High Pressure Seamless Boiler Tubes , Hot Rolled Seamless Steel
Pipe In Petroleum
Steel Pipe Type
Steel Pipe Size
Hot Rolled seamless
SA106B 20G high pressure boiler tube pipe Use Classification:
Medium and low pressure boiler tube
High pressure boiler tube
1 HEAT TREATMENT
hot treatment: hot-finished tubes need not to be heat treated,cold
finished tubes shall be heat treated after the finial
cold-finishing at a temperature of 1200 F (650C) or higher
2 HARDNESS REQUIREMENTS
the tubes shall have a hardness number not exceeding the following:
tubes 0.2“ (5.1mm) and over in wall thickness 137HB
tubes less than 0.2" (5.1mm) in wall thickness 77HRB
3 MECHANICAL TESTS REQUIRED
A. Flattening Test
B. Flaring Test
D. Hydrostatic Test
Packing: tubes will be packed in bundles tied with steel strips.
Oil coating,varnish,or black painting to be confirmed.
End plastic caps to be confirmed.
External packing by knit bags.
Marking: to be confirmed.
Payment: 30% deposit,balance before shipment or against copy of B/L
or L/C at sight.
MOQ: 5 tons for each size.
Warranty: 1 years after shipment of tubes.
Used in industries as chemical engineering, petroleum, medicine, food, energy, nuclear power, aerospace,
environmental protection, boiler, gas, war industry, machinery, ship building and so on.
Our factory is near to raw material market and high-speed way, the producing cost is low.
Our factory have long history for producing seamless boiler tubes, both producing and testing machine
is advanced and perfect.
We always cooperate with famous project and companies.
Seamless Boiler Tubes