公稱 外徑 /mm | 公稱壁厚/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 | |
理論質量/(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 | 11.9l | 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 | 15.3l | 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 | 20.9l | ||||||||
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 |
公稱 外徑 /mm | 公稱壁厚/mm | |||||||||||||||||
9.0 | 10 | 11 | 12 | 13 | 14 | (15) | 16 | (17) | 18 | (19) | 20 | 22 | (24) | 25 | ||||
理論質量(kg/m) | ||||||||||||||||||
22 | ||||||||||||||||||
25 | ||||||||||||||||||
28 | ||||||||||||||||||
32 | ||||||||||||||||||
38 | ||||||||||||||||||
42 | ||||||||||||||||||
48 | ||||||||||||||||||
5l | 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 | 28.4l | 30.46 | 32.45 | 34.40 | 36.30 | 38.15 | 39.95 | 41.70 | 43.40 | 46.66 | 49.7l | 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 | 57.4l | 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 | 30.4l | 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 | 82.6l | |||
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 | 79.2l | 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 | 46.6l | 51.54 | 56.42 | 61.26 | 66.04 | 70.77 | 75.46 | 80.10 | 84.68 | 89.22 | 93.71 | 98.15 | 106.88 | 115.4l | 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.Ol | 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 | 280.5l | ||||||||
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 |
公稱 外徑 /mm | 公稱壁厚/mm | ||||||||||||||||
26 | 28 | 30 | 32 | (34) | 36 | 38 | 40 | (42) | 45 | (48) | 50 | 56 | 60 | 63 | (65) | 70 | |
理論質量/(kg/m) | |||||||||||||||||
22 | |||||||||||||||||
25 | |||||||||||||||||
28 | |||||||||||||||||
32 | |||||||||||||||||
38 | |||||||||||||||||
42 | |||||||||||||||||
48 | |||||||||||||||||
5l | |||||||||||||||||
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 | 191.7l | 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 | 325.9l | 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 |
註:括弧內的尺寸不推薦使用。 |
公稱 外徑 /mm | 公稱壁厚/mm | ||||||||||||||||||||
2.0 | 2.2 | 2.5 | 2.8 | 3.O | 3.2 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.O | 9.0 | 10 | 1l | 12 | 13 | |
理論質量/(kg/m) | |||||||||||||||||||||
lO | O.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 | l-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 | 10.1l | 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 | 14.1l | 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 | 15.3l | 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 |
鋼管種類 | 鋼管尺寸/mm | 允 許 偏 差 | |||
普 通 級 | 高 級 | ||||
熱軋(擠)管 | 外徑 D | ≤159 | ±1.O%(最小值為±0.5mm) | ±O.75%(最小值為±0.3mm) | |
>159 | ±1.O% | ±O.90% | |||
壁厚S | <3.5 | +15%, 最小值為+O.48mm、 -10% -0.32mm | ±10%(最小值為±O.2mm) | ||
3.5~20 | +15% -10% | ±lO% | |||
>20 | D<219 | ±10% | ±7.5% | ||
D≥219 | +12.5% -10.0% | ±10% | |||
