ASTM A490 Structural Bolts comply with ASTM International standards for heavy structural bolts and ideal for highly corrosion resistance application or other special-purpose environments. ASTM A490 is standard Structural bolts made of either alloy steel or chromium alloy by means titanium, copper and molybdenum. This ASTM A490 standard for heavy hex structural bolt that ideal for structural connections. They widely use with a fastener which has equivalent standard or grade. ASTM A490 Structural Bolts are available in a variety of materials, grades, size, design, finishing and many other specifications. ASTM A490 available in three grades, all of them have unique characteristics and features. Various A490 grades are suitable for different applications and projects. This American standard ASTM A490 can use to support structures and industrial equipment.
We also offer ASTM A490 specification American fasteners including anchor bolts, alloy steel stud, eye bolt, shoulder bolt, square bolt and elevator bolts. For custom ASTM A490 Structural bolts, we strictly follow the client’s specification. We satisfied our customer with our services and high-quality product. Below you can see the common ASTM A490 grades.
| Grade | Description |
|---|---|
| Type 1 | Medium carbon and alloy steel |
| Type 2 | Withdrawn in 2002 |
| Type 3 | Weathering steel |
| Bolt Grade | Nuts | Washers |
|---|---|---|
| Type 1 | A563DH | F436-1 |
| Type 2 | - | - |
| Type 3 | A563DH3 | F436-3 |