8 15 18 22 65 91 90 93.66 54 76 60 93.66 25 37 40 50.8 – – – 26.99 – – – 50 – – – 16.67 7 7 10 10.72 10.76 18.8 23.07 28.39 – – – 7– 10 8.42 15.2 18.06 22.3 – ±0.75 – 24.00 ±0.75 – ±0.75 – 127.00 ±0.75 – ±0.75 – 63.50 ±0.75 – – – 0.30% 9# 11# 12# 90±2.0 110±2.0 120±2.0 76±2.0 90±2.0 90±2.0 8±0.6 9±0.6 11±0.6 22.54 33.18 39.12 17.69 26.05 31.18 16Mn 20Mnk 20Mnk 0.16- 0.20 0.21- 0.26 0.28- 0.37 0.30