Light gray powder, Excellent melting point and corrosion resistance

• Application: Used as additive of alloy and production of welding electrode

Niobium Powder for metallurgical purpose

Grade		FNb-1	FNb-2	FNb-3	FXNb-1	FXNb-2	FXNb-3
Nb+Ta,%,Minimum		-	-	98	-	-	-
Impurity content ,%,max	Ta	0.2	0.5	-	0.1	0.2	0.3
	O	0.2	0.2	0.5	0.3	0.35	0.5
	H	0.005	0.005	0.01	0.005	0.01	0.01
	N	0.04	0.06	-	0.02	0.04	0.05
	C	0.05	0.05	0.08	0.02	0.04	0.04
	Fe	0.01	0.05	-	0.01	0.02	0.03
	Si	0.005	0.01	-	0.005	0.01	0.01
	Ni	0.005	0.005	-	0.005	0.01	0.01
	Cr	0.005	-	-	0.005	0.01	0.01
	W	0.005	0.01	-	0.005	0.01	0.01
	Mo	0.003	0.005	-	0.005	0.01	0.01
	Ti	0.003	0.005	-	0.005	0.01	0.01
	Mn	0.003	0.005	-	0.005	0.01	0.01
	Cu	0.003	0.005	-	0.003	0.006	0.006
	Al				0.003	0.006	0.006
	P	-	-	0.01	-	-	-
	S	-	-	0.01	-	-	-
Sieve mesh		-100mesh, -80mesh, -325meh
Sieve mesh		Re-inspected plus sieve powder shall be less than5%
Special requirements to be agreed upon by the supplier and buyer

Spherical Niobium Powder

AEM’s spherical niobium metal powder is also a material for 3D printing. It can produce the metal objects directly with high density and accurate shape by DMLS (direct metal laser sintering), which is a typical 3D printing technique. The combination of low oxygen content, spherical shape and excellent flowability makes our powders perfectly printable and contributes to achieve outstanding characteristics of 3D printed parts.

Physical Properties of Spherical Niobium Powder

Size			15-53 um/45-106 um
Shape			Spherical shape
Melting point			2477℃
Apparet density			≥4.6 g/cm3
Tap density			≥5.7 g/cm3
Hall flow rate			≤15 s/50g

Chemical Composition of Spherical Niobium Powder

Chemical Composition - by ICP-AES
Element	Nb	Cu	W	Mo	Fe	Ni
Value (%)	≥99.9	＜0.001	＜0.005	＜0.003	＜0.005	＜0.002
Element	Cr	Ti	Ta	Al	Mn	Si
Value (%)	＜0.002	＜0.002	＜0.05	＜0.002	＜0.002	＜0.001
Gas Impurities
Element	C		O
Value (%)	≤0.01		0.001

Spherical Niobium Powder Features

- Extremely low Oxygen Content;
- High tap density;
- Spherical shape with smooth surfaces;
- Very good flowability.

Related Powders of Niobium Powder

Tantalum Powder	Niobium Powder	Hafnium Powder	Zirconium Powder
Cobalt Powder	Chromium Powder	Titanium Powder	Tungsten Powder
Molybdenum Powder	Nickel Powder	Copper Powder	Iron Powder
Aluminium Powder	Silver Powder	Rhenium Powder	More Powder

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