Copper Nickel 70/30 Bars and Rods

From the heart of Hamilton, New Zealand, Hemi Metals stands as a trusted manufacturer and supplier of high-performance alloys, with a specialisation in Copper Nickel 7030 bars and rods. We pride ourselves on delivering materials that are forged with precision and reliability, directly supporting the robust engineering and marine industries both locally and across the globe. Our commitment is to provide not just a product, but a durable solution you can count on for the most demanding environments.

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Copper Nickel 70/30 Cold Drawn Bars

Cu-Ni 70/30 Bright Rods

70/30 Cu-Ni Threaded Rods

The defining characteristic of Copper Nickel 7030, or cupronickel, is its composition of approximately 70% copper and 30% nickel. This powerful combination grants the alloy exceptional resistance to corrosion, particularly in seawater, and impressive strength. It performs reliably across a wide temperature range and possesses good ductility, making it a versatile and tough material well-suited for fabricating components that must withstand harsh conditions for years on end.

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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

Grade	Cu	Mn	Pb	Ni	Fe	Zn
Copper Nickel 70/30	65.0 min	1 max	.05 max	29-33	0.4-1.0	1 max

Copper Nickel 70/30 Bars and Rods Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
0.323 lb/in3 at 68 F	2260 °F	Psi – 50000	Psi – 20000	30 %

Copper Nickel 70/30 Bars and Rods Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS
Copper Nickel 70/30	2.0882	C71500

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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

Cu-Ni DIN 2.0882 Hex Bar Dealer in Hamilton AISI 70/30 Hex Bar Supplier in Wellington, 70/30 Copper Nickel Hex Bar Manufacturer in Tauranga, ASTM B151 70/30 Copper Nickel Forged Rods Supplier in Auckland, Cupronickel 70/30 Rectangle Bar Size Chart, Copper Nickel 70/30 Solid Rod Price in Dunedin, UNS C71500 70/30 Copper Nickel Square Bars and Rods Supplier in New Zealand, ASME SB151 70/30 Cu Ni Half Round Bars Stockist in Tauranga, Cupronickel 2.0882 Threaded Bar Supplier in Midland

Frequently Asked Questions (FAQ)

Are Copper Nickel 70/30 Bars and Rods Suitable For Hygienic And Sanitary Applications?

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.

Can Copper Nickel 70/30 Bars and Rods Be Recycled After Use?

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.

How Are Copper Nickel 70/30 Bars and Rods Sized?

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

You will most often find Copper Nickel 7030 bars and rods at work in critical marine systems, such as seawater piping, pumps, and valves on ships and offshore platforms. Their reliability also makes them ideal for condenser components in desalination plants and power generation facilities. Essentially, wherever there is a need for long-lasting performance against saltwater corrosion and high stress, this alloy proves to be an indispensable choice for engineers and fabricators.

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