GB/T 8890 — Seamless copper alloy tubes for heat exchangers
GB/T 8890 covers seamless copper-alloy heat-exchanger tubes, including copper-nickel BFe10-1-1 (90/10) and BFe30-1-1 (70/30).
GB/T 8890 at a glance
| Standard | GB/T 8890 |
|---|---|
| Issued by | China (SAC) |
| Product form | Pipe |
| Grades on this site | 2 |
GB/T 8890 grades and their ASTM equivalents
| GB/T designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| BFe10-1-1 (GB/T 8890) | Copper-Nickel 90/10 (UNS C70600) | C70600 | CW352H (2.0872) |
| BFe30-1-1 (GB/T 8890) | Copper-Nickel 70/30 (UNS C71500) | C71500 | CW354H (2.0882) |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
GB/T 8890: common questions
What is the ASTM equivalent of GB/T 8890 BFe10-1-1?
The nearest ASTM grades are Copper-Nickel 90/10 (UNS C70600).
Does Teshi Group supply material to GB/T 8890?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
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