Boiler TubeSeamless Steel Tube and Pipe for Low / Medium Pressure Boiler

The seamless steel tube is mainly used in the low and medium pressure industrial boilers. Pressure is not over 3.9MPa.

Standards: GB/T3087-2008, ASTM A179, ASTM A192,BS3059

Materials: 10#, 20#

O.D.: 10-426mm
Wall thickness: 1.5-26mm
Length: Any length, Customized

The seamless pipe is excellent for making all kinds of steam pipes and boiling water tubes for low and medium pressure boilers as well as overheat steam tube, flue tube and arch tube for locomotive boiler.

Mechanical Properties
Boiler tube standard Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
GB3087 10 335-475 ≥195 ≥24
20 410-550 ≥245 ≥20
Chemical Compositions
Steel tube Standard Grade Compositions
C Si Mn P S Cr Mo Cu Ni V
GB3087 10 0.07-0.14 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.15 / ≤0.25 ≤0.25 /
20 0.17-0.24 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.25 / ≤0.25 ≤0.25 /

Production Capacity: 50,000 tons per year

Production Cycle, Packaging, Delivery
Production cycle of the boiler tubing is about two weeks. So in-time delivery can be guaranteed. Without special requirements, we provide bundling package or conduct export packing as required.

Raw Materials
The seamless steel tube is made of the superior steels from Tianjin Iron and Steel Co., Ltd. They result in reliable quality.

Production Process
Pipe billets inspection—Cutting of qualified billets—Heating—Hot piercing—Tube rolling—Stretch reducing—Cooling on cold bed—Straightening—Cutting—Eddy current testing—Manual surface testing—Packaging—Weighing and Putting in storage

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