高强度螺栓完整指南，涵盖8.8、10.9和12.9等级。了解力学性能、正确选型及非洲建筑结构工业紧固应用。
What Are High Tensile Bolts?
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Understanding the Grade System
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| Grade | Tensile Strength | Proof Stress | Yield Strength |
|---|---|---|---|
| 8.8 | 800 N/mm² | 640 N/mm² | 640 N/mm² |
| 10.9 | 1000 N/mm² | 900 N/mm² | 940 N/mm² |
| 12.9 | 1200 N/mm² | 1080 N/mm² | 1152 N/mm² |
Grade Selection by Application
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How to Identify High Tensile Bolts
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African Infrastructure Applications
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常见问题
See frequently asked questions below.
What are Technical Guide and how are they used?
Technical Guide are essential components in construction and manufacturing. Proper selection depends on load requirements, environmental conditions, and material compatibility.
How do I choose the right fastener for my project?
Consider the material being fastened, load requirements, environmental exposure, and applicable standards. Consult with a professional if unsure about specifications.
What materials are available for these fasteners?
Common materials include carbon steel, stainless steel, alloy steel, and specialty alloys. Each offers different strength, corrosion resistance, and cost characteristics.
Do you offer custom manufacturing?
Yes, we offer custom fastener manufacturing to spec. Contact our sales team with your requirements for pricing and lead times.
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