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Mechanical structure pipe

Mechanical structural pipes are mainly used for various purposes such as mechanical processing, coal mining, hydraulic steel, etc.

Mechanical tube

                     Hot rolled,Honing,Precision

Mechanical pipes can be delivered in hot rolled state, or processed into honing, cold rolling precision according to customer needs, and delivered through Q+T or normalizing heat treatment. Hot rolled seamless steel pipes are used in the mechanical processing industry, automotive axles, building structures, and other applications.

Hot rolled seamless Mechanical structure tube


Product Name


Execution standardsSteel gradeDesignation of DiameterWall ThicknessUsage

Mechanical tube

GB/T8162


20

Q345

15CrMo

20CrMo、25Mn

27SiMn


60.3mm - 508.2mm

4.0-120mm


JIS G3441


SCM415TK

SCM420TK

SCM430TK

SCM435TK

SCM440TK


60.3mm - 426mm

4.0-50mm


※   Mechanical pipes are widely used in the manufacturing of automobiles, construction machinery, excavators, bulldozers, oil cylinders and other accessories processing, as well as other building structures and other applications.

Cold drawn Mechanical Structure Seamless tube



Product Name


Execution standardsSteel gradeDesignation of DiameterWall ThicknessUsage

Cold drawn tube


GB/T8162


20

Q345

15CrMo

20CrMo

25Mn

27SiMn

SRA630


10.5mm - 508.2mm

4.0-120mm


JIS G3441


SCM415TK

SCM420TK

SCM430TK

SCM435TK

SCM440TK


60.3mm - 426mm

4.0-50mm



ASTM A519


4120

4140

60.3mm - 426mm4.0-50mm
ASTM A372
60.3mm - 426mm4.0-50mm


JIS G3445


STKM11A-17C60.3mm - 426mm4.0-50mm

※ Mechanical pipes are widely used in the manufacturing of automobiles, construction machinery, excavators, bulldozers, oil cylinders and other accessories processing, as well as other building structures and other applications.

Cold rolled precision pipes
Product Name


Execution standards


Steel gradeDesignation of DiameterWall ThicknessUsage

Honing tube


GB/T8162


20

Q345

15CrMo

20CrMo

25Mn

27SiMn

SRA630


10.5mm - 508.2mm

4.0-120mm


JIS G3441


SCM415TK

SCM420TK

SCM430TK

SCM435TK

SCM440TK


60.3mm - 426mm

4.0-50mm



ASTM A519


4120

4140

60.3mm - 426mm4.0-50mm
ASTM A372
60.3mm - 426mm4.0-50mm


JIS G3445


STKM11A-17C60.3mm - 426mm4.0-50mm

※   Mechanical pipes are widely used in the manufacturing of automobiles, construction machinery, excavators, bulldozers, oil cylinders and other accessories processing, as well as other building structures and other applications.

Seamless Honing tube



Product Name


Execution standardsSteel gradeDesignation of DiameterWall ThicknessUsage

Cold drawn tube


GB/T8162


20

Q345

15CrMo

20CrMo

25Mn

27SiMn

SRA630


10.5mm - 508.2mm

4.0-120mm


JIS G3441


SCM415TK

SCM420TK

SCM430TK

SCM435TK

SCM440TK


60.3mm - 426mm

4.0-50mm



ASTM A519


4120

4140

60.3mm - 426mm4.0-50mm
ASTM A372
60.3mm - 426mm4.0-50mm


JIS G3445


STKM11A-17C60.3mm - 426mm4.0-50mm

※ Mechanical pipes are widely used in the manufacturing of automobiles, construction machinery, excavators, bulldozers, oil cylinders and other accessories processing, as well as other building structures and other applications.