Product Description

Niobium bar for niobium products

Specifications

Niobium bar
ASTM B 393-98
Size:Thk up to 0.1mm max*W up to 200mm max.*L

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Our company holds Tantalum ,Niobium as the dominant products in the scope of rare metal new materials, including many sorts and grades of their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on.

Niobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.

Product Name: niobium alloy sheet for niobium products
Designation:RO4210-2,RO4261-4,C-103 Nb-Hf-Ti Alloy,Cb752 Nb-W-Zr Alloy;
Standard:ASTMB393;
Purity:Nb>99.95%;
State:Annealed(M) or Non-Annealed(Y)

Size:

Thickness(mm)	Width(mm)	Length(mm)
0.10~0.20	30≤W≤200	30≤L≤1500
0.2~1.0	30≤W≤300	30≤L≤1500
1.0~10.0	30≤L≤1000	30≤L≤2000
≥10.0	30≤L≤1000	30≤L≤1000

1, Chemistry

Designation		RO4210-2	RO4261-4	C-103	Cb752
Impurities (%)	Zr	0.02	0.8~1.2	0.7	2.0~3.0
	Ti	0.002	0.02	0.7~1.3	0.2
	C	0.01	0.01	0.015	0.015
	N	0.015	0.01	0.015	0.01
	O	0.015	0.015	0.023	0.02
	H	0.001	0.0015	0.002	0.0015
	Ta	0.10	0.10	0.5	0.5
	Fe	0.005	0.005	-	-
	Si	0.005	0.005	-	-
	W	0.03	0.03	0.5	9.0~11.0
	Ni	0.005	0.005	-	-
	Mo	0.010	0.01	-	-
	Cr	0.002	0.002	-	-
	Hf	-	-	9.0~11.0	0.2
	Nb	Bal	Bal	Bal	Bal

2,Tollerance

Thickness(mm)	Tollerance of Thickness(mm)	Width(mm)	Tollerance of Width(mm)	Length	Tollerance of Length (mm)
>0.1~0.2	±0.015	30~200	±2.0	30≤L≤1500	±3.0
>0.2~0.3	±0.02	30~300	±3.0	30≤L≤1500	±3.0
>0.3~0.5	±0.03	30~300	±3.0	30≤L≤1500	±3.0
>0.5~0.8	±0.04	30~300	±3.0	30≤L≤1500	±3.0
>0.8~1.0	±0.06	30~300	±3.0	30≤L≤1500	±3.0
>1.0~1.5	±0.08	30~1000	±4.0	30≤L≤2000	±3.0
>1.5~2.0	±0.12	30~1000	±4.0	30≤L≤2000	±3.0
>2.0~3.0	±0.18	30~1000	±4.0	30≤L≤2000	±3.0
>3.0~4.0	±0.18	30~1000	±4.0	30≤L≤2000	±3.0
>4.0~6.0	±0.20	30~1000	±4.0	30≤L≤2000	±3.0
Note:The tolerance should be determined by the seller and buyer for special size products.

3,Physical Properies

Designation	State	Thickness (mm)	Tensile Strength σb /MPa	Elong A / %
RO4210-2	Annealed	0.1~0.25	≥196	≥25
	Annealed	≥0.25~0.5	≥196	≥25
	Annealed	≥0.5	≥196	≥25

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