seamless steel pipe

1.       Function :for liquid converance,low&medium pressure soiler, for heat exchange .
2.       size:1/4-48
3.       length:5.8m. 6m. 12m. and so on ! or for customers request !
4.       material :10#.20#.
5.       steel grade :ST33, ST37.ST35.ST43.ST45
6.       Standard:ASTM.A53/A106,GR.B/GR.A.   DIN1626. DIN17175. DIN1629/4
7.       Outside: painted black or red . as customers request !