Negotiable
The date of payment from buyers deliver within days
Tianjin
Long-term effective
2024-01-19 08:01
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Company Profile
GNEE (Tianjin) Multinational Trade Co.,LtdBy certification [File Integrity]
Contact:copper200(Mr.)
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Telephone:
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Area:Tianjin
Address:Tianjin
Website:http://www.chinacopperalloys.com/ http://copper200.dgguojia.com/
This specification establishes requirements for seamless tube and collar blanks of copper and various copper alloys in specified diameter ranges for surface condensers, evaporators, and heat exchangers. The specified copper and copper alloys are UNS Nos. C10100, C10200, C10300, C10800, C12000, C12200, C14200, C19200, C23000, C28000, C44300, C44400, C44500, C60800, C61300, C61400 , C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640 and C72200.
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Industry-leading copper production technology
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ASTM B111 Chemical Requirments:
Alloy | Chemical Composition % | |||||||||||
Copper | Tin | Aluminum | Nickel | Lead | Iron | Zinc | Manganese | Arsenic | Antimony | Phosphorus | Chromium | |
C10100 | 99.99Min | - | - | - | 0.001 | - | 0.0001Max | - | - | - | 0.0003Max | - |
C10200 | 99.95Min | - | - | - | - | - | - | - | - | - | - | - |
C10300 | 99.95Min | - | - | - | - | - | - | - | - | - | 0.001-0.005 | - |
C10800 | 99.95Min | - | - | - | - | - | - | - | - | - | 0.005-0.012 | - |
C12000 | 99.90Min | - | - | - | - | - | - | - | - | - | 0.004-0.012 | - |
C12200 | 99.90Min | - | - | - | - | - | - | - | - | - | 0.015-0.040 | - |
C14200 | 99.40Min | - | - | - | - | - | - | - | 0.15-0.50 | - | 0.015-0.040 | - |
C19200 | 98.7Min | - | - | - | - | 0.8-1.2 | - | - | - | - | 0.01-0.04 | - |
C23000 | 84.0-86.0 | - | - | - | 0.05 | 0.05Max | Remainder | - | - | - | - | - |
C28000 | 59.0-63.0 | - | - | - | 0.3 | 0.07Max | Remainder | - | - | - | - | - |
C44300 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06Max | Remainder | - | 0.02-0.06 | - | - | - |
C44400 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06Max | Remainder | - | - | 0.02-0.10 | - | - |
C44500 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06Max | Remainder | - | - | - | 0.02-0.10 | - |
C60800 | Remainder | - | 5.0-6.5 | - | 0.1 | 0.10Max | - | - | 0.02-0.35 | - | - | - |
C61300 | Remainder | 0.20-0.50 | 6.0-7.5 | 0.15Max | 0.01 | 2.0-3.0 | 0.10Max | 0.20Max | - | - | 0.015Max | - |
C61400 | Remainder | - | 6.0-8.0 | - | 0.01 | 1.5-3.5 | 0.20Max | 1.0Max | - | - | - | - |
C68700 | 76.0-79.0 | - | 1.8-2.5 | - | 0.07 | 0.06Max | 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 | 0.05 | 1.0-1.8 | 1.0Max | 1.0Max | - | - | - | - |
C71000 | Remainder | - | - | 19.0-23.0 | 0.05 | 0.50-1.0 | 1.0Max | 1.0Max | - | - | - | - |
C71500 | Remainder | - | - | 29.0-33.0 | 0.05 | 0.40-1.0 | 1.0Max | 1.0Max | - | - | - | - |
C71640 | Remainder | - | - | 29.0-32.0 | 0.05 | 1.7-2.3 | 1.0Max | 1.5-2.5 | - | - | - | - |
C72200 | Remainder | - | - | 15.0-18.0 | 0.05 | 0.50-1.0 | 1.0Max | 1.0Max | - | - | - | 0.30-0.70 |
The products shall be produced by casting, extrusion, drawing, annealing, straightening and trimming, and shall be capable of being produced as seamless tubes under specified conditions. Copper and copper alloys shall be specifically supplied in any of the following states: annealed, lightly drawn, hard drawn or hard drawn and final annealed. Tubes for use in ferrule blanks shall be fully annealed to allow complete crystallization. Products should be tested for expansion, compression, and residual stress. Tensile and expansion requirements for the product are specified according to the tempering designation. Products shall also be tested for mercurous nitrate, ammonia vapor, eddy current, hydrostatic pressure and pneumatic tests.
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Top quality copper products
We have been producing and supplying quality metals for many years and are constantly striving to improve our production processes and product quality. We aim to be the world's leading supplier of metals and are constantly investing in advanced production facilities and technology, improving service quality and transportation solutions, and prioritizing customer satisfaction.
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