N4 N6 and Nickel Alloy Big Diameter Bar
Baoji Refractory Metal Developer Co.,Ltd is one of the leading China nickel bar manufacturers and suppliers,Website:, and as a professional company we have productive factory, welcome to wholesale nickel bar, nickel rod products from us. ☆Chemical Composition: Grade
Chief component
%
Impurities max
%
Ni+Co
Cu
Si
Mn
C
Mg
S
P
Fe
Pb
Bi
As
Sb
Zn
Cd
Sn
Cr
N4
99.9
0.015
0.03
0.002
0.01
0.01
0.001
0.001
0.04
0.001
0.001
0.001
0.001
0.005
0.001
0.001
N5
99.0
0.25
0.30
0.35
0.02
0.01
0.40
0.2
N6
99.5
0.10
0.10
0.05
0.10
0.10
0.005
0.002
0.10
0.002
0.002
0.002
0.002
0.007
0.002
0.002
N7
99
0.25
0.30
0.35
0.15
0.01
0.40
0.2
Note：
NUS N02201 (ASTM B 162) same as N5 (GB/T 2054).
NUS N02200 (ASTM B 162) same as N7 (GB/T 2054).
☆Specification： Description
Diameter (mm)
Length (mm)
Rod
0.800~12.00
50~2000
Bar
12.00~20.00
50~2000
20.00~30.00
50~1200
30.00~70.00
50~800
＞70.00
50~600
Note:All the products can be supplied in according to customer’s requirement.
☆Range of use: —Food processing equipment —Marine and offshore engineering —Salt production —Caustic handling equipment —Manufacture and handling of sodium hydroxide, particularly at temperatures above 300°F—Reactors and vessels in which fluorine is generated and reacted with hydrocarbons ☆Tolerance： Cold-rolling bar（rod)
Diameter（mm）
Tolerance （mm）
I
II
3~6
±0.03
±0.05
＞6~10
±0.04
±0.06
＞10~18
±0.05
±0.08
＞18~30
±0.06
±0.10
＞30~50
±0.09
±0.13
＞50~65
±0.12
±0.16
Note:Special demands on tolerance available.
Thermal processing bar（rod）
Diameter（mm）
Tolerance （mm）
Extrusion
Hot-rolling
Forging
I
II
+
-
6~15
±0.60
±0.80
0.60
0.50
±1.00
＞15~30
±0.75
±1.00
0.70
0.50
±0.50
＞30~50
±1.00
±1.20
1.50
1.00
±2.00
＞50~80
±1.20
±1.55
2.00
1.00
±3.00
＞80~120
±1.55
±2.00
2.20
1.20
±3.50
＞120~160
—
—
—
—
±5.00
＞160~200
—
—
—
—
±6.50
＞200~254
—
—
—
—
±7.00
Note:Special demands on tolerance available. Established in 1994, Refractory Metal Developer is one of the largest professional manufacturers and suppliers of n4 n6 and nickel alloy big diameter bar. Leveraging on advanced technology and equipment, our company has successfully exported our products to various buyers from different regions. Now, we warmly welcome you to buy our factory supply refractory metals.
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