CuNi ASTM B466 UNS c70600 70 30 pipe

Cu-Ni ASTM B466 UNS C71500 70/30 Pipes & Tubes, Cupro Nickel 70/30 Rectangular Pipes & Tubes, Copper Nickel Seamless Tubes Supplier

Bhawal Steel Agency is a manufacturer & exporter of Copper Nickel pipes & Tubes. It has the heating element of constantan or nickel-chromium alloy within a sheath of copper, cupronickel or stainless steel. Copper Nickel Tubes is used in cryogenic applications, where it is the combination of good ductility retention and thermal conductivity at shallow temperatures. Copper-Nickel Pipes is often used as a single conductor pair of thermocouple conductors such as iron-constantan, copper constantan or nickel-chromium/nickel-aluminium. Copper-nickel pipes are advantageous for low-temperature processing and storage equipment and heat exchangers at cryogenic plants. Copper-nickel Tubes have properties to comprise corrosion resistance, good tensile power, outstanding ductility when annealed, and inherent resistance to macro fouling. Gr 70/30 Cupro Nickel Pipes also have thermal conductivity and expansion characteristics amenable for heat exchangers and condensers, good thermal conductivity and flexibility at cryogenic temperatures and beneficial antimicrobial touch surface properties.

70/30 Cupro Nickel Tubes have high resistance to crevice corrosion, stress corrosion cracking, and hydrogen embrittlement that could be troublesome to other alloy systems. Currently, Copper-nickel welded pipes remain the primary material for silver-plated cutlery. Cu-Ni Seamless Pipes is commonly used for mechanical and electrical equipment, medical equipment, and as material for string instruments. For high-quality cylinder locks and locking systems, zippers, cylinder cores are made from wear-resistant Cu-Ni Welded Pipes.

Copper Nickel 70/30 Pipe Specification

Standard	ASTM / ASME SB 111 / 466
Size	1/2" TO 6' IN OD & NB IN Various SWG & SCH
Outer Diameter	4.00 to 22.00 mm
Wall Thickness	Between 0.15mm and 1.50 mm
Grade	UNS C 71500 (CU -NI- 70/30), UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200
Type	Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form	Round, Square, Rectangular, Hydraulic Etc.
End	Plain End, Bevelled End, Treaded
Length	Single Random, Double Ranidom & Cut Length
Specification	ASTM B 466 ASME SB 466 / ASTM B 467 ASME SB 467
Seamless Pipe size	4 to 219mm W. T.: 0.5 to 20mm
Welded Pipe size	5.0 mm – 1219.2 mm
EFW Pipe size	5.0 mm – 1219.2 mm
Pipe Schedule	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Pipe Form	Round, Square, Hollow, Rectangular, Hydraulic, Straight Pipes Etc.
Sizes	Round Pipe Wall thickness: 0.2mm~120mm Outside Diameter: 2mm~910mm Square Pipe Wall thickness: 0.2mm~120mm Size: 2mm*2mm~1016mm*1016mm Rectangular Pipe Wall thickness: 0.2mm~910mm Size: 2mm*4mm~1016mm*1219mm
Pipe Hardness	1/16 hard, 1/8 hard, 3/8 hard, 1/4 hard, 1/2hard, full hard, soft etc
Pipe End	Plain End, Beveled End, Treaded.
Pipe Length	Single Random, Double Random & Cut Length.
Origin	European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Marking	All Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Pipe Application	Thus, they are widely used for heat exchangers, radiators, coolers, electro-heat-up pipe, Air conditioner and refrigerators. They are precise in size and smooth on surface. straight pipes can be used for oil transportation, brake pipes, water pipes and gas pipes for construction. Pipe are of good heat conductibility. The Pipe are made of pure electrolysis copper.
Pipe Finish	mill, polished, bright, oiled, hair line, brush, mirror, sand blast, or as required.
Our Presence	USA, Canada, Australia, UK, Malaysia, Poland, Iran, Italy, Singapore, UAE
Material Test Certificates (MTC)	Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
Test	Intergranular Corrosion (IGC) Test Flattening Test Micro and MacroTest Positive Material Identification – PMI Testing Chemical Analysis – Spectro Analysis Flaring Test Hardness Test Mechanical Testing Such as Tensile of Area Pitting Resistance Test
Specialized in	Large Diameter Pipe

Ni	99.0 min
Fe	0.4 max
C	0.15 max
Mn	0.35 max
Si	0.1 max
Cu	0.25 max
Mg	-
Ti	-
S	0.01 max

 

	Cu(1)	Fe	Pb	Mn	Ni(2)	Zn
Min./Max.	Rem.	.40-1.0	.05	1.0	29.0-33.0	1.0
Nominal	69.5	.50	-	-	30.0	-

 

Mechanical properties of UNS C71500 70/30 Pipes

Symbol	Melting range °C	Electrical conductivity at 20°C m/( Ω . mm2)	Thermal conductivity at 20°C W/(m . K)	Coefficient of expansion (25 to 300°C) 10-6/K	Elastic modulus Ε kN/mm2
CuNi10Fe1Mn1-C	1105-1140	5.5	59	17	123
CuNi30Fe1Mn1NbSi-C	1170-1240	2.5	29	16	145
1Density of both materials is 8.9 kg/dm3

 

Copper Nickel 70/30 Pipe composition

C71500 Pipe

Joining Technique	Suitability
Soldering	Excellent
Brazing	Excellent
Oxyacetylene Welding	Good
Gas Shielded Arc Welding	Excellent
Coated Metal Arc Welding	Excellent
Spot Weld	Excellent
Seam Weld	Excellent
Butt Weld	Excellent
Capacity for Being Cold Worked	Good
Capacity for Being Hot Formed	Good
Machinability Rating	20

Cuni 70/30 Pipe Types	Out diameter	Wall thickness	Length
NB Sizes (in stock)	1/8” ~ 8”	SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160	Upto 6 Meters
Cuni 70/30 Seamless Pipe (Custom Sizes)	5.0mm ~ 203.2mm	As per requirement	Upto 6 Meters
Cuni 70/30 Welded Pipe (in Stock + Custom Sizes)	5.0mm ~ 1219.2mm	1.0 ~ 15.0 mm	Upto 6 Meters

ASME SB111 Welded Cu-Ni Pipes Size

Wall	Sizes ( O.D.)
.010	1/16" , 1/8" , 3/16"
.020	1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012	1/8"
.016	1/8" , 3/16"
.028	1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035	1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049	3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065	1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083	1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095	1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109	1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120	1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125	3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134	1"
.250	3"
.375	3 1/2"

 

Cupro Nickel 70/30 Pipe Pressure Rating

Pipe O.D. (in.)	Wall Thickness of Tube (inches)
	.028	.035	.049	.065	.083	.095	.109	.120
	Working Pressure (psig)
1/8	7900	10100
1/4	3700	4800	7000	9500
5/16		3700	5400	7300
3/8		3100	4400	6100
1/2		2300	3200	4400
3/4			2200	3000	4000	4600
1				2200	2900	3400	3900	4300

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