ISO Certified Stainless Steel U Bolt Supplier | Heavy-Duty U Bolts for Pipeline & Construction
ISO Certified Stainless Steel U Bolt Supplier | Heavy-Duty U Bolts for Pipeline & Construction
U bolts are very common in construction and automobile manufacturing. U bolt manufacturers are made of strong and durable materials. And you can customize different materials and sizes. U bolts can be made of many different materials. Common ones are carbon steel U bolts and stainless steel U bolts. Stainless steel is strong and durable and can carry heavy pressure.
stainless u bolts specifications and dimensions table
| Pipe outer diameter Da (mm) | Bending radius R (mm) | Thread specification d | Total length (mm) | U-shaped opening width a (mm) | Leg spacing b (mm) | Threaded section length m (mm) |
|---|---|---|---|---|---|---|
| 14 | 8 | M6 | 98 | 33 | 22 | 22 |
| 18 | 10 | M10 | 108 | 35 | 26 | - |
| 22 | 12 | M10 | 135 | 42 | 28 | 34 |
| 25 | 14 | M10 | 143 | 44 | 38 | - |
| 33 | 18 | M10 | 160 | 48 | 46 | - |
| 38 | 20 | M12 | 192 | 55 | 32 | 52 |
| 42 | 22 | M12 | 202 | 57 | 56 | - |
| 45 | 24 | M12 | 210 | 59 | 60 | - |
| 48 | 25 | M12 | 220 | 60 | 62 | - |
| 51 | 27 | M12 | 225 | 62 | 66 | - |
| 57 | 31 | M12 | 240 | 66 | 74 | - |
| 60 | 32 | M12 | 250 | 67 | 76 | - |
| 76 | 40 | M12 | 289 | 75 | 92 | - |
| 83 | 43 | M12 | 310 | 78 | 98 | - |
| 89 | 46 | M12 | 325 | 81 | 104 | - |
| 102 | 53 | M16 | 365 | 93 | 38 | 122 |
| 108 | 56 | M16 | 390 | 96 | - | - |
| 114 | 59 | M16 | 405 | 99 | - | - |
| 133 | 69 | M16 | 450 | 108 | - | - |
| 140 | 72 | M16 | 470 | 112 | - | - |
| 159 | 82 | M16 | 520 | 122 | - | - |
| 165 | 85 | M16 | 538 | 125 | - | - |
| 219 | 112 | M16 | 680 | 152 | - | - |
Common Material Choices for Stainless Steel U Bolts
304 Stainless Steel (e.g., SUS304/06Cr19Ni10): The most commonly used material, offering good corrosion resistance. Suitable for most general environments, such as food processing machinery, doors and windows, general chemical equipment, and humid environments.
316 Stainless Steel (e.g., SUS316/06Cr17Ni12Mo2): Due to the presence of molybdenum (Mo), it has stronger resistance to acid, alkali, and salt spray (e.g., seawater, chemical plants) corrosion. Suitable for more demanding corrosive environments, such as coastal facilities and chemical pipelines.
Generally, you can follow the sequence of “determine pipe diameter → select material → verify standards → procure matching components” when making your purchase.
If you can provide the specific application scenario (for example, whether it’s for outdoor water pipes, chemical plant pipelines, or mechanical equipment), I can provide more specific material and specification recommendations.
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