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ASTM B111 UNS C44300 Copper-Nickel Pipes DN100 6M

Size: 4" (DN100/114.3mm)
Wall thickness: SCH40S (6.02mm)
Material: UNS C44300 (CuZn28Sn/D5301/H3300)
Length: 6M

  • Type: UNS C44300 Copper-Nickel Pipes
  • Material: UNS C44300 (CuZn28Sn/D5301/H3300)
  • OD: 4 Inch (DN100/114.3mm)
  • Ends: Plain End
  • Length: 6M
  • Wall Thickness: 6.02mm/SCH40S

UNS C44300 is a copper-nickel alloy typically used for piping in a variety of applications. Copper-nickel has good corrosion resistance, high thermal and electrical conductivity, and low magnetic permeability. UNS C44300 is known for its strength and durability, it is a good choice for use in pipes subjected to high pressures or extreme temperatures. Copper-nickel tubing made from UNS C44300 is commonly used in marine and offshore applications, as well as in a variety of industrial environments.

Copper Nickel Brass UNS C44300 has a copper content of not less than 70%.

ASTM B111/ASME SB111 UNS C44300 Admiralty Brass is ideal for heat exchanger tubes. Normally made to order to meet engineering requirements, you will find this alloy often times used in oil and gas applications that also require its non corrosive properties. C44300 and C68700 have good corrosion resistance. C44300 Admiralty Brass Seamless Tubes Tensile strength minimum in 310Mpa, Yield Strength minimum in 105Mpa.

ASTM ASTM B111 Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
GB/T GB/T8890 Seamless Copper Alloy Heat Exchanger Tubes
BS BS2871 Copper and Copper Alloys Tubes
JIS JIS H3300 Copper and Copper Alloy-Seamless Pipes and Tubes
DIN DIN1785 Wrought Copper and Copper Alloy Tubes for Condensers and Heat Exchangers

Material Comparison Tables of Copper or Copper Alloy (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI)

KS/JIS Symbol KS/JISNumbe DIN Type DIN Number Materiral Number B.S Number B.S Grade Remarks ISO Type ISO Number
SB 111 Copper and Copper-Alloy Seamless Condenser Tube and Ferrule Stock
C44300 C44300 C4430T/C4430T D5301/H3300 CuZn28Sn 1785 2871 CZ111 CuZn28Sn1 R1337
C68700 C68700 C6870T/C6870T D5301/H3300 CuZN20Al 1785 2871 CZ110 CuZn20Al2 426-I
C70600 C70600 C7060T/C7060T D5301/H3300 CuNi10Fe1Mn 17664 2871 CN102 CuNi10Fe1Mn 429
C71000 C71000 C7100T/C7100T D5301/H3300
C71500 C71500 C7150T/C7150T D5301/H3300 CuNi30Mn1Fe 17664 2871 CN107 CuNi30Mn1Fe
C71640 C71640 C7164T/C7164T D5301/H3300 CuNi30Fe2Mn2 17664 2871 CN108 CuNi30FeMn2

Chemical composition of Copper or Copper Alloy Tube

Composition, %
Copper or Copper Alloy UNS No. CopperA Tin Aluminum Nickel, incl Cobalt Lead, max Iron Zinc Managnese Arsenic Antimony Phosphorus
Other Named Elements
C10200 99.95 min
C12000 99.90 min 0.004-0.012
C12200 99.9 min 0.015-0.040
C14200 99.40 min 0.15-0.50 0.015-0.040
C19200 98.7 min 0.8-1.2 0.15-0.50 0.01-0.04
C23000 84.0-86.0 0.05 0.05 max remalnder
C28000 59.0-63.0 0.30 0.07 max remainder
C44300 70.0-73.0 0.9-1.2 0.07 0.06 max remainder 0.02-0.06
C44400 70.0-73.0 0.9-1.2 0.07 0.06 max remainder 0.02-0.10
C44500 70.0-73.0 0.9-1.2 0.07 0.06 max remainder 0.02-0.10
C60800 remainder 5.0-6.5 0.10 0.10 max 0.02-0.35
C68700 76.0-79.0 1.8-2.5 0.07 0.06 max remainder 0.02-0.10
C70400 remainder   4.8-6.2 0.05 1.3-1.7 1.0max 0.30-0.8
C70600 remainder   9.0-11.0 0.05B 1.0-1.8 1.0maxB 1.0max B B
C71000 remainder   19.0-23.0 0.05B 0.50-1.0 1.0maxB 1.0max B B
C71500 remainder   29.0-33.0 0.05B 0.40-1.0 1.0maxB 1.0max B B
C71640 remainder   29.0-32.0 0.05B 1.7-2.3 1.0maxB 1.5-2.5 B B
C72200 remainder   15.0-18.0 0.05B 0.50-1.0 1.0maxB 1.0max B

A Copper (including silver),
B When the product is for subsequent welding applications, and so specified by the purchaser, zinc shall be 0.50% max,
lead 0.02% max, phosphorus 0.02% max, sulfur 0.02% max, and carbon 0.05% max.

