Standard SPECIFICATIONS

JIS G3444,3445,3441.pdf

       Carbon Steel Tubes for General Structural Purposes

       Carbon Steel Tubes for Machine Structural Purposes   

       Alloy Steel Tubes for Machine Structural Purposes

JIS　G3454,3455,3456,3461.pdf

       Carbon Steel Pipes for Pressure Service

       Carbon Steel Pipes for High Pressure Service

       Carbon Steel Pipes for High Temperature Service

       Carbon Steel Boiler and Heat Exchanger Tubes

JIS G3473.pdf

       Carbon Steel Tubes for Cylinder Barrels

OTHER SPECIFICATIONS

       �@　Carbon Steel Precision Tube for Hydraulic Line Service

            (Japan Oil Hydraulic Industry Association Standard,OST-2)

       �A　Foreign Specifications

       �B　Honed Tubes

       �C　Stainless Tubes (For stainless,our part is a distributors.)