September 27, 2021
20 - 736.6 Mm ASTM A335/A335M P1 Seamless Steel Pipe For Industry
Production procedure: we have professional and strictly producing control system on :
Before Formed: Review of Sub-vendor ; quality plan ; samples certification (MTC)
Formed process:Chemical analysis , Tension &Mechanical tests / NDT operator qualification /
Eddy current testing / Ultrasonic testing
Finished:MT testing for Edge (If Exist) / Visual examination / Thickness measurement / Inside/
Out Side/Length dimension / Straightness / Visual & Dimension check of edge / Weight control /
Marking / Material & NDT retest(if required )
Ready for delivery:Protection coating / Certificate of compliance / Certificate of compliance /
Shipping mark and number check .
Package:Standard export carton packing.
Delivery time:stock-45 days after confirming order,detail delivery date should be decided according to production season and order quantity.