1) Seamless Condenser and Heat-exchangers tube series: Admiralty brass tube (Hsn 70- 1/C44300/CUZn28Sn1AS) and Aluminum brass tube(HAI 77-2/C687000/CuZn20Al2As) etc.
2) Seamless copper-nickel alloy tubes for condenser and Heat-exchangers tube series: BFe 10-1-1/C706000/CuNi10Fe1Mn, BFe 30-1-1/C71500/CuNi30Mn1Fe and other copper-nickel alloy tubes;
3) Seamless Brass tube and Arsenical brass tube series: C26130, C26000, C27000, C27200, C28000 and other copper-nickel alloy tubes are widely used in sanitary ware, antenna, decoration, sationery, copper standard compontent, etc
4) Copper pipe and tube series: T2/C 11000/C102. TP2/C12200/C106 and other copper tubes.
Also can supply SB 111 C 715, SB 111 C706 etc.
5) OD; 5-80mm
6) WT: 0.5-10mm
7)Test: Automatic Eddy Current Testing, Hydrostatic, Air Pressure test, Hardness testing, Grain size testing, Universal Material Test.
A part that performs well in a standard lab may still fail after launch. Vacuum, sharp temperature changes, and long exposure to extreme conditions can affect electronics, coatings, structures, and materials in ways that ordinary testing cannot fully show.
A satellite can leave the assembly floor looking complete, clean, and fully integrated, yet that still does not tell engineers how it will behave once air is removed and real thermal stress begins.
The value of a test system is not defined by chamber size alone. It depends on how precisely it can reproduce the conditions that space hardware is expected to face and how steadily those conditions can be maintained during a test.
A test chamber that looks advanced on paper can still become a costly mismatch if it does not fit the real work of the lab.
Reliable testing begins before the next cycle starts. In many cases, inaccurate results come from poor chamber condition rather than poor engineering, which is why a Space Environment Simulator needs disciplined maintenance between runs as well as during long-term use.
Spiral fin tubes are a specialized type of heat exchanger tube designed to enhance heat transfer efficiency. Unlike traditional straight fin tubes, which have fins arranged parallel to the tube surface, spiral fin tubes feature helical or spiral-shaped fins wrapped around the tube.





