STEEL

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					Classification by mechanical properties

    Symbol                               Chemical Composition(%)
 Kinds of SAE                                                                       JIS
                     C       Si     Mn         P         S       Ni    Cr   Mo Pb
  Steel    No
                          0.15- 0.30-
           1010 0.08-0.13                   0.030.max 0.035max     -   -    -   -   S10C
                          0.35 0.60
                          0.15- 0.30-
           1015 0.13-0.18                   0.030.max 0.035max     -   -    -   -   S15C
                          0.35 0.60
                          0.15- 0.30-
           1018 0.15-0.20                   0.030.max 0.035max     -   -    -   -   S18C
                          0.35 0.60
                   0.18- 0.15- 0.30-
           1020                      0.030.max 0.035max -              -    -   -   S20C
                   0.23 0.35 0.60
                            0.15-   0.30-
           1022 0.20-0.25                   0.030.max 0.035max     -   -    -   -   S22C
                            0.35    0.60
                            0.15-   0.30-
           1025 0.22-0.28                   0.030.max 0.035max     -   -    -   -   S25C
                            0.35    0.60
                            0.15-   0.60-
 Carbon    1035 0.32-0.38                   0.030.max 0.035max     -   -    -   -   S35C
                            0.35    0.90
  steel                     0.15-   0.60-
           1038 0.35-0.41                   0.030.max 0.035max     -   -    -   -   S38C
                            0.35    0.90
                            0.15-   0.60-
           1040 0.37-0.43                   0.030.max 0.035max     -   -    -   -   S40C
                            0.35    0.90
                            0.15-   0.60-
           1045 0.42-0.48                   0.030.max 0.035max     -   -    -   -   S45C
                            0.35    0.90
                            0.15-   0.60-
           1049 0.45-0.51                   0.030.max 0.035max     -   -    -   -   S48C
                            0.35    0.90
                            0.15-   0.60-
           1050 0.48-0.53                   0.030.max 0.035max     -   -    -   -   S50C
                            0.35    0.90
                            0.15-   0.60-
           1055 0.52-0.58                   0.030.max 0.035max     -   -    -   -   S55C
                            0.35    0.90
                            0.15-   0.60-
           1060 0.55-0.65                   0.030.max 0.035max     -   -    -   -   S58C
                            0.35    0.90
                         0.15- 1.00-
          1117 0.14-0.20                 0.040.max 0.08-0.13     -      -       -     -   SUM31
                         0.35 1.30
                         0.15- 1.35-
          1144 0.40-0.48                 0.040.max 0.24-0.33     -      -       -     -   SUM43
                         0.35 1.65
                           0.15- 0.70-
   Free   1213 0.13max                 0.07-0.12 0.24-0.33 -            -       -     - SUM22
  cutting                0.35    1.00
   steel 12L14 0.15max   0.15-   0.85-                                            0.10-
                                         0.04-0.09   0.26-0.35   -      -       -       SUM24L
                         0.35    1.15                                             0.35
                         0.15-   0.30-                                            0.10-
            - 0.22-0.28                  0.030.max 0.035max      -      -       -        S25CL
                         0.35    0.60                                             0.35
                         0.15-   0.60-                                            0.10-
            - 0.42-0.48                  0.030.max 0.035max      -      -       -        S45CL
                         0.35    0.90                                             0.35
                         0.15-   1.20-
            - 0.30-0.36                  0.030.max 0.030.max     -   0.35max -        -   SMn433
Manganese                0.35    1.50
   Steel                 0.15-   1.35-
          1541 0.40-0.46                 0.030.max 0.030.max     -   0.35max -        -   SMn443
                         0.35    1.65
                         0.15-   0.60-                                0.90-   0.15-
            - 0.13-0.18                  0.030.max 0.030.max     -                    -   SCM415
                         0.35    0.85                                 1.20    0.30
                         0.15-   0.60-                                0.90-   0.15-
            - 0.18-0.23                  0.030.max 0.030.max     -                    -   SCM420
Chromium                 0.35    0.85                                 1.20    0.30
 - moly -                0.15-   0.60-                                0.90-   0.15-
          4135 0.33-0.38                 0.030.max 0.030.max     -                    -   SCM435
 bdenum                  0.35    0.85                                 1.20    0.30
   steel                 0.15-   0.70-                                0.90-   0.15-
          4137 0.35-0.40                 0.030.max 0.030.max     -                    -     -
                         0.35    0.90                                 1.20    0.30
                         0.15-   0.60-                                0.90-   0.15-
          4140 0.38-0.43                 0.030.max 0.030.max     -                    -   SCM440
                         0.35    0.85                                 1.20    0.30
                         0.15-   0.60-                                0.90-
          5115 0.13-0.18                 0.030.max 0.030.max     -              -     -   SCr415
                         0.35    0.85                                 1.20
                         0.15-   0.60-                                0.90-
 Chrome 5120 0.18-0.23 0.35      0.85
                                         0.030.max 0.030.max     -
                                                                      1.20
                                                                                -     -   SCr420
   Steel                 0.15-   0.60-                                0.90-
          5130 0.28-0.33                 0.030.max 0.030.max     -              -     -   SCr430
                         0.35    0.85                                 1.20
          5135 0.33-0.38 0.15-   0.60-   0.030.max 0.030.max     -    0.90-     -     -   SCr435
                              0.35   0.85                         1.20
                          0.15- 0.60-                              0.90-
             5140 0.38-0.43            0.030.max 0.030.max -               -    -   SCr440
                          0.35 0.85                                1.20
                          1.00                            8.00-   17.00- 0.60
              -   0.15max      2.00max 0.20max 0.15max                          -   SUS303
  Stainess                max                             10.00   19.00 max
   Steel                  1.00                            8.00-   08.00-
              -   0.08max      2.00max 0.0045max 0.030max                  -    -   SUS304
                          max                             10.50   20.00
   High
  Carbon                  0.15-                                   1.30-
          52100 0.95-1.10       0.50max 0.025max 0.025max    -            -     -   SUJ 2
  Bearing                 0.35                                    1.60
   Steel




Hello sir,

In our drawing material mentioned SUM22
You’re requesting S20c

Please refer the chart, Here SUM22 having carbon 0.13 Max,
But S20c having carbon 0.18~0.24

Please conform which one is our Exact suitable Material

				
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posted:8/24/2012
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Description: FASTENER DESIGN MANUAL