公称 外径 /mm | 公称壁厚/mm | ||||||||||||||
2.0 | 2.5 | 2.8 | 3.0 | 3.2 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | (6.5) | 7.0 | (7.5) | 8.0 | |
理论质量/(kg/m) | |||||||||||||||
22 | 0.986 | 1.20 | 1.33 | 1.41 | 1.48 | | | | | | | | | | |
25 | 1.13 | 1.39 | 1.53 | 1.63 | 1.72 | 1.86 | | | | | | | | | |
28 | | 1.57 | 1.74 | 1.85 | 1.96 | 2.11 | | | | | | | | | |
32 | | | 2.02 | 2.15 | 2,27 | 2.46 | 2.76 | 3.05 | 3.33 | | | | | | |
38 | | | 2.43 | 2.59 | 2.75 | 2.98 | 3.35 | 3.72 | 4.07 | 4.41 | | | | | |
42 | | | 2.71 | 2.89 | 3.06 | 3.32 | 3.75 | 4.16 | 4.56 | 4.95 | 5.33 | | | | |
48 | | | 3.12 | 3.33 | 3.54 | 3.84 | 4.34 | 4.83 | 5.30 | 5.76 | 6.21 | 6.65 | 7.08 | | |
51 | | | 3.33 | 3.55 | 3.77 | 4.10 | 4.64 | 5.16 | 5.67 | 6.17 | 6.66 | 7.13 | 7.60 | 8.05 | 8.48 |
57 | | | | | | 4.62 | 5.23 | 5.83 | 6.41 | 6.98 | 7.55 | 8.09 | 8.63 | 9.16 | 9.67 |
60 | | | | | | 4.88 | 5.52 | 6.16 | 6.78 | 7.39 | 7.99 | 8.58 | 9.15 | 9.71 | 10.26 |
76 | | | | | | 6.26 | 7.10 | 7.93 | 8.75 | 9.56 | 10.36 | 11.14 | 11.91 | 12.67 | 13.42 |
83 | | | | | | | 7.79 | 8.71 | 9.62 | 10,51 | 11.39 | 12.26 | 13.12 | 13.96 | 14.80 |
89 | | | | | | | 8.38 | 9.38 | 10.36 | 11.33 | 12.28 | 13.22 | 14.15 | 15.07 | 15.98 |
102 | | | | | | | | 10.82 | 11.96 | 13.09 | 14.20 | 15.31 | 16.40 | 17.48 | 18.54 |
108 | | | | | | | | 11.49 | 12.70 | 13.90 | 15.09 | 16.27 | 17.43 | 18.59 | 19.73 |
114 | | | | | | | | | 13.44 | 14.72 | 15.98 | 17.23 | 18.47 | 19.70 | 20.91 |
121 | | | | | | | | | 14.30 | 15.67 | 17.02 | 18.35 | 19.68 | 20.99 | 22.29 |
133 | | | | | | | | | 15.78 | 17.29 | 18.79 | 20.28 | 21.75 | 23.21 | 24.66 |
146 | | | | | | | | | | | 20.71 | 22.36 | 23.99 | 25.62 | 27.22 |
159 | | | | | | | | | | | 22.64 | 24.44 | 26.24 | 28.02 | 29.79 |
168 | | | | | | | | | | | | 25.89 | 27.79 | 29.68 | 31.56 |
194 | | | | | | | | | | | | | 32.28 | 34.49 | 36.69 |
219 | | | | | | | | | | | | | | 39.12 | 41.63 |
245 | | | | | | | | | | | | | | | |
273 | | | | | | | | | | | | | | | |
299 | | | | | | | | | | | | | | | |
325 | | | | | | | | | | | | | | | |
351 | | | | | | | | | | | | | | | |
377 | | | | | | | | | | | | | | | |
426 | | | | | | | | | | | | | | | |
450 | | | | | | | | | | | | | | | |
480 | | | | | | | | | | | | | | | |
500 | | | | | | | | | | | | | | | |
530 | | | | | | | | | | | | | | | |
