Copper Nickel 70/30 Bars and Rods

Dhruv Metals, located in Hyderabad, India, has made a name for itself as a leading manufacturer and supplier of high-quality Copper Nickel 70/30 Bars and Rods. These products are celebrated for their outstanding resistance to corrosion and erosion, particularly in marine settings. Crafted from top-notch raw materials and utilizing advanced technology, they meet international standards like ASTM B151. Dhruv Metals ensures that their offerings come with precise dimensions, a flawless surface finish, and dependable mechanical strength. With a strong emphasis on customer satisfaction and quality, the company caters to various sectors, including shipbuilding, power generation, desalination, and offshore engineering, providing both custom and standard specifications to fulfill global needs.

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Copper Nickel 70/30 Cold Drawn Bars

Cu-Ni 70/30 Bright Rods

70/30 Cu-Ni Threaded Rods

Table of Contents

Copper Nickel 70/30 (UNS C71500) is an alloy made up of roughly 70% copper and 30% nickel, with small amounts of iron and manganese added to boost its strength and resistance to corrosion. This alloy is particularly effective against seawater, brine, and fast-moving currents. Its mechanical characteristics include a tensile strength ranging from 360 to 500 MPa, yield strength between 150 and 250 MPa, and an elongation of 30 to 40%. The material is known for its good weldability, excellent ductility, and remarkable resistance to biofouling and stress corrosion cracking. These attributes make it perfect for high-performance, long-lasting components in challenging marine and industrial settings.

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Copper Nickel 70/30 Bars and Rods Specification

Standards ASTM B151 / ASME SB151
Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI all International Standards
Diameter Outside Diameter in the range of 4mm to 500mm
Width 1m to 48″
Hex Bars 18mm – 57mm (11/16″ to 2-3/4″)
Square Bars 18mm – 47mm (11/16″ to 1-3/4″)
Flat Bars 1/2” to 10” in the thickness range of 2mm to 150mm
Wire Length Max 12000 mm
Wire Diameter 5.5 – 400 mm
Length 1 to 6 Meters, Custom Cut Lengths
Types Round, Square, Hex (A/F), Flat, Square, Rectangle, Billet, Ingot, Forging, Wire Bobbin, Wire Spool, Wire Rope, Spring Wires, Welding Wire, Coiled Wire Etc.

Chemical Compositions of Copper Nickel 70/30 Bars and Rods

GradeCuMnPbNiFeZn
Copper Nickel 70/3065.0 min1 max.05 max29-330.4-1.01 max

Copper Nickel 70/30 Bars and Rods Mechanical Properties

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
0.323 lb/in3 at 68 F2260 °FPsi – 50000Psi – 2000030 %

Copper Nickel 70/30 Bars and Rods Equivalent Grades

STANDARDWERKSTOFF NR.UNS
Copper Nickel 70/302.0882C71500

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Copper Nickel 70/30 Bars and Rods Sizes

Metric US Rods ASTM/ Canadian Japanese
Rods Size Diam. (mm) Rods Size Diam. (Inch) Rods Size Diam. (mm2) Rods Size Diam. (mm)
5 5 #2 0.250 10M 100 6 6
5.5 5.5 #3 0.375 15M 200 10 10
6 6 #4 0.500 20M 300 13 13
7 7 #5 0.600 25M 500 16 16
8 8 #6 0.750 30M 700 19 19
9 9 #7 0.875 35M 1000 22 22
10 10 #8 1.000 45M 1500 25 25
11 11 #9 1.125 55M 2500 29 29
12 12 #10 1.250 32 32
14 14 #11 1.375 35 35
16 16 #12 1.500 38 38
18 18 #13 1.600 41 41
20 20 #14 1.750 44 44
22 22 #15 1.875 48 48
25 25 #16 2.000 51 51
28 28 #18 2.250 57 57
32 32
36 36
40 40
44 44
50 50

