SA737Gr.B U-ring for boiler :
Shape:round
Material :various of metal
Processing scope:DI:450-1800mm
Dis:378-1500mm
thickness:4-20mm
produce acc. to your drawing or specification
Standard:JB/T1619-2002 DIN ASME
Forming method:hot mould pressing.
Testing:non- destructive testing:
(Ultrasonic Testing,Radiographic Testing, Magnetic Testing,Penetrant Testing)
carbon sulpur analysis instrument
non- contact type temperature measuring apparatus
WE-60type omnipotent testing macine
examine the thickness apperance
License:Manufacture license of special equipmentg people's republic of china(A3 HEAD)
Certificate of menbership of confederation of chinese metalforming industy
Quality management system certificate
Appearance treatment:sandy-blasting , acid pickling,antirust treatment,etc
Application:our products can be used in oil and gas industry, chemical plant, electric power, smelting water control.food machinery and ship building ,boiler heat exchanger,medical equipment,petroleum industry,aerospace industry
No cracks , delamination, inclusion ,and other defects