公称 外径 /mm | 公称壁厚/mm | ||||||||||||||
9.0 | 10 | 11 | 12 | 13 | 14 | (15) | 16 | (17) | 18 | (19) | 20 | 22 | (24) | 25 | |
理论质量(kg/m) | |||||||||||||||
22 | | | | | | | | | | | | | | | |
25 | | | | | | | | | | | | | | | |
28 | | | | | | | | | | | | | | | |
32 | | | | | | | | | | | | | | | |
38 | | | | | | | | | | | | | | | |
42 | | | | | | | | | | | | | | | |
48 | | | | | | | | | | | | | | | |
51 | 9.32 | | | | | | | | | | | | | | |
57 | 10.65 | 11.59 | 12.48 | 13.32 | | | | | | | | | | | |
60 | 11.32 | 12.33 | 13.29 | 14.20 | | | | | | | | | | | |
76 | 14.87 | 16.28 | 17.63 | 18.94 | 20.20 | 21.40 | 22.56 | 23.67 | 24.73 | 25.74 | 26 | | | | |
83 | 16.42 | 18.00 | 19.53 | 21.01 | 22.44 | 23.82 | 25.15 | 26.44 | 27.67 | 28.85 | 29.99 | 31.07 | | | |
89 | 17.76 | 19.48 | 21.16 | 22.79 | 24.36 | 25.89 | 27.37 | 28.80 | 30.18 | 31.25 | 32.80 | 34.03 | | | |
102 | 20.64 | 22.69 | 24.68 | 26.63 | 28.53 | 30.38 | 32.18 | 33.93 | 35.63 | 37.29 | 38.89 | 40.44 | 43.40 | | |
108 | 21.97 | 2,4.17 | 26.31 | 28.41 | 30.46 | 32.45 | 34.40 | 36.30 | 38.15 | 39.95 | 41.70 | 43.40 | 46.66 | 49.71 | 51.17 |
114 | 23.30 | 25.65 | 27.94 | 30.18 | 32.38 | 34.52 | 36.62 | 38.67 | 40.66 | 42.61 | 44.51 | 46.36 | 49.91 | 53.27 | 54.87 |
121 | 24-86 | 27.37 | 29.84 | 32.26 | 34.62 | 36.94 | 39.21 | 41.43 | 43.60 | 45.72 | 47.79 | 49.81 | 53.71 | 57.41 | 59.18 |
133 | 27.52 | 30.33 | 33.09 | 35.81 | 38.47 | 41.08 | 43.65 | 46.16 | 48.63 | 51.05 | 53.41 | 55.73 | 60.22 | 64.51 | 66.58 |
146 | 30.41 | 33.54 | 36.62 | 39.65 | 42.64 | 45.57 | 48.46 | 51.29 | 54.08 | 56.82 | 59.50 | 62.14 | 67.27 | 72.20 | 74.60 |
159 | 33.29 | 36.74 | 40.15 | 43.50 | 46.80 | 50.06 | 53.27 | 56.42 | 59.53 | 62.59 | 65.60 | 68.55 | 74.33 | 79.90 | 82.61 |
168 | 35.29 | 38.96 | 42.59 | 46.16 | 49.69 | 53.17 | 56.59 | 59.97 | 63.30 | 66.58 | 69.81 | 72.99 | 79.21 | 85.22 | 88.16 |
194 | 41.06 | 45.37 | 49.64 | 53.86 | 58.02 | 62.14 | 66.21 | 70.23 | 74.20 | 78.12 | 81.99 | 85_82 | 93.31 | 100.61 | 104.19 |
219 | 46.61 | 51.54 | 56.42 | 61.26 | 66.04 | 70.77 | 75.46 | 80.10 | 84.68 | 89.22 | 93.71 | 98.15 | 106.88 | 115.41 | 119.60 |
245 | 52.38 | 57.95 | 63.47 | 68.95 | 74.37 | 79.75 | 85.08 | 90.35 | 95.58 | 100.76 | 105.89 | 110.97 | 120.98 | 130.8D | 135.63 |
