Fastener Material Selection Guide:
1. Carbon Steel
- Grade 4.8: General purpose
- Grade 8.8: High strength
- Grade 10.9: Critical applications
2. Stainless Steel
- 304 (A2): Good corrosion resistance
- 316 (A4): Marine environments
Selection Criteria:
- Corrosion resistance
- Strength requirements
- Temperature range
- Cost