Global Marketing for Tube & Pipe                                                                                                                                                    www.TubeSolution.
com
                           ISO 65-81 CARBON STEEL TUBES SUITABLE FOR SCREWING IN ACCORDANCE WITH ISO 7/1
1. Chemical Composition
                                                      Chemical Composition (%)
                   Grade           Mfg. Process
                                                      C           Si             Mn          P               S              Ni                   Cr         Mo           Others
                   TS              S                  -           -              -           0.06Max         0.06Max        -                    -          -            -
                   TW              W                  -           -              -           0.06Max         0.06Max        -                    -          -            -
2. Mechanical Properties
                                                                        Tensile Test MPa or N/mm2                                        Remarks
                                           Grade
                                                                                                                                         (Similar to JIS)
                                                                        Min Yield point                Tensile Strength
                                           TS                           -                              320~520                           -
                                           TW                           -                              320~520                           (SGP)
JIS Number and Corresponding Foreign Standards
             JIS                                ASTM                             DIN                             NF                                   ISO
                                                                                                                                                                                    Index
             Standard                           Standard                         Standard                        Standard                             Standard
                           Grade       Type                  Grade     Type                 Grade        Type                   Grade         Type               Grade       Type   Number
             Number                             Number                           Number                          Number                               Number
             G3452         SGP         C        A53          Type F    C         1615       St 33-2      C       A49-145        TS34-1        C       65         TW          C      C001
                                                                                 2441       St33-2       C       A49-146        TS334-a       C       559        TWO         C