273 | 58.59 | 64.86 | 71.07 | 77.24 | 83.35 | 89.42 | 95.43 | 101.40 | 107.32 | 113.19 | 119.O1 | 124.78 | 136.17 | 147.37 | 152.89 |
299 | 64.36 | 71.27 | 78.12 | 84.93 | 91.69 | 98.39 | 105.05 | 111.66 | 118.22 | 124.73 | 131.19 | 137.60 | 150.28 | 162.76 | 168.92 |
325 | | | | | 100.02 | 107.37 | 114.67 | 121.92 | 129.12 | 136.27 | 143.37 | 150.43 | 164.38 | 178.14 | 184.95 |
351 | | | | | 108.36 | 116.35 | 124.29 | 132.18 | 140.02 | 147.81 | 155.56 | 163.25 | 178.49 | 193.53 | 200.98 |
377 | | | | | 116.69 | 125.32 | 133.90 | 142.44 | 150.92 | 159.35 | 167.74 | 176.07 | 192.59 | 208.92 | 217.01 |
426 | | | | | | 142.24 | 152.03 | 161.77 | 171.46 | 181.10 | 190.70 | 200.24 | 219.18 | 237.92 | 247.22 |
450 | | | | | | 150.52 | 160.91 | 171.24 | 181.52 | 191.76 | 201.94 | 212.08 | 232.20 | 252.12 | 262.01 |
480 | | | | | | 160.88 | 172.00 | 183.08 | 194.10 | 205.07 | 216.00 | 226.87 | 248.47 | 269.88 | 280.51 |
500 | | | | | | 167.79 | 179.40 | 190.97 | 202.48 | 213.95 | 225.37 | 236.74 | 259.32 | 281.72 | 292.84 |
530 | | | | | | 178.14 | 190.50 | 202.80 | 215.06 | 227.27 | 239.42 | 251.52 | 275.60 | 299.47 | 311.33 |
公称 外径 /mm | 公称壁厚/mm | ||||||||||||||||
26 | 28 | 30 | 32 | (34) | 36 | 38 | 40 | (42) | 45 | (48) | 50 | 56 | 60 | 63 | (65) | 70 | |
理论质量/(kg/m) | |||||||||||||||||
22 | | | | | | | | | | | | | | | | | |
25 | | | | | | | | | | | | | | | | | |
28 | | | | | | | | | | | | | | | | | |
32 | | | | | | | | | | | | | | | | | |
38 | | | | | | | | | | | | | | | | | |
42 | | | | | | | | | | | | | | | | | |
48 | | | | | | | | | | | | | | | | | |
51 | | | | | | | | | | | | | | | | | |
57 | | | | | | | | | | | | | | | | | |
60 | | | | | | | | | | | | | | | | | |
76 | | | | | | | | | | | | | | | | | |
83 | | | | | | | | | | | | | | | | | |
89 | | | | | | | | | | | | | | | | | |
102 | | | | | | | | | | | | | | | | | |
108 | 52.58 | | | | | | | | | | | | | | | | |
114 | 56.42 | | | | | | | | | | | | | | | | |
121 | 60.91 | | | | | | | | | | | | | | | | |
133 | 68.60 | 72.50 | 76.20 | 79.70 | | | | | | | | | | | | | |
146 | 76.94 | 81.48 | 85.82 | 89.96 | 93.91 | 97.65 | | | | | | | | | | | |
159 | 85.27 | 90.45 | 95.43 | 100.22 | 104.81 | 109.19 | | | | | | | | | | | |
168 | 91.04 | 96.67 | 102.09 | 107.32 | 112.35 | 117.82 | 121.82 | 126.26 | | | | | | | | | |
