| 技术支持 |
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| 详细介绍 |
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ISO尺寸公差标准对照表 |
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| SIZE TOLERANCE OF ISO SPECIFICATION |
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| 直径 . 边长 或对边距 Dia.Or Distance Across(mm) |
公差等级 Tolerance Precision |
| 等级 6 h6 |
等级 7 h7 |
等级 8 h8 |
等级 9 h9 |
等级 10 h10 |
等级 11 h11 |
等级 12 h12 |
等级 13 h13 |
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| 3Max |
0 -0.006 |
0 -0.010 |
0 -0.014 |
0 -0.025 |
0 -0.040 |
0 -0.060 |
0 -0.100 |
0 -0.140 |
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| 3--6 |
0 -0.008 |
0 -0.012 |
0 -0.018 |
0 -0.030 |
0 -0.048 |
0 -0.075 |
0 -0.120 |
0 -0.180 |
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| 6--10 |
0 -0.009 |
0 -0.015 |
0 -0.022 |
0 -0.036 |
0 -0.058 |
0 -0.090 |
0 -0.150 |
0 -0.220 |
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| 10--18 |
0 -0.011 |
0 -0.018 |
0 -0.027 |
0 -0.043 |
0 -0.070 |
0 -0.110 |
0 -0.180 |
0 -0.270 |
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| 18--30 |
0 -0.013 |
0 -0.021 |
0 -0.033 |
0 -0.052 |
0 -0.084 |
0 -0.130 |
0 -0.210 |
0 -0.330 |
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| 30--50 |
0 -0.016 |
0 -0.025 |
0 -0.039 |
0 -0.062 |
0 -0.100 |
0 -0.160 |
0 -0.250 |
0 -0.390 |
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| 50--80 |
0 -0.019 |
0 -0.030 |
0 -0.046 |
0 -0.074 |
0 -0.120 |
0 -0.190 |
0 -0.300 |
0 -0.460 |
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| 80--120 |
0 -0.022 |
0 -0.035 |
0 -0.054 |
0 -0.087 |
0 -0.140 |
0 -0.220 |
0 -0.350 |
0 -0.540 |
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| 120--180 |
0 -0.025 |
0 -0.040 |
0 -0.063 |
0 -0.100 |
0 -0.160 |
0 -0.250 |
0 -0.400 |
0 -0.630 |
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| 品质保障 Quality Assuyance |
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| 以先进的品检设备，于制程关键位置进行品质检查，确保品质符合客户需求 |
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| Having Advaced Quality Examination Equipmet , With Quality Control Measurement In Key Processing |
| Location To Meet Customer Demand |
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| 直棒钢产品品质表： STEEL CHARACTERISTICS |
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| 品质要求 Quality Element |
圆 Round |
四角 |
六角 |
| 热轧 HR |
剥皮 ST |
冷拉 CD |
研磨 CG |
热轧 HR |
冷拉 CD |
冷拉 CD |
| 尺寸公差 Size Tolerance |
GB702-3 |
h12-h10 |
h11-h8 |
h8-h6 |
GB702-3 |
h12-h11 |
h12-h11 |
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| 直度 Straightness(mm/m) |
6.00 |
1.00 |
0.50 |
0.20 |
6.00 |
1.00 |
1.00 |
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| 椭圆度 Ovality(%) |
70-75% |
30%Tol |
30%Tol |
30%Tol |
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| 表面粗糙度 Roughness(um) |
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Ra3.2 |
Ra1.6 |
Ra0.8 |
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Ra1.6 |
Ra1.6 |
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