When all the elements in Table 1 are analyzed, their sum shall be as shown in the following table.

Copper Alloy UNS No. Copper Plus Named Elements.% min
C23000 99.8
C28000 99.7
C44300 99.6
C44400 99.6
C44500 99.6
C68700 99.5

Tensile Requirements of Copper or Copper Alloy

Copper or Copper Alloy UNS No. Temper Designation Tensile Strength min ksiA Yield strengthBmin ksiA Elongation in 2 in, min%
Standard Former
C10200, C12000, C12200, C14200 H55 light-drawn 36 30
C10200, C12000, C12200, C14200 H80 hard-drawn 45 40
C19200 061 annealed 38 12
C23000 061 annealed 40 12
C28000 061 annealed 50 20
C44300, C44400, C44500 061 annealed 45 15
C60800 061 annealed 50 19
C68700 061 annealed 50 18
C70400 061 annealed 38 12
C70400 H55 light-drawn 40 30
C70600 061 annealed 40 15
C70600 H55 light-drawn 45 35
C71000 061 annealed 45 16
C71500 061 annealed 52 18
Wall thicknesses up to 0.048 in, incl HR50 drawn, stress-relieved 72 50 12
Wall thicknesses over 0.048 in. HR50 drawn, stress-relieved 72 50 15
C71640 061 annealed 63 25
C71640 HR50 drawn, stress relieved 81 58
C72200 061 annealed 45 16
C72200 H55 light-drawn 50 30

Expansion Requirements of Copper or Copper Alloy

Temper Designatio Copper or Copper Alloy UNS No. Expansion of Tbue Outside Diameter, in Percent of Original Outside Diameter
Standard Former
C19200 30
C23000 20
C28000 15
C44300,C44400,C44500 20
C60800 20
C68700 20
C70400 30
C70600 30
C71000 30
C71500 30
C71640 30
C72200 30
C10200,C12000,C12200 20
C14200 20
C70400 20
C70600 20
C72200 20
drawn,stress relieved C71500 20
hard-drawn, end annealed C10200,C12000,C14200 30


Tube Wall Thickness, in. Tube Outside Diameter, in.
Over ¼to ¾, incl Over ¾ to 1 ¼, incl Over 1¼ to 3⅓, incl.
Over 0.017-0.032 0.005 0.006 0.007
0.032-0.049, incl 0.006 0.006 0.0075
0.049-0.083, incl 0.007 0.0075 0.008
0.083-0.109, incl 0.0075 0.0085 0.0095
0.109-0.120, incl 0.009 0.009 0.011


Tube Outside Diameter, in. Diameter of Drilled Holes, in. Drill No.
¼-¾, incl 0.025 72
Over ¾-1, incl 0.031 68
Over 1-1¼, incl 0.036 64
Over 1¼-1½, incl 0.042 58
Over 1½-1¾, incl .0046 56
Over 1¾-2, incl 0.052 55

Hydrostatic Test – Each tube shall stand, without showing evidence of leakage, an internal hydrostatic pressure sufficient to subject the material to a fiber stress of 7000 psi, determined by the following equation for thin hollow cylinders under tension. The tube need not be tested at a hudrostatic pressure of over 1000psi unless so specified.

  • P = 2St/(D-0.8t) where:

  • P = hydrostatic pressure, psig.

  • t = thickness of tube wall, in.

  • D = outside diameter of the tube. in., and

  • S = allowable stress of the material, psi.


Outside Diameter, in Wall Thickness, in.




0.032 0.035 0.042 0.049 and Over
Diameter Tolerance, Plus and Minus, in.
Up to 0.500, incl 0.003 0.0025 0.0025 0.0025 0.0025
Over 0.500-0.740, incl 0.0040 0.004 0.004 0.0035 0.003
Over 0.500-7.40, incl 0.0060 0.006 0.005 0.0045 0.004
Over 0.740-1.000, incl 0.009 0.008 0.006 0.045
Over 1.250-1.375, incl 0.008 0.005
Over 1.375-2.000, incl 0.006

A Tolerances in this column are applicable to light drawn and drawn tempers only.
Tolerances for annealed tempers shall be as agreed upon between the manufacturer and the purchaser.