194 | 107.71 | 114.62 | 121.33 | 127.84 | 134.15 | 140.27 | 146.18 | 151.91 | 157.43 | 165.35 | | | | | | | |
219 | 123.74 | 131.88 | 139.82 | 147.57 | 155.11 | 162.46 | 169.61 | 176.57 | 183.32 | 193.09 | 202.41 | 208.38 | | | | | |
245 | 140,41 | 149.83 | 159.06 | 168.08 | 176.91 | 185.54 | 193.98 | 202.21 | 210.25 | 221.94 | 233.18 | 240.44 | | | | | |
273 | 158.37 | 169.17 | 179.77 | 190.18 | 200.39 | 210.40 | 220.21 | 229.83 | 239.25 | 253.01 | 266.33 | 274.96 | | | | | |
299 | 175.04 | 187.12 | 199.01 | 210.70 | 222.19 | 233.48 | 244.58 | 255.48 | 266.18 | 281.86 | 297.10 | 307.02 | 335.57 | 353.62 | | | |
325 | 191.71 | 205.07 | 218.24 | 231.21 | 246.99 | 256.56 | 268.94 | 281.12 | 293.11 | 310.72 | 327.88 | 339.07 | 371.48 | 392.09 | | | |
351 | 208.38 | 223.03 | 237.48 | 251.73 | 265.79 | 279.64 | 293.31 | 306.77 | 320.04 | 339.57 | 358.66 | 371.13 | 407.38 | 430.56 | | | |
377 | 225.05 | 240.98 | 256.71 | 272.25 | 287.58 | 302.73 | 317.67 | 332.42 | 346.97 | 368.42 | 389.43 | 403.19 | 443.29 | 469.03 | 487.82 | 500.10 | 529.94 |
426 | 256.46 | 274.81 | 292.96 | 310.91 | 328.67 | 346.23 | 363.59 | 380.75 | 397.72 | 422.80 | 447.43 | 463.61 | 510.96 | 541.53 | 563.95 | 578.65 | 614.53 |
450 | 271.85 | 291.38 | 310.72 | 329.85 | 348.79 | 367.53 | 386,08 | 404,42 | 422.57 | 449.43 | 475.84 | 493.20 | 544.10 | 577.04 | 601.24 | 617.12 | 655.96 |
480 | 291.09 | 312.10 | 332.91 | 353.53 | 373.94 | 394.17 | 414.19 | 434.02 | 453.65 | 482.72 | 511.35 | 530.19 | 585.53 | 621.43 | 647.84 | 665.20 | 707.74 |
500 | 303.91 | 325.91 | 347.71 | 369.31 | 390.71 | 411.93 | 432.93 | 453.74 | 474.36 | 504.91 | 535.02 | 554.85 | 613.15 | 651.02 | 678.91 | 697.26 | 742.27 |
530 | 323.14 | 346.62 | 369.90 | 392.98 | 415.87 | 438.55 | 461.04 | 483.34 | 505.43 | 538.20 | 570.53 | 591.84 | 654.57 | 695.41 | 725.52 | 745.35 | 794.05 |
注:括号内的尺寸不推荐使用。 |
公称 外径 /mm | 公称壁厚/mm | ||||||||||||||||||||
2.0 | 2.2 | 2.5 | 2.8 | 3.0 | 3.2 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 9.0 | 10 | 11 | 12 | 13 | |
理论质量/(kg/m) | |||||||||||||||||||||
10 | 0.395 | 0.423 | 0.462 | | | | | | | | | | | | | | | | | | |
12 | 0.493 | 0.532 | 0.586 | 0.635 | 0.666 | | | | | | | | | | | | | | | | |
16 | 0.690 | 0.749 | 0.832 | 0.911 | 0.962 | 1.01 | 1.08 | 1.18 | | | | | | | | | | | | | |
