Lsaw Steel Pipe

we offer lsaw (longitudinal submerge-arc welded) uo(uoe)�rb(rbe)�jco(jcoe)
dsaw (double submerged arc welded)
quality standard:
lsaw, dsaw:
gbt3091 welded steel pipe for low pressure liquid delivery
gbt9711 petroleum and natural gas industries--steel pipe for pipelines
is: 3589 steel tubes for water and sewage
is : 1978-1982:steel tubes for use in transportation of oil; gas & petroleum products?
bs: 1387 steel tubes for use for water, gas, air and steam
astm a53 standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless
din 2458 welded steel pipes and tubes
en10217 welded steel tubes for pressure purposes. technical delivery conditions. non-alloy steel tubes with specified room temperature properties
api 5l lsaw line pipe
saw ssaw:
syt5037 spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
syt 5040 spiral submerged arc-welded steel pipe piles
cjt 3022 spiral submerged-arc welded steel pipe for municipal heat supply
is : 1978 steel tubes for use in transportation of oil; gas & petroleum products?
astm a252 weldedand seamless steel pipe piles
coating standard:
ansiawwa c104a21.4 american national standard for cement-mortar lining for ductile-iron pipe and fittings for water
iso 21809 petroleum and natural gas industries -- external coatings for buried or submerged pipelines used in pipeline transportation systems
din 30670 polyethylen coatings of steel pipes and fittings
steel grade:
bs:1387, en10217:s185, s235,s235jr, s235 g2h, s275, s275jr, s355jrh, s355j2h, st12, st13, st14, st33, st37, st44, st52
astm a 53: gr. a, gr b, gr c, gr.d
api 5l: a, b, x42, x46, x52, x56, x60, x65 x70
gbt9711: l175, l210, l245, l290, l320, l360, l290, l320, l360, l390, l415, l450, l485, l555
gbt3091, syt5037, syt 5040,cjt 3022:q195, q215, q235, q275, q295, q345, 08f, 08, 08al, 08f, 10f, 10, hg5, df08 sphc, m8.