对比DIN、ANSI、GB和SABS紧固件标准——了解尺寸差异、等级等效性和国际建筑项目的合规要求。
主要紧固件标准概述
| Standard | Origin | Primary Market | Key Bolt Std | Key Nut Std |
|---|---|---|---|---|
| DIN | Germany | Europe, Africa, Middle East | DIN 931/933 | DIN 934 |
| ANSI/ASME | USA | North America, Gulf | B18.2.1 | B18.2.2 |
| GB | China | China, global supply | GB/T 5782/5783 | GB/T 6170 |
| SABS | South Africa | SADC region | SABS 135 | SABS 136 |
等级等效性与机械性能
| DIN Grade | ANSI Grade | GB Grade | Tensile (MPa) | Yield (MPa) |
|---|---|---|---|---|
| 4.6 | SAE Grade 2 | 4.6 | 400 | 240 |
| 5.6 | — | 5.6 | 500 | 300 |
| 8.8 | SAE Grade 5 | 8.8 | 800 | 640 |
| 10.9 | SAE Grade 8 | 10.9 | 1000 | 900 |
| 12.9 | — | 12.9 | 1200 | 1080 |
合规与认证要求
在南非项目中可以用DIN螺栓替代SABS螺栓吗？
仅在项目规范允许且DIN螺栓满足等效机械性能时可以。政府资助项目通常强制要求SABS认证。替换前需与项目工程师确认。
GB标准紧固件在国际项目中是否可接受？
是的，前提是满足规定的机械等级要求并附有适当的测试认证。GB/T标准日益与ISO标准对齐。务必要求MTC和测试报告。
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.
需要认证紧固件？TradeGo Fasteners供应DIN、GB和SABS认证产品。
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