22 | 0.986 | 1.07 | 1.20 | 1.33 | 1.41 | 1.48 | 1.60 | 1.78 | 1.94 | 2.10 | 2.24 | | | | | | | | | | |
25 | 1.13 | 1.24 | 1.39 | 1.53 | 1.63 | 1.72 | 1.86 | 2.07 | 2.27 | 2.47 | 2.64 | 2.81 | | | | | | | | | |
28 | 1.28 | 1.40 | 1.57 | 1.74 | 1-85 | 1.96 | 2.11 | 2.37 | 2.61 | 2.84 | 3.05 | 3.26 | 3.45 | 3.62 | | | | | | | |
32 | 1.48 | 1.62 | 1.82 | 2.02 | 2.15 | 2.27 | 2.46 | 2.76 | 3.05 | 3.33 | 3.59 | 3.85 | 4.09 | 4.32 | 4.53 | 4.73 | | | | | |
38 | 1.78 | 1.94 | 2.19 | 2.43 | 2.59 | 2.75 | 2.98 | 3.35 | 3.72 | 4.07 | 4.41 | 4.73 | 5.05 | 5.35 | 5.64 | 5.92 | 6.44 | | | | |
42 | | | 2.44 | 2.71 | 2.89 | 3.06 | 3.32 | 3.75 | 4.16 | 4.56 | 4.95 | 5.33 | 5.69 | 6.04 | 6.38 | 6.71 | 7.32 | | | | |
48 | | | 2.80 | 3.12 | 3.33 | 3.54 | 3.84 | 4.34 | 4.83 | 5.30 | 5.76 | 6.21 | 6.65 | 7.08 | 7.49 | 7.89 | 8.66 | 9.37 | | | |
51 | | | 2.99 | 3.33 | 3.55 | 3.77 | 4.10 | 4.64 | 5.16 | 5.67 | 6.17 | 6.66 | 7.13 | 7.60 | 8.05 | 8.48 | 9.32 | 10.11 | 10.85 | 11.54 | |
57 | | | 3.36 | 3.74 | 3.99 | 4.25 | 4.62 | 5.23 | 5.83 | 6.41 | 6.98 | 7.55 | 8.09 | 8.63 | 9.16 | 9.67 | 10.65 | 11.59 | 12.48 | 13.32 | |
60 | | | | | 4.22 | 4.48 | 4.88 | 5.52 | 6.16 | 6.78 | 7.39 | 7.99 | 8.58 | 9.15 | 9.71 | 10.26 | 11.32 | 12.33 | 13.29 | 14.20 | |
63 | | | | | 4.44 | 4.72 | 5.14 | 5.82 | 6.49 | 7.15 | 7.80 | 8.43 | 9.06 | 9.67 | 10.26 | 10.85 | 11.98 | 13.07 | 14.11 | 15.09 | |
70 | | | | | 4.96 | 5.27 | 5.74 | 6.51 | 7.27 | 8.01 | 8.75 | 9.47 | 10.18 | 10.88 | 11.56 | 12.23 | 13.54 | 14.80 | 16.00 | 17.16 | 18.27 |
76 | | | | | | | | 7.10 | 7.93 | 8.75 | 9.56 | 10.36 | 11.14 | 11.91 | 12.67 | 13.42 | 14.87 | 16.28 | 17.63 | 1.8.94 | 20.20 |
83 | | | | | | | | 7.79 | 8.71 | 9.62 | 10.51 | 11.39 | 12.26 | 13.12 | 13.96 | 14.80 | 16.42 | 18.00 | 19.52 | 21.01 | 22.44 |
89 | | | | | | | | 8.38 | 9.38 | 10.36 | 11.33 | 12.28 | 13.22 | 14.15 | 15.07 | 15.98 | 17.76 | 19.48 | 21.16 | 22.79 | 24.36 |
102 | | | | | | | | | 10.82 | 11.96 | 13.09 | 14.20 | 15.31 | 16.40 | 17.48 | 18.54 | 20.64 | 22.69 | 24.68 | 26.63 | |
108 | | | | | | | | | 11.49 | 12.70 | 13.90 | 15.09 | 16.27 | 17.43 | 18.59 | 19.73 | 21.97 | 24.17 | 26.31 | 28.41 | |
114 | | | | | | | | | 12.15 | 13.44 | 14.72 | 15.98 | 17.23 | 18.49 | 19.70 | 20.91 | 23.30 | 25.65 | 27.94 | 30.18 | |
钢管种类 | 钢管尺寸/mm | 允 许 偏 差 | |||
普 通 级 | 高 级 | ||||
