Complaint
| Product name | Large hex head high strength bolt for steel structures |
| Standard | GB/T 1228-1231 |
| Available specs. | ASTM A325M, ASTMA325, A490,AS1252, JISB1186 F10T, DIN6914,DIN931/933,EN14399-3 |
| Grade | 10.9 /8.8 |
| Dia. | M12-M36 |
| Length | 40-300mm |
| Materials: | Alloy steel---40Cr / 35CrMo, 42CrMo,35VB; Carbon steel:20MnTiB |
| Available finish | Dacromet, black oxide, phosphating, electronic galvanized,ect. |
| Bolt Set | set= 1 bolt + 1 Nut + 2washers |
| Head marking | HYZ+10.9S/8.8S or customers' brand + 10.9S/8.8S |
| Packing | Carton and wooden pallet or wooden case; barrel+wooden pallet |
| Certification: | FPC BC1, SGS,BV,ISO9001, 3.1 cert. |
| 1.Class of bolt, nut and washer |
| Components | Bolt | Nut | Washer |
| Class | 10.9S | 10H | 35HRC~45HRC |
| 8.8S | 8H | 35HRC~45HRC |
| 2. Mechanical properties of Bolt: |
| Properties | Yield strength N/mm2 (kgf/mm2) | Tensile strength N/mm2 (kgf/mm2) | Elongation % | Reduction of area % |
10.9S | 940 | 1040~1240 | ≥ 10 | ≥ 42 |
| 8.8S | 660 | 830~1030 | ≥ 12 | ≥ 45 |
| 1. FACTORY WORKSHOPS: |
| 2.CORE PRODUCTS: |
| 3.CERTIFICATION AND HONORS: |
| 4.Our Related projects: |
| 5. Brand business Partner: |
