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Chemical Composition
                            Specification  Grade       C%        Mn%       P%  max   S%  max

                            IS 2830/2012  C15 MMn      0.12-0.18  0.60-1.00
                                         C18 MMn       0.15-0.21  0.60-1.00
                                         C20 MMn       0.17-0.23  0.60-1.00

                                         C15 HMn       0.12-0.18  1.00-1.80
                                         C18 HMn       0.15-0.21  1.00-1.80
                                         C20 HMn       0.17-0.23  1.00-1.80
                                         C25 HMn       0.3 max   1.8 max
                            IS 2831/2012  C8           0.15 max  0.30-0.60  0.055    0.055
                                         C15           0.12-0.18  0.30-0.60  0.055   0.055
                                         C22           0.25 max  1.25 max  0.075     0.060
                            SAE 1070                   0.65-0.75  0.60-0.90  0.040   0.045
                            EN 8                       0.35-0.45  0.60-1.00  0.06    0.06
                            EN 9                       0.50-0.60  0.50-0.80  0.06    0.06
                            SAIL Tower   Grade 1       0.12-0.17  0.8-1.2  0.045     0.045
                                         Grade 2       0.15-0.20  1.0-1.5  0.045     0.045

                                         Grade 3       0.18-0.22  1.0-1.5  0.045     0.045
                                         Grade 4       0.16-0.20  1.2-1.5  0.045     0.045
                                         Grade 5       0.18-0.22  1.2-1.5  0.045     0.045
                                         Grade 6 (DSP)  0.16-0.20  1.2-1.4  0.045    0.045
                            SAILMA         350 HI     0.20 max   1.50 max  0.04      0.04 *
                            20Mn Cr5                  0.17-0.22  1.1-1.4   0.035
                                                      Cr 1.00-1.30
                            Spring Steel   55 Si 7    0.50-0.60  0.80-1.00  0.04     0.04
                                                      (Si:1.5-2.0)
                                           60Si7      0.55-0.65  0.80-1.00  0.040    0.040
                                                      (Si:1.5-2.0)
                                           SUP 9      0.52-0.60  0.65-0.95  0.035    0.035
                                                      Si: 0.15-0.35, Cr: 0.65-0.95, Cu+Ni: 0.3 max
                                           SUP 11A    0.56-0.64  0.7-1.0   0.035     0.035
                                                      Si 0.15-0.35, Cr 0.7-1.0, B 0.0005 min, Cu+Ni: 0.3 max
                            High Carbon    SAE 1040   0.35-0.85  0.6-0.9   0.035     0.035
                           * will be supplied only on the basis of chemical analysis in case of Semis

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