Material Requirements for Bolts, Screws, and Studs (GB/T 3098.1-2000)-
Material Requirements for Bolts, Screws, and Studs (GB/T 3098.1-2000)
2025-12-12
1. Material Requirements for Bolts, Screws, and Studs (GB/T 3098.1-2000) Performance grades, material, heat treatment, chemical composition (%), tempering temperature (℃) Performance Grade Material Heat Treatment C max P max S max Mn min Other Notes ...