API 5CT Gr.B 7 Inch Oil Well Casing Pipe For Drilling

api 5ct gr.b 7 inch oil well casing pipe for drilling

product name:api 5ct 7 inch oil well casing pipe for drilling

od20mm-820mm

wall thickness0.5mm-30mm

sch30, sch40, std, xs, sch80, sch160, xxs, etc.

lengthless than 12m

steel materialq195 → grade b, ss330,sphc, s185

q215 → grade c,cs type b,ss330, sphc

q235 → grade d,ss400,s235jr,s235jo,s235j2

q345 → ss500,st52

standardbs, en10296, bs, en10025, bs, en10297, bs6323, bsen10219, bsen10217,

gb/t13793-1992, gb/t14291-2006 gb/t3091-1993, gb/t3092-1993, gb3640-88

usageused for structure, accessorize and construction

ends1) plain

2) beveled

3) thread with coupling or cap

end protector1) plastic pipe cap 2) iron protector

surface treatment1) bared 2) black painted (varnish coating)

3) galvanized 4) with oiled

5) 3 pe, fbe, corrosion resistant coating

techniqueelectronic resistance welded (erw )

electronic fusion welded (efw)

double submerged arc welded (dsaw)

  type  welded pipe

  welded line type  longitudinal

  section shape  round

  inspection  with hydraulic testing, eddy current , infrared test