冷拔(軋)管 | 外徑D | ≤30 | ±0.20mm | ±O.15mm | |
>30~50 | ±O.30mm | ±O.25mm | |||
>50 | ±O.8% | ±O.6% | |||
壁厚S | 2~3 | +12% -10% | ±lO% | ||
>3 | ±10% | 土7.5% |
牌類 | 序 號 | 牌 號 | 化學成分(質量分數)(%) | ||||||||||||||
C | Mn | si | Q | M0 | V | Ti | B | W | Ni | Al | Nb | N | S | P | |||
≤ | |||||||||||||||||
優質碳素 結構鋼 | 1 | 20G | O.17~ O.24 | 0.35~ O.65 | O.17~ O.37 | O.030 | 0.030 | ||||||||||
2 | 20MnG | O.17~ 0.24 | O.70~ 1.00 | O.17~ O.37 | O.030 | O.030 | |||||||||||
3 | 25MnG | O.22~ 0.30 | 0.70~ 1.00 | O.17~ O.37 | 0.030 | 0.030 | |||||||||||
合金 結構鋼 | 4 | 15Mog | 0.12~ O.20 | O.40~ 0.80 | O.17~ O.37 | O.25~ O.35 | O.030 | O.030 | |||||||||
5 | 20MOG | 0.15~ O.25 | O.40~ 0.80 | O.17~ O.37 | O.44~ O.65 | O.030 | 0.030 | ||||||||||
6 | 12CrMoG | 0.08~ O.15 | 0,40~ O.70 | O.17~ O.37 | O.40~ O.70 | 0.40~ 0.55 | 0.030 | O.030 | |||||||||
7 | 15CrMOG | 0.12~ O.18 | 0.40~ O.70 | O.17~ 0.37 | O.80~ 1.10 | 0.40~ O.55 | O.030 | 0.030 | |||||||||
8 | 12Cr2MoG | 0.08~ 0.15 | O.40~ 0.70 | ≤O.50 | 2.00~ 2.50 | O.90~ 1.20 | 0.030 | O.030 | |||||||||
9 | 12CrlMOVG | 0.08~ 0.15 | O.40~ O.70 | O.17~ O.37 | O.90~ 1.20 | O.25~ 0.35 | O.15~ O.30 | O.030 | O.030 | ||||||||
10 | 12Cr2MoWVTiB | O.08~O.15 | 0.45~O.65 | 0.45~0.75 | 1.60~2.10 | 0.50~O.65 | 0.28~0.42 | 0.08~O.18 | O.002~O.008 | O.30~O.55 | O.030 | O.030 | |||||
11 | 12cR3MOVSiTiB | 0.09~~0.15 | O.50~O.80 | O.60~O.90 | 2.50~3.00 | 1.00~1.20 | 0.25~0.35 | 0.22~ 0.38 | 0.005~O.011 | 0.030 | O.030 | ||||||
12 | 10Cr9M0lVNb | 0.08~O.12 | 0.30~0.60 | O.20~0.50 | 8.00~9.50 | O.85~1.05 | O.18~0.25 | ≤O.40 | ≤0.O40 | O.06~O.10 | O.030~O.070 | . OLO | O.020 | ||||
不銹 耐熱鋼 | 13 | lCrl8NNi9 | ≤O.15 | ≤2.00 | ≤1.00 | 17.00~19.00 | 8.00~10.00 | O.030 | O.035 | ||||||||
14 | 1Crl9Ni11NB | O.04~O.10 | ≤2.00 | ≤1.00 | 17.00~20.00 | 9.00~13.00 | Nb+Ta ≥80%~1.00% | 0.030 | O.030 | ||||||||
註:1.20G、20MnG、25MnG的殘餘元素含量w要求:Cu≤O.20%、Cr≤O.25%、Ni≤O.25%、V≤O.08%、M0≤O.15%。其餘牌號 cu≤0.20%、Cr≤O.30%、Ni≤O.30%。 2.20G鋼中酸溶鋁不大於0.010%,暫不作交貨依據,但應填進質量證實書中。 3.用氫氣轉爐加爐外精煉製造的鋼.氮含量w不大於0.008%。 |
序號 | 牌 號 | 熱處理制度 |
l | 20G | 900~930°C正火,熱軋管的終軋溫度不小於900°C時,可以代替正火 |
2 | 20MnG 25MnG | 900~930°C正火,熱軋管的終軋溫度不小於900°C時,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,保溫時間:周期式爐大於2h。連續爐大於1h |
5 | 15CrMoG① | 930~960°C正火。680—720°C回火,保溫時間:周期式爐大於2h。連續爐大於1h |
6 | 12Cr2MoG① | 900~960°C正火,700~750°C回火,也可進行加熱至900~960°C,爐冷至700C12保溫lh以上,空冷 |
7 | 12CrlMoVG① | 980~1020°C正火,保溫時間按壁厚每毫米1min計,但不少於20min。720~760°C回火,保溫時間,周期式爐大於2h,連續爐大於1h,當壁厚大於30mm至40mm應進行強制冷卻;當壁厚大於40mm,應進行調質處理,淬火溫度950—990°C,回火溫度720~760°C,保溫時間:周期式爐大於2h |
8 | 12Cr2MoWVTiB | 1000~1035°C正火,保溫時間:按壁厚每毫米1.5min計,但不少於20min。760~790°C回火,保溫時間:周期式爐大於2h,連續爐大於lh |
9 | 12Cr3MoVSiTiB | 1040~1090°正火,保溫時間:按壁厚每毫米1.5min計,但不少於20min。720~770°C回火,保溫時間:周期式爐大於2h,連續爐大於lh |
10 | 10Cr9MolVNb | 1040~1060℃正火,保溫時間:按壁厚每毫米1.5min計,但不少於20min。770~790℃回火,保溫時間:周期式爐大於2h,連續爐大於1h |
11 | 1Crl8Ni9 | 固溶處理:固溶溫度≥1040℃ |
