Inert gases such as nitrogen, argon, etc. are injected into the molten metal through fluxing tubes for dehydrogenation.
Properties:
1)High strength,hige hardness.
2)Good heat-resistance,low porosity.
3)Anti-abrasion,anti-scour.
4)Antioxidation,non-infiltrantion.
Grades:
Regular tubes.
Treated tubes with oxidation retardant.
Typical Sizes:
Outer diameter (mm): 50, 75, 100, 150.
Inner diameter (mm): 12, 15, 18.
Length (mm): 1200 — 2000.
Or as per request.