GB3087 Q235 Cold Drawn Seamless Steel Tubes For Low And Medium Pressure Boilers

Instruction

GB3087 Q235 Cold Drawn Seamless Steel Tubes For Low And Medium Pressure Boilers

 

Introduction: GB3087 Q235 Cold Drawn Seamless Steel Tubes are specifically designed for low and medium pressure boilers. These seamless steel tubes are manufactured according to the Chinese national standard GB3087, which specifies the technical requirements for seamless carbon steel tubes used in boiler and heat exchanger applications.

 

Specifications and Chemical Composition
The GB3087 Q235 Cold Drawn Seamless Steel Tubes have the following specifications and chemical composition:

 

Specifications
• Standard: GB3087
• Material: Q235 carbon steel
• Manufacturing Method: Cold drawn
• Outer Diameter: As per standard requirements
• Wall Thickness: As per standard requirements
• Length: Customizable

 

Chemical Composition

Element	Chemical Composition (% by weight)
Carbon (C)	0.12-0.20
Silicon (Si)	0.30 max
Manganese (Mn)	0.30-0.70
Phosphorus (P)	0.045 max
Sulfur (S)	0.045 max

 

Mechanical Properties and Steel Grade
The GB3087 Q235 Cold Drawn Seamless Steel Tubes exhibit the following mechanical properties:

 

Mechanical Properties

Property	Value
Tensile Strength	375-500 MPa
Yield Strength	235 MPa (minimum)
Elongation	25% (minimum)
Hardness	HRB 60-80 (Rockwell hardness)

 

Steel Grade
• Q235

 

Application

The GB3087 Q235 Cold Drawn Seamless Steel Tubes are widely used in low and medium pressure boilers. They find applications in the following areas:

Boiler Systems: These seamless steel tubes are utilized for conveying fluids, such as water, steam, and oil, in low and medium pressure boiler systems.

Heat Exchangers: The tubes are also employed in heat exchangers, where they facilitate the exchange of heat between fluids.

Condensers: GB3087 Q235 tubes are suitable for use in condensers, where they help in the cooling and condensation processes.

Similar Applications: These tubes can be used in various other applications requiring high strength, good formability, and reliable performance under elevated temperatures.
The GB3087 Q235 Cold Drawn Seamless Steel Tubes offer several advantages, including high quality, good mechanical properties, excellent surface finish, dimensional accuracy, and wide availability. These attributes make them a preferred choice for low and medium pressure boiler applications.