Weight Chart of Copper Nickel 70/30 Bars and Rods

Size Kgs / Foot Kgs / Mtr Size Kgs / Foot Kgs / Mtr Size Kgs / Foot Kgs / Mtr
3mm 0.017 0.055 20mm 0.753 2.470 3″ 10.900 35.762
1/8″ 0.019 0.062 22mm 0.908 2.979 3-1/4″ 12.800 41.996
5/32″ 0.029 0.095 7/8″ 0.926 3.038 3-1/2″ 14.850 48.772
4mm 0.030 0.098 24mm 1.080 3.543 3-3/4″ 17.001 55.780
3/16″ 0.043 0.141 25mm 1.180 3.871 4″ 19.306 63.340
5mm 0.047 0.154 1″ 1.210 3.970 4-1/4″ 21.908 72.249
7/32″ 0.058 0.190 26mm 1.271 4.170 4-1/2″ 24.4487 80.340
6mm 0.068 0.223 27mm 1.368 4.490 4-3/4″ 27.366 90.249
1/4″ 0.076 0.249 1-1/8″ 1.534 5.033 5″ 30.461 99.940
7mm 0.091 0.298 30mm 1.691 5.548 5-1/2″ 36.690 121.000
5/16″ 0.118 0.387 1-1/4″ 1.924 6.349 6″ 43.860 143.900
8mm 0.120 0.398 32mm 1.894 6.314 6-1/2″ 51.093 167.630
9mm 0.152 0.498 1-3/8″ 2.303 7.550 7″ 59.432 196.000
3/8″ 0.170 0.557 35mm 2.390 7.553 7-1/2″ 68.226 225.000
10mm 0.189 0.620 36mm 2.438 7.999 8″ 77.586 254.55
11mm 0.228 0.748 38mm 2.792 8.903 10″ 121.048 397.140
7/16″ 0.232 0.761 1-1/2″ 2.715 8.951
12mm 0.271 0.889 40mm 3.009 9.872
1/2″ 0.303 0.994 1-5/8″ 3.200 10.449
13mm 0.318 1.043 1-3/4″ 3.712 12.179
14mm 0.368 1.207 45mm 3.807 12.555
9/16″ 0.383 1.256 1-7/8″ 4.260 13.977
15mm 0.424 1.391 48mm 4.330 14.205
5/8″ 0.473 1.551 50mm 4.698 15.414
16mm 0.481 1.578 2″ 4.848 15.906
17mm 0.543 1.791 2-1/8″ 5.475 17.963
11/16″ 0.573 1.880 2-1/4″ 6.135 20.128
18mm 0.610 2.001 60mm 6.768 22.205
3/4″ 0.682 2.237 2-3/8″ 6.838 22.435
2-1/2″ 7.576 24.856
2-5/8″ 8.354 27.409
2-3/4″ 9.169 30.083

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Copper Nickel 70/30 Bars and Rods Types

Cupro Nickel 70/30 Square Bar
Copper Nickel 70/30 Flat Bar
Copper Nickel 70/30 Hex Rods
Cupro Nickel 70/30 Bright Bar
Cu-Ni 70/30 Rectangular Bar
Cu Ni 70/30 Round Rods

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Frequently Asked Questions (FAQ)

Yes, Copper Nickel 70/30 bars and rods are suitable for hygienic and sanitary applications due to their corrosion resistance, antimicrobial properties, and durability, making them ideal for food, beverage, and medical industries.

Yes, Copper Nickel 70/30 bars and rods can be recycled after use. They maintain their properties when recycled, making them an environmentally sustainable material for reuse in various applications.

Copper Nickel 70/30 bars and rods are sized by their diameter for round bars or by width and thickness for rectangular bars, typically measured in inches or millimeters.

Copper Nickel 70/30 Bars and Rods Uses

Copper Nickel 70/30 Bars and Rods find extensive use in marine and offshore industries thanks to their impressive resistance to seawater corrosion, erosion, and biofouling. They are commonly used in applications such as condenser tubes, seawater piping, heat exchangers, pump components, and marine fittings. In power plants and desalination facilities, these materials are favored for brine heaters, evaporators, and cooling systems. Their reliability in harsh conditions also makes them ideal for naval and shipbuilding projects. Beyond marine applications, these bars and rods are versatile enough to be used in various other industries as well.

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