Spiral Pipe

We are offering Spiral Pipe. Standard: bs, jis, gb, din, astm grade: 20#, a53(a,b),a106(b,c),q235， quter diameter：159-3500mm application：oil pipe special pipe: api pipe welding line type: spiral welded standard: gb 3087-1999, gb/t 8162-1999, gb/t 8162-1999 thickness: 3-55mm place of origin: china technique: saw alloy or not: nin-alloy standard: asme,.astm grade : 10#45#,a53-a369,q195-q345 section shape: round secondary treatment: black painting welded line type: spiral grade: 10#, 20#, 45#, a53a, a53b specifications api 5l spiral pipe/tube o.d.:219mm-2850mm