GB/T8162 Seamless Carbon Steel Tube For Mechanical Structure

Instruction

GB/T8162 Seamless Carbon Steel Tube For Mechanical Structure

 

Material
The material used for GB/T8162 seamless carbon steel tubes for mechanical structure is carbon steel.

 

Specification
The specification for GB/T8162 seamless carbon steel tubes for mechanical structure is as follows:

Parameter	Value
Outer Diameter (mm)	6 - 1200
Wall Thickness (mm)	1 - 150
Length (mm)	3000 - 18000

 

Chemical Composition
The chemical composition of GB/T8162 seamless carbon steel tubes for mechanical structure is as follows:

Element	Composition Range (%)
Carbon (C)	0.22 - 0.28
Silicon (Si)	0.17 - 0.37
Manganese (Mn)	0.30 - 0.60
Phosphorus (P)	≤ 0.035
Sulfur (S)	≤ 0.035

 

Mechanical Properties
The mechanical properties of GB/T8162 seamless carbon steel tubes for mechanical structure are as follows:

Property	Value
Tensile Strength (MPa)	410 - 550
Yield Strength (MPa)	≥ 245
Elongation (%)	≥ 25
Impact Toughness (J/cm²)	≥ 39

 

Steel Grade
The steel grade used for GB/T8162 seamless carbon steel tubes for mechanical structure is 20#.

 

Application
GB/T8162 seamless carbon steel tubes for mechanical structure are widely used in various mechanical applications. Some of the common applications include:
• Machinery manufacturing
• Automobile industry
• Construction of mechanical structures
• General engineering purposes
These tubes provide excellent strength and durability, making them suitable for supporting heavy loads and withstanding mechanical stresses.