Wall Thicness, in. Outside Diameter, in.
Over ⅛ to ⅝, incl Over ⅝ to 1, incl Over 1 to 2, incl
0.020, incl to 0.032 0.003 0.003
0.032, incl to 0.035 0.003 0.003 0.004
0.035, incl to 0.058 0.004 0.0045 0.0045
0.058, incl to 0.083 0.0045 0.005 0.005
0.083, incl to 0.120 0.005 0.0065 0.0065
0.120, incl to 0.134 0.007 0.007 0.0075


Specified Length, ft Tolerance, all Plus, in.
Up to 15 3/32
Over 15-20, incl 1/8
Over 20-30, incl 5/32
Over 30-60, incl 3/8
Over 60-100, inclA 1/2

A Condenser tubes in lengths over 100 ft are not in present demand. Tolerance values for the lengths will be developed as experience dictates. Tolerance values for lengths in wall thicknesses of 0.020, incl. to 0.032 shall be as agreed upon between the manufacturer or supplier and the purchaser.

Tube. Outside Diameter, in Tolerance
Up to ⅝, incl 0.010 in.
Over ⅝ 0.016 in./in. of diameter

The properties and chemical compositions enumerated in this specification shall, in case of disagreement,
be determined in accordance with the following ASTM methods:

Test ASTM Designation
Chemical analysis B 170A,E53,E54,E62,E75,E478
Grainsize E112
Expansion (pin test) B153
Mercurous nitrate B154
Tension E8
Nondestructive test E243

A Reference to Specification B170 is to the suggested chemical methods in the annex thereof.
When E-1 Committee has tested and published methods for assaying the low-level impurties in copper.
The Specification B 170 annex will be eliminated.

APPENDIXES (Nonmadatory Information)


Copper or Copper Alloy UNS No. Density,
C10100,C10200,C10300,C10800,C12000,C12200,C14200 0.323
C19200 0.320
C23000 0.316
C28000 0.303
C44300,C44400,C44500 0.308
C60800 0.295
C61300,C61400 0.285
C68700 0.301
C70400 0.323
C70600 0.323
C71000 0.323
C71500 0.323
C71640 0.323
C72200 0.323

How to purchase copper nickel pipes?

Purchasing copper-nickel piping is a relatively simple process, but there are some key things to keep in mind in order to ensure that you get the right pipe for your project. In this article, we will provide a step-by-step guide on how to purchase copper-nickel pipe, as well as some important information about the performance and applications of this type of pipe.

  1. First, it is important to understand what copper-nickel pipe is and why it is used. Copper-nickel, also known as cupro-nickel or copper-nickel, is an alloy composed of copper and nickel. This alloy has many beneficial properties, including high strength, good corrosion resistance and excellent resistance to seawater. Copper-nickel tubing is commonly used in applications where these properties are important, such as marine environments, offshore oil and gas facilities, and desalination plants.
  2. Now that you know a little bit about copper-nickel tubes, let’s go through the steps to buy them.
  3. Determine the size and type of copper-nickel tubing you need. Copper-nickel pipes come in a variety of sizes, from small diameter pipes for pipeline applications to large diameter pipes for industrial and infrastructure projects. They also come in different types, such as seamless, welded and soldered pipe. The specific requirements of the project must be carefully considered to select the right pipe size and type to ensure they meet the requirements of the application.
  4. Choose a reputable supplier. When purchasing copper-nickel pipe, it is important to work with a reputable supplier that can provide quality pipe that meets the necessary specifications and standards. You can research different suppliers online and read customer reviews to understand the quality of their products and services. It’s also a good idea to ask for samples or material certifications to verify that the pipe meets the necessary standards and specifications.
  5. Consider the cost of the pipe. Copper-nickel pipe can be expensive, especially for large diameter pipes or special alloys with enhanced properties. It’s important to consider the total cost of the pipe, including the price of materials, any additional processing or fabrication, and shipping costs. You may also want to compare prices from different suppliers to ensure you get the best deal.
  6. Place your order. Once you have selected the right size and type of copper-nickel pipe and chosen a reputable supplier, you are ready to place your order. Be sure to provide the supplier with detailed specifications and any necessary certifications or documentation. You may also need to provide a deposit or make other payment arrangements.
  7. Check the quality of the pipe upon delivery. When delivering the piping, it is important to carefully inspect the piping to ensure that it meets the necessary specifications and is free of defects. If there are any issues with the quality of the piping, be sure to contact the supplier and discuss the problem.

By following these steps, you can purchase copper-nickel pipe with confidence and be sure to get the right pipe for your project. Copper-nickel pipe is a valuable material for many applications because of its high strength, corrosion resistance and seawater resistance. By choosing the right size and type of pipe and working with a reputable supplier, you can be sure to get the best pipe for your project.
China Copper-Nickel Pipes Manufacturer offers ASTM B111 UNS C44300 Copper-Nickel Pipes DN100 6M.

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