... 60 , 36*23 , 36*36 , 38*25 , 38*38 , 40*10 , 40*20 , 40*40 , 45*75 , 48*23 , 48*48 , ... 50*25 , 50*50 , 55*13 , 60*40 , ... 38,15*42,20*40,13*44,25*38,28*42,25*49,28*45,30*45,20*50,28*57,35*53,30 ... 18*33,23*31,15*41,17*45,33.6*24,19*38,25*35,25*45,25*50,20*58,30*60,40*75 ... ,34*80,20*100,40*96,50*110,31*120e) wall thickness : 0.25 ...