Material Requirements for high strengt§•h bolt and accessori∏¥>£es
[ Time：2021-03-04 Click：616 ]
Commen materials for high strength bol¥&&∏t, studs, nut and washer are li♦★sted in below form. But Anyang ✔αLongteng are able to£ conduct production for otφ★€₹her materials, please send the↔↑ drawings and technical documents ₩×to our team.
Heat Treatment procedures for high ↑σ€strength bolt, stud, n∑←ut and washer should be quenching and∑✘♠ tempering(QT); Temperature for tempe>'ring should be accord↕©✘ing to GB/T 3098.1, ≠≥☆or ISO 898-1.
&nbs≤§p; &n€₽bsp; &nbs ¥ p; &nbπ↑®εsp; &™€☆®nbsp; ← φ Materialsφ€ Requirements for Bolt
| Item | Material | Standard |
| Bolt, stud Gr.10.9 | 42CrMo, 40CrNiMo, 35CrMo,35VB | GB/T 3077 |
| SCM440, SCM435 | JIS G4053 | |
| B7 | ASTM A193 | |
| Bolt, stud Gr.8.8, D✔"φφ≥16 | 42CrMo, 35CrMo,35VB | GB/T 3077 |
| SCM440, SCM435 | JIS G4053 | |
| B7 | ASTM A193 | |
| Bolt, stud Gr.8.8,✔σ♦ D＜16 | Acc.to GB/T 3098.1, ISO 898-1 | |
★•® &≤↓λ &∞¥ &nb×γsp; Material Requi €£↕rements for accessori♦• σes
| Nut Gr.10, d≥36 | 42CrMo, 35CrMo | GB/T 3077 |
| Nut Gr.10, d＜36 | 45/45K | |
| Nut Gr.8, d≥16 | 45/45K | |
| Nut Gr.8, d＜16 | Acc.to GB/T 3098.2, ISO 898-2 | |
| Washer | 45 | GB/T 699 |
