Spiral Welding Carbon Steel Pipes

We are offering spiral welding carbon steel pipes / api5l oil pipes oil gas water. Projectsouter diameter(o.d) 219mm-3620mm(8"-144")
wall thickness(w.t) 6mm-30mm
length 5.8m-12m
end bevelded end/plain end
standard api 5l psl1, api 5c, astm a53, astm a106,astm a283,astm a210,astm a500, astm a795
gb/t977.1-1997, gb/t3091-200, sy/t5037-2000, sy/t5040-92
en10255, en10219, en10217, en39
din21626, din440/2444
jisg3444, jisg3454
bs1139, bs1387
iso3183, iso011960
gsot-535
material(steel grade) api 5l /a53(a,b) /awwa grb/ a252gr1 gr2 gr3/q235b/q345b/x42-x70 etc.
surface treatment "painting, oil coating, anti-corrosion & insulation
external: 3pe, fbe, 3pp, black or varnish painting etc.
internal: epoxy coating, cement plaster or according to customers' requirement"
test 100% x-ray inspection, hydraulic pressure test, ultrasonic inspection
third party inspection sgs, bv, lloyds etc.
application "-piling project
-heat-supply project
-conveying drinking water,drainage,gas,mine slurry and other low & middle pressure fluids
-petroleum and natural gas pipeline
-chemistry industry
-electric power engineering circulating pipe"
certification api 5l psl1, psl2, api 5ct, iso, ce
packing bundle, seaworthy packing, export standard packing
payment terms 30% depoist, balance before delivery or lc at sight
delivery time 20-30days after deposit in place.