Cabon steel seamless tubes for boilers,condensers & Heat exchangers Standard Grade Chemical Composition Mechanlcal Property C Si Mn P≤ S≤ Cr Mo Ni T.S.Mpa(Mpa) Y.S.Mpa(Mpa) Elongation (%) ASTMA179 A179 0.06-0.18 ≤0.25 0.27-0.63 0.035 0.035 / ASTMA192 A192 0.06-0.18 ≤0.25 0.27-0.63 0.035 0.035 / ASTMA210 A-1 ≤0.27 ≥0.10 ≤0.93 0.035 0.035 / ≥415 ≥255 ≥30 C ≤0.35 ≥0.10 0.29-1.06 0.035 0.035 / ≥485 ≥275 ≥30 ASTMA213 T5 ≤0.15 ≤0.5 0.30-0.60 0.03 0.03 4.00-6.00 0.44-0.65 / ≥415 ≥205 T11 ≤0.15 0.50-1.00 0.30-0.60 0.03 0.03 1.00-1.50 0.44-0.65 / ≥415 ≥205 T12 0.05-0.15 0.5 0.30-0.61 0.045 0.045 0.80-1.25 0.44-0.65 / ≥415 ≥205 T22 0.15Max ≤0.5 0.30-0.60 0.03 0.033 1.90-2.65 0.87-1.13 / ≥415 ≥205 T91 0.08-0.12 0.20-0.50 0.30-0.60 0.020 0.010 8.00-9.50 0.85-1.05 0.4Max ≥580 ≥415 DIN17175 St35.8 ≤0.17 0.10-0.35 0.40-0.80 0.03 0.03 / / / 355-480 ≥235 ≥25 St45.8 ≤0.21 0.10-0.35 0.40-1.20 0.03 0.03 / / / 410-530 ≥245 ≥21 15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 0.03 0.03 / 0.25-0.35 / 460-600 ≥275 ≥20 EN10216-2 195GH ≤0.13 ≤0.35 ≤0.70 0.025 0.02 0.3 ≤0.08 / 320-440 ≥195 P235GH ≤0.16 ≤0.35 ≤0.20 0.025 0.02 0.3 ≤0.08 / 360-500 ≥235 P265GH ≤0.20 ≤0.40 ≤1.40 0.025 0.02 0.3 ≤0.08 / 410-570 ≥265 20MnNb6 ≤0.22 0.15-0.35 1.00-1.50 0.025 0.02 / / / 500-650 ≥355 16Mo3 0.12-0.2 ≤0.35 0.40-0.90 0.025 0.02 0.3 0.25-0.35 / 450-600 ≥280 DIN1629 St35.8/St37.5 ≤0.17 / / 0.04 0.04 / / 350-480 ≥235 ≥25 St52.0/St52.3 ≤0.22 ≤0.55 ≤0.17 0.04 0.035 / / 500-650 ≥270 ≥21 EN10216-1 P195TR1 ≤0.13 ≤0.35 ≤0.70 0.025 0.02 0.3 ≤0.08 320-440 ≥195 ≥27 P235TR1 ≤0.16 ≤0.35 ≤1.20 0.025 0.02 0.3 ≤0.08 360-500 ≥235 ≥25 P265TR1 ≤0.20 0.4 1.4 0.025 0.02 0.3 ≤0.08 410-570 ≥265 ≥23