42 inch seamless steel pipe

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we have professional and strictly producing control system as below:

Before Formed pipe : Assurance of compliance

Review of Sub-vendor ; quality plan ;

Review of samples certification (MTC)

Chemical analysis

Tension &Mechanical tests

Formed pipe : NDT operator qualification

Eddy current testing

Ultrasonic testing

Finished 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)

Ready for delivery : Protection coating

Certificate of compliance

Packing check

Shiping mark and number check

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.

Last Update Time:2016-08-09

Seamless Steel Pipe mills, volume should go through continuous annealing (CAPL unit) to eliminate cold hardening and rolling stress, or batch annealing reach the 42 inch seamless steel pipe mechanical properties of the corresponding standard specifies. Seamless Steel Pipe surface quality, appearance, dimensional accuracy 42 inch seamless steel pipe better than hot-rolled plate, and right-rolled thin product thickness is about 0.18mm, so the majority of users favor.
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Seamless Steel Pipe deep processing of high value-added products. Such as electro-galvanized, hot dip galvanized, electro-galvanized fingerprint resistant, painted steel roll damping composite steel, 42 inch seamless steel pipe laminating steel plates, etc, so that the excellent quality of these products has a beautiful, high resistance to corrosion, has been widely used.