12 | 1Crl9NillNb | 固溶處理:熱軋(擠、擴)管,固溶溫度≥1050℃,冷拔(軋)管固溶溫度≥1095℃ |
不銹耐
熱鋼序號 | 鋼類 | 牌 號 | 縱向力學性能 | 橫向力學性能 | ||||||
抗拉強度ób/MPa | 屈服點 ós /MPa | 伸長率 δ5(%) | 衝擊 吸收功 Akv/J | 抗拉強度 ób /MPa | 屈服點 ós /MPa | 伸長率 δ5(%) | 衝擊吸收功AKv/J | |||
≥ | ≥ | |||||||||
l | 優質碳素 結構鋼 | 20G | 4lO~550 | 245 | 24 | 35 | 400 | 215 | 22 | 27 |
2 | 20MnG | ≥415 | 240 | 22 | 35 | 27 | ||||
3 | 25MnG | ≥485 | 275 | 20 | 35 | 27 | ||||
4 | 合金結構鋼 | 15MoG | 450~600 | 270 | 22 | 35 | 20 | 27 | ||
5 | 20MoG | ≥415 | 220 | 22 | 35 | 27 | ||||
6 | 12CrMoG | 410~560 | 205 | 2l | 35 | 27 | ||||
7 | 15CrMoG | 440~640 | 235 | 21 | 35 | 440 | 225 | 20 | 27 | |
8 | 12Cr2MoG | 450~600 | 280 | 20 | 35 | 18 | 27 | |||
9 | 12CrlMoVG | 470~640 | 255 | 2l | 35 | 440 | 255 | 19 | 27 | |
10 | 12Cr2MoWVTiB | 540~735 | 345 | 18 | 35 | 27 | ||||
ll | 12Cr3MoVSiTiB | 610~805 | 440 | 16 | 35 | 27 | ||||
12 | 10Cr9MolVNb | ≥585 | 415 | 20 | 35 | 27 | ||||
13 | lCrl8Ni9 | ≥520 | 205 | 35 | ||||||
14 | 1Crl9NillNb | ≥520 | 205 | 35 |
序號 | 牌 號 | 溫 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 | 19l | 187 | 186 | 185 | 185 | 185 | 185 | 182 | 173 | 159 | |
8 | 12CrlMoVG | 230 | 225 | 219 | 211 | 20l | 187 | |||||
9 | 12Cr2M0wvTiB | 368 | 357 | 352 | 343 | 328 | 305 | 274 | ||||
10 | 12Cr3MoVSiTiB | 403 | 397 | 398 | 379 | 364 | 342 | |||||
11 | 10Cr9M01VNb | 380 | 370 | 360 | 350 | 340 | 325 | 300 | 260 | 200 | ||
12 | 1Crl8Ni9 | 17l | 155 | 144 | 136 | 128 | 124 | 119 | 115 | 111 | 106 | |
13 | lCrl9NillNb | 239 | 227 | 216 | 207 | 200 | 195 | 19l | 190 | 189 | 188 |
持久強度 試驗溫度/℃ 序號 牌號 | 100000h持久強度ó10 5/MPa | ||||||||||||||||||
400 | 410 | 420 | 430 | 440 | 450 | 460 | 470 | 480 | 490 | 500 | 510 | 520 | 530 | 540 | 550 | 560 | 570 | ||
l | 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 | 3l 3l | |||||||||
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 | 15CrM0G 12Cr2MOG | 168 | 145 124 | 124 112 | 106 102 | 9l 91 | 75 83 | 6l 72 | 64 | 56 | |||||||||
8 9 | 12CrlMOVG 12Cr2MOWVTiB | 184 | 169 | 153 | 138 | 124 176 | 110 162 | 98 147 | 85 132 | ||||||||||
lO 11 | 12Cr3MOVSiTiB 10C19M01VNb | 148 | 135 | 122 | 110 | ||||||||||||||
12 13 | 1Crl8Ni9 lCrl9NillNb |
持久強度 試驗溫度/℃ 序號 牌號 | 100000h持久強度ó10 5/MPa | ||||||||||||||||||
580 | 590 | 600 | 610 | 620 | 630 | 640 | 650 | 660 | 670 | 680 | 690 | 700 | 710 | 720 | 730 | 740 | 750 | ||
l | 20G | ||||||||||||||||||
2 3 | 20MnG 25MnG | ||||||||||||||||||
4 5 | 15MoG 20MoG | ||||||||||||||||||
6 7 | 15CrMoG 12Cr2MoG | ||||||||||||||||||
8 9 | 12CrlMoVG 12Cr2MOWVTiB | 75 118 | 64 105 | 66 82 | 80 | 69 | 59 | 58 | |||||||||||
lO ll | 12Cr3MoVSiTiB 1OCr9M01VNb | 98 | 88 112 | 78 88 | 69 89 | 6l 74 | 54 63 | 47 53 | 44 | ||||||||||
12 13 | 1Crl8Ni9 1Crl9NillNb | 95 132 | 88 121 | 8l 110 | 74 100 | 68 91 | 63 82 | 57 74 | 52 66 | 48 60 | 43 54 | 40 48 | 36 43 | 33 38 | 3l 34 | 28 3l | 26 28 |