热轧(挤)管 | 外径D | ≤159 | ±1.0%(最小值为±0.5mm) | ±0.75%(最小值为±0.3mm) | |
>159 | ±1.0% | ±0.90% | |||
壁厚S | <3.5 | +15%, 最小值为+0.48mm、 -10% -0.32mm | ±10%(最小值为±0.2mm) | ||
3.5-20 | +15% -10% | ±10% | |||
>20 | D<219 | ±10% | ±7.5% | ||
D≥219 | +12.5% -10.0% | ±10% | |||
冷拔(轧)管 | 外径D | ≤30 | ±0.20mm | ±0.15mm | |
>30-50 | ±0.30mm | ±0.25mm | |||
>50 | ±0.8% | ±0.6% | |||
壁厚S | 2-3 | +12% -10% | ±10% | ||
>3 | ±10% | ±7.5% |
牌类 | 序 号 | 牌 号 | 化学成分(质量分数)(%) | | |||||||||||||
C | Mn | Si | Q | Mo | V | Ti | B | W | Ni | A1 | Nb | N | S | P | |||
≤ | |||||||||||||||||
优质 碳素 结构钢 | 1 | 20G | 0.17-0.24 | 0.35-0.65 | 0.17-0.37 | | | | | | | | | | | 0.030 | 0.030 |
2 | 20MnG | 0.17-0.24 | 0.70-1.00 | 0.17-0.37 | | | | | | | | | | | 0.030 | 0.030 | |
3 | 25MnG | 0.22-0.30 | 0.70-1.00 | 0.17-0.37 | | | | | | | | | | | 0.030 | 0.030 | |
合金 结构钢 | 4 | 15Mog | 0.12-0.20 | 0.40-0.80 | 0.17-0.37 | | 0.25-0.35 | | | | | | | | | 0.030 | 0.030 |
5 | 20MoG | 0.15-0.25 | 0.40-0.80 | 0.17-0.37 | | 0.44-0.65 | | | | | | | | | 0.030 | 0.030 | |
6 | 12CrMoG | 0.08-0.15 | 0.40-0.70 | 0.17-0.37 | 0.40-0.70 | 0.40-0.55 | | | | | | | | | 0.030 | 0.030 | |
7 | 15CrMoG | 0.12-0.18 | 0.40-0.70 | 0.17-0.37 | 0.80-1.10 | 0.40-0.55 | | | | | | | | | 0.030 | 0.030 | |
8 | 12Cr2MoG | 0.08-0.15 | 0.40-0.70 | ≤0.50 | 2.00-2.50 | 0.90-1.20 | | | | | | | | | 0.030 | 0.030 | |
9 | 12Cr1MoVG | 0.08-0.15 | 0.40-0.70 | 0.17- 0.37 | 0.90-1.20 | 0.25-0.35 | 0.15-0.30 | | | | | | | | 0.030 | 0.030 | |
10 | 12Cr2MoWVTiB | 0.08-0.15 | 0.45-0.65 | 0.45-0.75 | 1.60-2.10 | 0.50-0.65 | 0.28-0.42 | 0.08-0.18 | 0.002-0.008 | 0.30-0.55 | | | | | 0.030 | 0.030 | |
11 | 12Cr3MoVSiTiB | 0.09-0.15 | 0.50-0.80 | 0.60-0.90 | 2.50-3.00 | 1.00-1.20 | 0.25-0.35 | 0.22-0.38 | 0.005-0.011 | | | | | | 0.030 | 0.030 | |
12 | 10Cr9Mo1VNb | 0.08-0.12 | 0.30-0.60 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | 0.18-0.25 | | | | ≤0.40 | ≤0.040 | 0.06-0.10 | 0.030-0.070 | .010 | 0.020 | |
不锈 耐热钢 | 13 | 1Cr18NNi9 | ≤0.15 | ≤2.00 | ≤1.00 | 17.00-19.00 | | | | | | 8.00-10.00 | | | | 0.030 | 0.035 |
14 | 1Cr19Ni11NB | 0.04-0.10 | ≤2.00 | ≤1.00 | 17.00-20.00 | | | | | | 9.00-13.00 | | Nb+Ta ≥80%-1.00% | | 0.030 | 0.030 | |
注: 1.20G、20MnG、25MnG的残余元素含量w要求:Cu≤0.20%、Cr≤0.25%、Ni≤0.25%、V≤0.08%、Mo≤0.15%。其余牌号Cu≤0.20%、Cr≤0.30%、Ni≤0.30%。 2.20G钢中酸溶铝不大于0.010%,暂不作交货依据,但应填入质量证明书中。 3.用氢气转炉加炉外精炼制造的钢.氮含量w不大于0.008%。 |
