15-1220mm(1/2 inch-48 inch)
usually 4-12 m,or according to the clients requirements
API5L: GRB, X42, X46, X56, X60, X70 ASTMA53: GRA, GRB, GRC EN: S275, S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L355
BS 1387,BS1139,EN39,EN10219,ASTM A53,API 5L,GB/T3091
epoxy coating, 3pe, vanish coating, bitumen coating, black coating or as per customer's requirements
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties( Flattening Test, Bending Test, Blow Test, Impact Test), Exterior inspection, Hydrostatic Test, X-ray Test, X-ray Test.
Plain end, beveled end, threading with coupling and cap, grooving
ERW,Hot Rolled, Cold Rolled
greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas, mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.
plain ends pipe,cutting threading, beveled, 3PE steel pipe, black and color painting, anti-rusting oilsteel pipe, varnish paintingsteel pipe, zinc-coating steel pipe, steel stamp, drilling, diameter reducing pipe etc.
Maximum load weight
(black pipe examination) →(acid washing) →(water washing) →(solventcoating)→(lining)→(drying)→(passivation)→(examination) →(water cooling) →(insideblasting) →(outsideblasting) →(galvanizing) →(proceed cleaning) →(drying) →(printing) →(sprinkling passivation) →(packing) →(final examination storage).