Tongbao
Tongbao
Tongbao

Testing equipment

● Germany Zwick electronic material tensile testing machine

● American-made oxygen meter

● German-made roughness meter

● Fluorescence spectrometer made in Japan

 

　　Copper Cooling Wall Inspection Guarantee

● Whole billet ultrasonic flaw detection

● The surface of the blank shall be inspected by coloring flaw detection, and blanks with defects such as fine pores, sand holes, cracks and wrinkles shall not be allowed to enter the workshop.

● All weld coloring flaw detection, according to the GB4730-05 standards.

●Cooling channel pickling treatment.

● Single channel hydraulic test one by one, the test water pressure is 2.0Mpa, the pressure is guaranteed for 30min, no sweat, no water flow between channels is qualified.

● Flow resistance loss inspection, water test pressure 0.4Mpa. The flow rate is 18 T/h, the flow rate is 2.05 m/s, and the resistance loss of each pipeline ()P<= 1.2mWC is qualified.

● Welding hydraulic leakage test.

● Channel endoscope detection.

 

　　Product quality

● The materials used by Tongbao Company are all carefully selected. TU2 copper cooling stave material, according to the requirements of national standards, each furnace carries out overall analysis of 12 elements such as copper, oxygen and lead. The actual impurity composition is far lower than the provisions of national standards, even lower than the requirements of TU1 standards,

● Ensure product quality from the first link.