Product Category
Fasteners
Studs, bolts, nuts and washers for flange and equipment assembly, sourced to ASTM material grades for process service.
Product Overview
Holding every connection together, to the correct grade.
Fasteners might look generic, but grade matters — the wrong stud material in a high-temperature or sour-service application is a real safety risk. AST sources fasteners to the correct ASTM grade for the service and coordinates material certificates on request.
Typical Types
Fastener Types
- Studs & bolts
- Nuts & washers
- Anchor & foundation bolts
Standards
Standards & Codes
- ASTM A193 (bolting)
- ASTM A194 (nuts)
- ASME B18.2
Materials
Available Materials
- Alloy steel (B7 / B7M)
- Stainless steel (B8 / B8M)
- Coated / galvanized options
Applications
Typical Applications
- Flange & equipment assembly
- Structural connections
- High-temperature & sour service
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