... d1.1 0-4 d2 chu la (0C) (0C.N) (0C.mm) R60 867 -1 ,9 -8 ,75 -1 23 -1 378 R90 1055 -2 ,2 -9 ,91 -1 54 -1 990 R120 1144 -2 ,2 -9 ,71 -1 66 -2 155 R60 1030 -2 ,6 -1 0,95 -1 81 -1 834 R90 1159 -2 ,5 -1 0,88 -2 08 -2 233 ... 1191 -2 50 -2 40 R90 1342 -2 56 R120 1387 R60 c3 c4 c5 (0C/0) (0C.mm) -5 ,01 1,04 -9 25 -2 35 -5 ,30 1,39 -1 267 -2 38 -2 27 -4 ,79 1,68 -1 326 1336 -2 42 -2 92 -6 ,11 1,63 -9 00 R90 1381 -2 40 -2 69 -5 ,46 2,24 -9 18 ... 6000C thỡ: Ca = 425 + 7,73.1 0-1 a - 1,6.1 0-3 a2 + 2,2.1 0-6 a3 (J/kgK) Khi 6000C a 7350C thỡ: Ca = 666 + 13002/(1-a) (J/kgK) Khi 7350C a 9000C thỡ: Ca = 545 + 17820/(a - 731) (J/kgK) Khi 9000C ...