序号 | 牌 号 | 热处理制度 |
1 | 20G | 900~930°C正火,热轧管的终轧温度不小于900°C时,可以代替正火 |
2 | 20MnG 25MnG | 900~930°C正火,热轧管的终轧温度不小于900°C时,可以代替正火 |
3 | 15MoG① 20MoG① | 910~940°C正火 |
4 | 12CrMoG① | 900~930°C正火。670~720°C回火,保温时间:周期式炉大于2h。连续炉大于1h |
5 | 15CrMoG① | 930~960°C正火。680—720°C回火,保温时间:周期式炉大于2h。连续炉大于1h |
6 | 12Cr2MoG① | 900~960°C正火,700~750°C回火,也可进行加热至900~960°C,炉冷至700C12保温1h以上,空冷 |
7 | 12Cr1MoVG① | 980~1020°C正火,保温时间按壁厚每毫米1min计,但不少于20min。720~760°C回火,保温时间,周期式炉大于2h,连续炉大于1h,当壁厚大于30mm至40mm应进行强制冷却;当壁厚大于40mm,应进行调质处理,淬火温度950—990°C,回火温度720~760°C,保温时间:周期式炉大于2h |
8 | 12Cr2MoWVTiB | 1000~1035°C正火,保温时间:按壁厚每毫米1.5min计,但不少于20min。760~790°C回火, 保温时间:周期式炉大于2h,连续炉大于1h |
9 | 12Cr3MoVSiTiB | 1040~1090°正火,保温时间:按壁厚每毫米1.5min计,但不少于20min。720~770°C回火, 保温时间:周期式炉大于2h,连续炉大于1h |
10 | 10Cr9Mo1VNb | 1040~1060℃正火,保温时间:按壁厚每毫米1.5min计,但不少于20min。770~790℃回火, 保温时间:周期式炉大于2h,连续炉大于1h |
11 | 1Cr18Ni9 | 固溶处理:固溶温度≥1040℃ |
12 | 1Cr19Ni11Nb | 固溶处理:热轧(挤、扩)管,固溶温度≥1050℃,冷拔(轧)管固溶温度≥1095℃ |
序号 | 钢类 | 牌 号 | 纵向力学性能 | 横向力学性能 | ||||||
抗拉强度 ób/MPa | 屈服点 ós /MPa | 伸长率 δ5(%) | 冲击 吸收功 Akv/J | 抗拉强度 ób/MPa | 屈服点 ós /MPa | 伸长率 δ5(%) | 冲击吸收功 AKv/J | |||
≥ | ≥ | |||||||||
1 | 优质 碳素 结构钢 | 20G | 410~550 | 245 | 24 | 35 | 400 | 215 | 22 | 27 |
2 | 20MnG | ≥415 | 240 | 22 | 35 | | | | 27 | |
3 | 25MnG | ≥485 | 275 | 20 | 35 | | | | 27 | |
4 | 合金 结构钢 | 15MoG | 450~600 | 270 | 22 | 35 | | | 20 | 27 |
5 | 20MoG | ≥415 | 220 | 22 | 35 | | | | 27 | |
6 | 12CrMoG | 410~560 | 205 | 21 | 35 | | | | 27 | |
7 | 15CrMoG | 440~640 | 235 | 21 | 35 | 440 | 225 | 20 | 27 | |
8 | 12Cr2MoG | 450~600 | 280 | 20 | 35 | | | 18 | 27 | |
9 | 12Cr1MoVG | 470~640 | 255 | 21 | 35 | 440 | 255 | 19 | 27 | |
10 | 12Cr2MoWVTiB | 540~735 | 345 | 18 | 35 | | | | 27 | |
11 | 12Cr3MoVSiTiB | 610~805 | 440 | 16 | 35 | | | | 27 | |
12 | 10Cr9Mo1VNb | ≥585 | 415 | 20 | 35 | | | | 27 | |
13 | 1Cr18Ni9 | ≥520 | 205 | 35 | | | | | | |
14 | 1Cr19Ni11Nb | ≥520 | 205 | 35 | | | | | |
序号 | 牌 号 | 温 度/℃ | ||||||||||
100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | ||
1 | 20G | | | 215 | 196 | 177 | 157 | 137 | 98 | 49 | | |
2 | 20MnG | 219 | 214 | 208 | 197 | 183 | 175 | 168 | 156 | 151 | | |
3 | 25MnG | 252 | 245 | 237 | 226 | 210 | 201 | 192 | 179 | 172 | | |
4 | 15MoG | | | 225 | 205 | 180 | 177 | 160 | 155 | 150 | | |
