Fisulae inconsutiles dividuntur in;
1. Maximum pressionem chemica stercorantis fistula: 10 20 16Mn GB6479-2000 ∮8-1240*1200 apta est ad chemicam
apparatu et pipelines cum operatione temperatus -40-400 C et operandi pressionem 10-32mpa
2. Conveying fluidum organum: 10#, 20# ASTM A106A, B, C, A53A, B16Mn& Lt;Q345A.BCDE>GB/T8163-2008
ASTM A106ASTM A53 ∮8-1240*1200 Idoneum ad transferendum fluidum generalem inconsutilem fistulam ferro
3. Generalis structura tube: 10#, 20#, 45#, 27SiMnASTM A53A,B16Mn< Q345A, B, C, D, E> GB/T8162-2008
GB/T17396-2009ASTM A53 8-1240*1200 apta ad generalem structuram, machinationem sustentationem, processui mechanicam, etc.
4. Oil Tubing : J55, K55, N80, L80C90, C95, P110 API SPEC 5CTISO11960 ∮60.23-508.00*4.24-16.13 Tubing
adhibetur ad extrahendum oleum vel naturalem gas ex oleo putei ac parietibus