shenzhen sunrise metal industry co., ltdholds tantalum ,niobium as the dominant products in the scope ofrare metal new materials, including many sorts and grades of theirmetals, sheet, tube, wire ,rod ,crucible , target ,alloy and soon.
niobium is an associated metal of tantalum ,characterized in highstrength ,high conductivity ,resistance to corrosion by liquid basemetals ,section with low neutron capture ,etc ,widely used forsteel ,ceramics ,electronics ,nuclear energy industries andsuperconductor technology.
product name:c103niobium alloy sheet
designation:ro4210-2,ro4261-4,c-103 nb-hf-tialloy,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 buyerfor 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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深圳市东升稀有金属有限公司
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