5 | 20MoG | 207 | 199 | 202 | 187 | 182 | 177 | 169 | 168 | 150 | | |
6 | 15CrMoG | | | 269 | 256 | 242 | 228 | 216 | 285 | 198 | | |
7 | 12Cr2MoG | 191 | 187 | 186 | 185 | 185 | 185 | 185 | 182 | 173 | 159 | |
8 | 12Cr1MoVG | | | | | 230 | 225 | 219 | 211 | 201 | 187 | |
9 | 12Cr2MowvTiB | | | | | 368 | 357 | 352 | 343 | 328 | 305 | 274 |
10 | 12Cr3MoVSiTiB | | | | | 403 | 397 | 398 | 379 | 364 | 342 | |
11 | 10Cr9Mo1VNb | | | 380 | 370 | 360 | 350 | 340 | 325 | 300 | 260 | 200 |
12 | 1Cr18Ni9 | 171 | 155 | 144 | 136 | 128 | 124 | 119 | 115 | 111 | 106 | |
13 | 1Cr19Ni11Nb | 239 | 227 | 216 | 207 | 200 | 195 | 191 | 190 | 189 | 188 | |
持久强度 | 100000h持久强度ó105/MPa | ||||||||||||||||||
试验温度/℃ | 400 | 410 | 420 | 430 | 440 | 450 | 460 | 470 | 480 | 490 | 500 | 510 | 520 | 530 | 540 | 550 | 560 | 570 | |
序号 | 牌号 | ||||||||||||||||||
1 | 20G | 128 | 116 | 104 | 93 | 83 | 74 | 65 | 58 | 51 | 45 | 39 | | | | | | | |
2 3 | 20MnG 25MnG | | | | 110 120 | 100 103 | 87 88 | 75 75 | 64 64 | 55 55 | 46 46 | 39 39 | 31 31 | | | | | | |
4 5 | 15MoG 20MoG | | | | | | 245 | 209 | 174 | 143 145 | 117 124 | 93 105 | 74 85 | 59 71 | 47 59 | 38 50 | 31 40 | | |
6 7 | 15CrMoG 12Cr2MoG | | | | | | | | | | 168 | 145 124 | 124 112 | 106 102 | 91 91 | 75 83 | 61 72 | 64 | 56 |
8 9 | 12Cr1MoVG 12Cr2MoWVTiB | | | | | | | | | | | 184 | 169 | 153 | 138 | 124 176 | 110 162 | 98 147 | 85 132 |
10 11 | 12Cr3MoVSiTiB 10C19Mo1VNb | | | | | | | | | | | | | | | 148 | 135 | 122 | 110 |
12 13 | 1Cr18Ni9 1Cr19Ni11Nb | | | | | | | | | | | | | | | | | | |
持久强度 | 100000h持久强度ó105/MPa | ||||||||||||||||||
试验温度/℃ | 580 | 590 | 600 | 610 | 620 | 630 | 640 | 650 | 660 | 670 | 680 | 690 | 700 | 710 | 720 | 730 | 740 | 750 | |
序号 | 牌号 | ||||||||||||||||||
1 | 20G | | | | | | | | | | | | | | | | | | |
2 3 | 20MnG 25MnG | | | | | | | | | | | | | | | | | | |
4 5 | 15MoG 20MoG | | | | | | | | | | | | | | | | | | |
6 7 | 15CrMoG 12Cr2MoG | | | | | | | | | | | | | | | | | | |
8 9 | 12Cr1MoVG 12Cr2MoWVTiB | 75 118 | 64 105 | 66 82 | 80 | 69 | 59 | 58 | | | | | | | | | | | |
10 11 | 12Cr3MoVSiTiB 10Cr9Mo1VNb | 98 | 88 112 | 78 88 | 69 89 | 61 74 | 54 63 | 47 53 | 44 | | | | | | | | | | |
12 13 | 1Cr18Ni9 1Cr19Ni11Nb | | | 95 132 | 88 121 | 81 110 | 74 100 | 68 91 | 63 82 | 57 74 | 52 66 | 48 60 | 43 54 | 40 48 | 36 43 | 33 38 | 31 34 | 28 31 | 26 28 |