Global Marketing for Tube & Pipe                                                                                                                                                    www.TubeSolution.
com
                                   ISO 559-77 WELDED OR SEAMLESS STEEL TUBES FOR WATER SEWAGE AND GAS
1. Chemical Composition
                                                   Chemical Composition (%)
                   Grade           Mfg. Process
                                                   C           Si              Mn           P                S              Ni               Cr             Mo           Others
                   TSO             S               -           -                            0.060Max         0.060Max       -                -              -            -
                   TWO             W               -           -                            0.060Max         0.060Max       -                -              -            -
                   TS1             S               0.16Max     -               0.30~0.70    0.050Max         0.050Max       -                -              -            -
                   TW1             W               0.16Max     -               0.30~0.70    0.050Max         0.050Max       -                -              -            -
                   TS4             S               0.17Max     0.35Max         0.40~0.80    0.045Max         0.045Max       -                -              -            -
                   TW4             W               0.17Max     0.35Max         0.40~0.80    0.045Max         0.045Max       -                -              -            -
                   TS9             S               0.21Max     0.35Max         0.40~1.20    0.045Max         0.045Max       -                -              -            -
                   TW9             W               0.21Max     0.35Max         0.40~1.20    0.045Max         0.045Max       -                -              -            -
2. Mechanical Properties
                                                                    Tensile Test MPa or N/mm2                                      Remarks
                                       Grade
                                                                    Min Yield point                Tensile Strength                (Similar to JIS)
                                       TSO                          -                              320~520                         -
                                       TWO                          -                              320~520                         (SGP)
                                       TS1                          195                            320~440                         -
                                       TW1                          195                            320~440                         -
                                       TS4                          215                            360~480                         (STPG370)
                                       TW4                          215                            360~480                         (STPG370)
                                       TS9                          235                            410~530                         (STPG410)
                                       TW9                          235                            410~530                         (STPG410)
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
Global Marketing for Tube & Pipe                                                                                                                                                            www.TubeSolution.com
             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
JIS Number and Corresponding Foreign Standards
               JIS                            ASTM                        BS                            DIN                         NF                         ISO
                                                                                                                                                                                            Index
               Standard                       Standard                    Standard                      Standard                    Standard                   Standard
                          Grade      Type                Grade Type                  Grade      Type               Grade     Type              Grade    Type                Grade Type Number
               Number                         Number                      Number                        Number                      Number                     Number
                                     C        A135       Gr A     C       3601       ERW360     C       1626       St37.0    C      A49-112 TS27b       C      559          TS4         C
                                              A587       -        C       "          S360       C       1629       St37.0    C      A49-141 TS37a       C      2604/2       TS4         C
                          STPG370                                                                       17172      StE210.7 C       A49-142 TS37a       C      2604/3       TW4         C
                                                                                                                                                                                            C002
                          (STPG38)
                                                                                                                                    "          TS37b    C
               G3454                                                                                                                A49-150 TSE235 C
                                                                                                                                    A49-212 TS37c       C
                                                                                                                                    A49-242 TS37c       C
                                                                                                                                    A49-250 TAE24a C
                                                                                                                                    A49-400 TSE220 C
                                     C        A135       Gr B     C       3601       ERW410     C       1626       St44.0    C      A49-112 TS42b       C      559          TS9         C
                                              A524       -        C       "          S410       C                                   A49-141 TS42b       C      2604/2       TW9         C
                          STPG410
                          (STPG42)                                                                                                  A49-212 TS42c       C      2604/3       TW9         C
                                                                                                                                    A49-242 TS42c       C      3183         E24-1 C
                                                                                                                                    A49-250 TSE26b C           "            E24-2
                                                                                                                                    A49-400 TSE250 C