Coil Copper Tube for Water Heating Pipe Condenser Evaporator

Copper tubes can be scanned using various non-destructive testing (NDT) methods to evaluate their internal and external surfaces for defects such as cracks, corrosion, or leaks. Common NDT methods for copper tubes include ultrasonic testing (UT), eddy current testing (ECT), and X-ray inspection. These techniques allow inspectors to detect irregularities in the tubes without damaging them, which can help prevent costly failures and ensure product quality. UT uses high-frequency sound waves to penetrate the tube walls and identify changes in material density, while ECT detects variations in the tube's electrical conductivity. X-ray inspection uses high-energy radiation to produce images of the tube's interior and can identify internal defects such as voids and inclusions.

Shandong Zehao Metal Materials Co., Ltd. is an enterprise engaged in the research, smelting and processing of titanium and its alloys, zirconium and its alloys, tungsten, molybdenum, monel, Inconel, chromium nickel alloys, nickel and other high-temperature alloys and corrosion-resistant alloys. The products cover plates, strips, profiles, bars, wires, pipes, pipe fittings, forged flanges, etc. The factory covers an area of 120000 square meters. Now it has a series of production equipment, including 2t vacuum induction furnace imported from the United States, 8t and 12t vacuum consumable arc furnaces made in Germany, 2800mm four high reversing mill, vacuum annealing furnace, etc. It can produce 2.6m * 16m plates, and the maximum length of a single pipe can reach 15m. At the same time, it has more than 100 sets of various testing instruments, including American NDT system, spectrum analyzer, carbon and sulfur analyzer, universal testing machine, ultrasonic flaw detection system, fatigue testing machine, etc. The company has more than ten years of export experience, and its products are exported to the United States, Britain, Germany, Russia, France, Brazil, Japan, South Korea, India, Vietnam, Australia, the Philippines, Zambia, Indonesia and other countries all year round Looking forward to cooperate with the new and old customers sincerely.

Q: How about the MOQ? If my first order qty is small, will you accept? 
A: We would like to do our best to support your trial order qty, so even 1 pc or 1 kg is ok to start cooperation; because we have confidence to move on second order with your esteemed company.  
Q: What is your payment terms ? 
A: Commonly two payment term for new customers: 1) 30% T/T as deposit , 70% balance against B/L copy; 2) 100% Irrevocable L/C at sight;If you need any other terms, pls feel free to contact us too, we will try our best.  
Q: How long is your delivery time? 
A: Our daily inventory is more than 2000 tons, so for common product size, just need 5 days from stocks; if the special size from new production, delivery 7 days.  
Q: How about the samples ? is it free or extra fees? 
A: Yes, we would like to supply the samples before order; if the samples from stock, it will be free; if the samples from new
production, we will charge some reasonable cost, but this amount will be deducted from your first order invoice.  
Q: How to control and guarantee your shipment quality? 
A: 1) All our factories are ISO9001, CE certified facility; 2)Ex factory
inspection by our own laboratory. 3) SGS/BV Third party inspection before delivery.