1 3 8 10 12 15 17 18 20 21 22 23 24 26 Y-B Y-M Y-M YPF YXC YXC YTZ-150 YN YN-B YE-100B YE-100 150 YT YA-100 150 Y YSG-2.3 Y-B ( ) MPa Y-100B Y-150B Y-103B Y-153B 0~0.6 1 1.6 2.5 4 6 10 16 25 40 60 -0.1~0.5 0.9 1.5 2.4 0~0.1 0.16 0.25 0.4 0.6 1 1.6 2.5 4 6 10 16 25 40 60 -0.1~0 0.06 0.15 0.3 0.5 0.9 1.5 2.4 2.5 1.5 :5-55 ( ); -25~55 ( ); -40-70 ( ) : 0.4 10 ( 20 5 :V H 3( ); V H