Copper Nickel Hex Bars

Fahad Metals stands out as a premier manufacturer and reliable supplier of Copper Nickel Hex Bars and Rods, proudly based in Jakarta, Indonesia. We cater to the marine, industrial, and power sectors throughout Southeast Asia. Our Cu-Ni hex bars, offered in both 90/10 and 70/30 grades, are specifically designed to resist seawater corrosion, biofouling, and mechanical stress. Crafted with precision and in line with ASTM B151/B122 standards, these bars boast excellent machinability, weldability, and dimensional accuracy. At Fahad Metals, we offer customized sizes, quick delivery, and full material traceability, making us a dependable partner for challenging marine, chemical, and thermal applications.

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Copper Nickel Hexagonal Bar

70/30 Copper Nickel Hex Bar

90/10 Copper Nickel Hex Bar

What is Copper Nickel Hex Bars?

Copper Nickel Hex Bars and Rods generally consist of 90% Copper and 10% Nickel or 70% Copper and 30% Nickel, depending on the specific grade. The addition of small amounts of Iron and Manganese enhances overall strength and seawater resistance. These alloys showcase tensile strength ranging from 310 to 500 MPa, yield strength around 100 to 150 MPa, along with impressive elongation and impact resistance. Non-magnetic and thermally stable, Cu-Ni hex bars excel in resisting stress corrosion cracking and scaling at elevated temperatures, making them ideal for continuous exposure to saline or brackish water.

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Copper Nickel Hex Bars Specifications

Properties	Description
Standard	ASTM B 111
Range	5 mm To 500 mm thick in 100 mm TO 6000 mm
Wire Range	50 Swg. to 4 Swg.
Length	100 mm to 3660 mm Long
Form	Round, Square, Hex (A/F), Bush, Rectangle , Flat, Wire Mesh
Application	Sea water pipework, Offshore fire water systems, Heat exchangers and condensers, Sheathing of legs and risers on offshore platforms and boat hulls, Hydraulic lines, Fish cages for aquaculture, Desalination units.

Chemical Composition of Copper Nickel Hex Bars Rods

Grade	Mn	Cu	Pb	Fe	Ni	Zn
90/10	1.0 max	88.6 min	0.5 max	1.8 max	9-11 max	1 max
70/30	1 max	65.0 min	0.5 max	0.4-1.0	29-33	1 max

Mechanical Properties of Copper Nickel Hex Bars

Grade	Melting point	Density	Tensilestrength	Elongation	Yieldstrength(0.2%Offset)
90/10	2260°F	8.8g/cm3	50000 PSi	30%	20000PSi
70/30	2260°F	0.323 lb/in3 at 68°F	50000 PSi	30%	20000PSi

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Copper Nickel Hex Bar Weight Chart

CUNI Hex Bar	Size(mm)	16	18	20	22	25	28	30	32	36	38	40	45	50	56
	WT / mtr (KG)	2.05	2.59	2.49	3.87	5	6.27	7.2	8.19	10.37	11.55	12.8	16.2	20	25.08
	WT / feet (KG)	0.62	0.79	0.76	1.18	1.52	1.91	2.19	2.5	3.16	3.52	3.9	4.94	6.1	7.65

Size chart of Copper Nickel Hex Bar

Hex bar – metric sizes and weights
Size	KG’s / metre	Standard length (m)
13 x 5	0.46	6.0
13 x 3	0.31	6.0
16 x 3	0.38	6.0
10 x 3	0.24	6.0
16 x 8	1.03	6.0
16 x 5	0.64	6.0
20 x 3	0.48	6.0
20 x 6	0.97	6.0
20 x 5	0.81	6.0
20 x 10	1.61	6.0
25 x 5	1.01	6.0
25 x 3	0.60	6.0
25 x 6	1.21	6.0
25 x 10	2.01	6.0
25 x 8	1.61	6.0
25 x 12	2.41	6.0
32 x 5	1.29	6.0
32 x 3	0.77	6.0
32 x 6	1.55	6.0
32 x 10	2.58	6.0
32 x 8	2.06	6.0
32 x 12	3.09	6.0
40 x 5	1.61	6.0
40 x 3	0.97	6.0
40 x 6	1.93	6.0
40 x 10	3.22	6.0
40 x 8	2.58	6.0
40 x 12	3.86	6.0
40 x 20	6.14	6.0
40 x 16	5.15	6.0
50 x 3	1.21	6.0
50 x 6	2.41	6.0
50 x 5	2.01	6.0
50 x 8	3.22	6.0
50 x 12	4.83	6.0
50 x 10	4.02	6.0
50 x 16	6.44	6.0
50 x 25	10.1	6.0
50 x 20	8.05	6.0
65 x 3	1.57	6.0
65 x 6	3.14	6.0
65 x 5	2.62	6.0
65 x 8	4.18	6.0
65 x 12	6.28	6.0
65 x 10	5.23	6.0
65 x 16	8.37	6.0
65 x 25	13.1	6.0
65 x 20	10.5	6.0

Equivalent grade of cupro nickel hexagon bar

Grade	UNS	Werkstoff Nr.
90/10	C70600	2.0872
70/30	C71500	2.0882

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Copper Nickel Hex Bars Types

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Copper Nickel Hex Bars Uses

Copper Nickel Hex Bars and Rods find extensive use in marine engineering applications, such as seawater piping, ship hulls, and offshore structures, thanks to their remarkable resistance to corrosion and marine organisms. In heat exchangers, condensers, and desalination plants, they maintain their integrity under high pressure and temperature. Their distinctive hexagonal shape lends structural strength to valves, pump shafts, fasteners, and flanges, particularly in oil & gas, chemical plants, and cryogenic systems. Additionally, due to their high thermal conductivity and non-sparking properties, they are also utilized in instrumentation and electrical components that demand durability and safety.

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