规格/缸径:Φ30-Φ700mm
材质:20 45 16Mn 27SiMn 20Mn2
标准:GB8713-88
品种
加工形式 | 缸径 | 长度 | 直线度 | 尺寸精度 | 内孔粗造度 |
冷拔 | Φ30-Φ250 | ≦10M | 0.3-1.0/1000 | H9-H11 | 0.8-1.6 |
珩磨 | Φ40-Φ700 | ≦12M | 0.3-1.0/1000 | H7-H9 | 0.4-0.8 |
力学性能
钢种 | | 冷拔(轧)管 | 金切管 |
20 | 抗拉强度 N/m | ≥510 | ≥390 |
伸长率 % | ≥5 | ≥20 |
45 | 抗拉强度 N/m | ≥647 | ≥590 |
伸长率 % | ≥4 | ≥4 |
16Mn | 抗拉强度 N/m | ≥640 | |
伸长率 % | ≥10 | |
28Mn2 | 抗拉强度 N/m | ≥672 | |
伸长率 % | ≥7.5 | |
27SiMn | 抗拉强度 N/m | ≥840 | |
伸长率 % | ≥7.5 | |
尺寸公差
内径尺寸 | 内径偏差 | 金切管 |
H7 | H8 | H9 | H10 | H11 |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 | +0.130 0 | ±5% |
>30-50 | +0.025 0 | +0.039 0 | +0.060 0 | +0.100 0 | +0.160 0 |
>50-80 | +0.035 0 | +0.046 0 | +0.074 0 | +0.120 0 | +0.190 0 |
>80-120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 | +0.220 0 |
>120-180 | +0.040 0 | +0.063 0 | +0.100 0 | +0.160 0 | +0.250 0 |
>180-250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 | +0.290 0 |
>250-315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 | +0.320 0 |
>315-700 | +0.057 0 | +0.089 0 | +0.140 0 | +0.230 0 | +0.360 0 |
外径(mm) | 允许偏差(mm) | 外径(mm) | 允许偏差(mm) |
≤φ40 | ±0.15 | φ160~200 | ±0.80 |
φ40~60 | ±0.24 | φ200~240 | ±1.00 |
φ40~80 | ±0.30 | φ240~340 | ±1.50 |
φ80~100 | ±0.40 | φ340~440 | ±2.00 |
φ100~160 | ±0.50 | φ440~520 | ±2.50 |
部分产品规格
内径 mm | 外径 mm | 壁厚 mm | 单重Kg/m | 内径mm | 外径 mm | 壁厚 mm | 单重Kg/m | 内径mm | 外径 mm | 壁厚mm | 单重Kg/m |
32 | 40 | 4 | 3.55 | 60 | 70 | 5 | 8.01 | 90 | 114 | 12 | 30.18 |
40 | 45 | 2.5 | 2.62 | 63 | 70 | 3.5 | 5.74 | 100 | 108 | 4 | 10.26 |
40 | 50 | 5 | 5.55 | 63 | 72 | 4.5 | 7.49 | 100 | 114 | 7 | 18.47 |
40 | 51 | 5.5 | 6.17 | 63 | 76 | 6.5 | 11.14 | 100 | 131 | 10.5 | 26.61 |
45 | 53 | 4 | 4.83 | 63 | 80 | 8.5 | 14.99 | 100 | 127 | 13.5 | 37.79 |
45 | 55 | 5 | 6.17 | 63 | 83 | 10 | 18 | 100 | 130 | 15 | 42.54 |
45 | 57 | 6 | 7.55 | 70 | 83 | 6.5 | 12.26 | 110 | 119 | 4.5 | 12.71 |
45 | 60 | 7.5 | 9.71 | 70 | 86 | 8 | 15.39 | 110 | 127 | 8.5 | 24.84 |
50 | 55 | 2.5 | 3.24 | 75 | 86 | 5.5 | 10.92 | 110 | 128 | 9 | 26.41 |
50 | 58 | 4 | 5.33 | 80 | 86 | 3 | 6.14 | 110 | 133 | 11.5 | 34.46 |
50 | 60 | 5 | 6.78 | 80 | 92 | 6 | 12.73 | 110 | 135 | 12.5 | 37.76 |
50 | 63 | 6.5 | 9.06 | 80 | 95 | 7.5 | 16.18 | 110 | 140 | 15 | 46.24 |
50 | 65 | 7.5 | 10.63 | 80 | 102 | 11 | 24.68 | 120 | 140 | 10 | 32.06 |
50 | 70 | 10 | 14.80 | 90 | 100 | 5 | 11.71 | 120 | 146 | 13 | 42.64 |
55 | 65 | 5 | 7.40 | 90 | 103 | 6.5 | 15.47 | 125 | 133 | 4 | 12.72 |
55 | 70 | 7.5 | 11.56 | 90 | 105 | 7.5 | 18.03 | 125 | 135 | 5 | 16.03 |
56 | 68 | 6 | 9.17 | 90 | 108 | 9 | 21.97 | 125 | 140 | 7.5 | 24.51 |
56 | 70 | 7 | 10.88 | 90 | 112 | 11 | 27.40 | 125 | 146 | 10.5 | 35.09 |
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