
Seamless Black Pipe
The seamless black pipe is made by stamping a whole round steel bar. The pipe without weld seams on its surface is called a seamless steel pipe. It is made by stamping a whole round steel bar. The pipe without weld seams is called a seamless steel pipe. It is a specification identifier of seamless steel pipes, indicating the wall thickness.

The seamless black pipe is made by stamping a whole round steel bar. The pipe without weld seams on its surface is called a seamless steel pipe. It is made by stamping a whole round steel bar. The pipe without weld seams is called a seamless steel pipe. It is a specification identifier of seamless steel pipes, indicating the wall thickness.
Product Classification
Production Methods
Hot-rolled seamless steel pipe
Cold-rolled seamless steel pipe
Cold-drawn seamless steel pipe
Applications
Thick-walled seamless steel pipe
Thin-walled seamless steel pipe
Seamless black pipe is mainly used as drilling pipes for petroleum geological exploration, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, aviation, etc.

|
Standard |
API A106 GR.B A53 Gr.B seamless steel pipe / ASTM A106 Gr.B A53 Gr.B steel tube |
|
Material |
API5L,Gr.A&B, X42, X46, X52, X56, X60, X65, X70, X80,SCH40 |
|
Application |
Architecture, industry, fluid pipelines, boiler pipelines |
|
Alloy or Not |
Not |
|
Thickness |
1.73mm-30.96mm |
|
Length |
5.8m-2m |
|
Surface Treatment |
Black Painted, Galvanized, Natural |

Product Features
- High strength: The pipe wall is thicker and can bear relatively large pressure.
- Corrosion resistance: The steel quality of seamless steel pipe is relatively good and can be preserved intact under harsh conditions for a long time
- High precision: It has high requirements for production quality and can be well applied to high-precision instrument operations.
- Wide application fields: It is not only widely used in petroleum, chemical, heating, shipbuilding and other fields, but also can transport various difficult-to-preserve media including liquids, gases and solids.
FAQ
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