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