NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T, D/P |
| Supply Ability | 1000tons per month |
| Delivery Time | 20days |
| Packaging Details | bundles packing;wooden box packing |
| Standard: | ASTM B135 C22000 |
| Material: | C22000;C23000;C27000;C33000;C44300 |
| Shaped Tubes | Round Brass Tube,rectangle Copper Tubes |
| Application: | Condenser;heat-exchanger;cooling;evaporators |
| Temperature Classification: | High Temperature Piping |
| Customized: | Accept |
| Working Temperature: | -40°c Until +120°c |
| Length: | "1-12m,as Your Requirment" |
| Brand Name | New-Era |
| Model Number | ASTM B135 C23000 |
| Certification | ISO9001 TS16949 |
| Place of Origin | Made In China |
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Product Specification
| Payment Terms | L/C, T/T, D/P | Supply Ability | 1000tons per month |
| Delivery Time | 20days | Packaging Details | bundles packing;wooden box packing |
| Standard: | ASTM B135 C22000 | Material: | C22000;C23000;C27000;C33000;C44300 |
| Shaped Tubes | Round Brass Tube,rectangle Copper Tubes | Application: | Condenser;heat-exchanger;cooling;evaporators |
| Temperature Classification: | High Temperature Piping | Customized: | Accept |
| Working Temperature: | -40°c Until +120°c | Length: | "1-12m,as Your Requirment" |
| Brand Name | New-Era | Model Number | ASTM B135 C23000 |
| Certification | ISO9001 TS16949 | Place of Origin | Made In China |
| High Light | c23000 small brass pipe ，c23000 pipe ，ASTM B135 small brass pipe | ||
Heat-exchanger Brass Precision Seamless Pipe C23000
Chemical composition table
| Copper Alloy UNS NO.² | Previously Used Designation | Nominal Composition,% | ||
| Copper | Zinc | Lead | ||
| C22000 | 7 | 90 | 10 | ... |
| C23000 | 1 | 85 | 15 | ... |
| C27000 | 9 | 65 | 35 | ... |
| C33000 | 3 | 66 | 33.5 | 0.5 |
| C44300 | ... | 71.5 | 27.5 | ... |
Brass tube have strong, corrosion resistant properties, and become a modern contractor in all
of commodity house pipes,heating, cooling water piping installation of choice.Widely used for
air-conditioning and refrigeration field service,heat exchange use,connecting tubes,distribution,
fire protection,solar,natural gas,liquefied petroleum gas,vent piping.
Nondestructive Testing
1.Unless nondestructive testing has been waived,Brass tubesshall be subjected to a nondestructive test.T
he manufacturer shall select the nondestructive test that is most suitable for the tube size and the application
2.Eddy-current testing is the standard nondestructivetest,andall tubes of appropriate size shall be eddy-current
tested in accordance with A
3.Tubes that are not of a size suitable for eddy-current test capabilites shall be tested by the hydrostatic test as
described in B ,or by the pneumatic test as described in C
A:Eddy Current Test-Each tube up to 3 8/1 in 【79mm】 in outside diameter shall be subjected to an eddy-current test..
B:Hydrostatic Test -When specified , the tube shall sand,without showing evidence of leakage an internal hydrostatic
pressure to subject the material to a fiber stress of 7000 psi [48MPa],determined by the following equation for thin hollow
cylinders under tension p=2Stl(D-0.8t)
C:Pneumatic Test- - -When specified, the tube shall be subjected to an internal air pressure of 60 psig [400 kPa] minimum
for 5 s without showing evidence of leakage. The test method used shall provide for easy visual detection of any leakage,
such as by immersion of the tube under water or by the pressure differential method. Any evidence of leakage shall be cause
for rejection.
Mechanical Properties
The mechanical properties of UNS C23000 red brass alloys are displayed in the following table.
Properties | Metric | Imperial |
| Tensile strength | 269-724MPa | 39-105 ksi |
| Yield strength | 69-434 MPa | 10-70 ksi |
| Elongation | 55% | 55% |
| Poisson's ratio | 0.34 | 0.34 |
| Elastic modulus | 117 GPa | 16969 ksi |
Equivalent materials to UNS 23000 red brass alloys are given in the table below:
| ASME B16.22 | ASTM B134 | ASTM B687 | ASTM B111 |
| ASME B16.29 | ASTM B135 | ASTM B698 | ASME SB543 |
| ASME SB111 | ASTM B359 | MIL T-20168 | ASTM B587 |
| ASME SB359 | ASTM B36 | QQ W321 | ASTM B543 |
| ASME SB395 | ASTM B395 | SAE J461 | |
| ASME SB43 | ASTM B43 | SAE J463 | |
Product picture:
Tags:ASTM B135/B135M,Brass Alloy precision Pipe,Copper seamless tubing,H98,H85,H65,Cooling brass tubes,evaporators copper round pipes
Company Details
Business Type:
Manufacturer
Year Established:
1988
Total Annual:
100000000-15000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int... Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int...
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