ASTM A193 Bolts comply with national standards for fasteners and ideal for high-temperature, high-pressure or other special-purpose environments and application. ASTM A193 is standard bolt made of either stainless steel or steel alloy. This ASTM A193 Fasteners specification use in pressure vessels, valves, flanges, and fittings. They widely use with a fastener which has equivalent standard or grade. ASTM A193 Bolts are available in a variety of materials, grades, size, design, finishing and many other specifications. ASTM A193 available in many grades, all of them have unique characteristics and features. Various A193 grades are suitable for different applications and projects. This American standard ASTM A193 can use in traditional applications.
We also offer ASTM A193 specification American fasteners including bars, bolts, screws, studs, stud-bolts and wires. For custom ASTM A193 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 A193 grades.
| Grade | Description |
|---|---|
| B7 | Alloy steel, AISI 4140/4142 quenched and tempered |
| B8 | Class 1 Stainless steel, AISI 304, carbide solution treated |
| B8M | Class 1 Stainless steel, AISI 316, carbide solution treated |
| B8 | Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened |
| B8M | Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened |
| Bolt Grade | Nuts | Washers |
|---|---|---|
| B7 | A194 Grade 2H | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8 | SS304 |