astm a335 grade p-91seamless alloy pipe

Other Feature: alloy steel pipe   alloy pipe

we have professional and strictly producing control system on alloy steel pipe as below:

1>Before Formed pipe :  Assurance of compliance                                        

                                            Review of Sub-vendor ; quality plan ;

                                            Review of samples certification (MTC)

                                            Chemical analysis

                                            Tension &Mechanical tests

2>Formed pipe  :             NDT operator qualification

                                           Eddy current testing

                                           Ultrasonic tesing

3>Finished alloy steel pipe :             MT testing for Edge of Pipe(If Exist)

                                           Visual examination

                                           Thickness measurment (Continous Ultrasonic)

                                            Inside/Out Side/Lenght dimension control.

                                            Straightness

                                            Visual & Dimention check of edge

                                            Weight control

                                            Marking

                                            Material & NDT retest (if required)

4>Ready for delivery :       Protection coating

                                            Certificate of compliance

                                            Packing check

                                            Shiping mark and number check

              alloy steel pipe                              

Mill Test Certificate is supplied with shipment, Third Part Inspection is acceptable

Our product are export Southeast Asia, Mid East, Africa, Eastern Asia, Western Europe and So on.

alloy steel pipe

Processing of Alloy pipe

Testing of Alloy pipe