产品用途: 
	作为碳化钽的部分替代品,用于硬质合金添加剂,也可以可用来制造碳化铌陶瓷。
	Application: 
	It is used as a partial substitute of tantalum carbide, cemented carbide additives andalso used to manufacture niobium carbide ceramics.
	 
	产品性能参数/ Product Property Parameters: 
	
		
			
				| 
						牌号Grade
					 | 
						FNbC-1
					 | 
						FNbC-2
					 | 
			
				| 
						粒度范围
					 
						Fsss (μm)
					 | 
						一级
					 
						Level-1
					 | 
						二级
					 
						Level-2
					 | 
						三级
					 
						Level-3
					 | 
						一级
					 
						Level-1
					 | 
						二级
					 
						Level-2
					 | 
						三级
					 
						Level-3
					 | 
			
				| 
						<1.0
					 | 
						1.0-1.5
					 | 
						>1.5
					 | 
						<1.0
					 | 
						1.0-1.5
					 | 
						>1.5
					 | 
			
				| 
						主含量
					 
						(质量分数),%
					 
						Main Content (mass fraction)
					 
						 
					 | 
						碳化铌,(不小于)
					 
						NbC,min
					 | 
						99.5
					 | 
						99.0
					 | 
			
				| 
						总碳,
					 
						(不小于)
					 
						T.C,min
					 | 
						11.10
					 | 
						11.10
					 | 
			
				| 
						游离碳,(不大于)
					 
						F.C,max
					 | 
						0.15
					 | 
						0.20
					 | 
			
				| 
						杂质含量
					 
						(质量分数),
					 
						(%,不大于)
					 
						Impurity Contents (mass fraction), %, max
					 | 
						Ta
					 | 
						0.05
					 | 
						0.10
					 | 
			
				| 
						W
					 | 
						0.05
					 | 
						0.10
					 | 
			
				| 
						Fe
					 | 
						0.02
					 | 
						0.10
					 | 
			
				| 
						Cr
					 | 
						0.005
					 | 
						0.010
					 | 
			
				| 
						Ti
					 | 
						0.005
					 | 
						0.010
					 | 
			
				| 
						K
					 | 
						0.005
					 | 
						0.005
					 | 
			
				| 
						Na
					 | 
						0.005
					 | 
						0.005
					 | 
			
				| 
						Ca
					 | 
						0.005
					 | 
						0.005
					 | 
			
				| 
						Co
					 | 
						0.05
					 | 
						0.10
					 | 
			
				| 
						Si
					 | 
						0.010
					 | 
						0.010
					 | 
			
				| 
						气体杂质含量,
					 
						(%,不大于)
					 
						Gas Impurity Contents, %, max
					 | 
						O
					 | 
						0.50
					 | 
						0.40
					 | 
						0.30
					 | 
						0.50
					 | 
						0.40
					 | 
						0.30
					 | 
			
				| 
						N
					 | 
						0.020
					 | 
						0.30
					 | 
			
				| 
						注:用户如有特殊要求,双方具体商定。
					 
						Note: Special requirements will be agreed upon by the supplier and buyer.
					 |