Flanges & Gaskets
ASTM A193 B7 / A194 2H Stud Bolt Set
High-strength alloy stud bolt set for flange connections. B7 studs + 2H heavy hex nuts, hot-dip galvanized or plain.
Origin: Made in China
Lead Time: 15–30 days
Payment: T/T · L/C
CLASS CERTIFICATES — ISSUED TO THE MANUFACTURER:
CCS
BV
ABS
Supplied where the vessel's class requires it. The approval is held by the manufacturer and the certificate is passed to the buyer with the goods.
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Full Specifications
| Standard | ASTM A193 B7 / A194 2H |
|---|---|
| Type | Stud Bolt + Heavy Hex Nut |
| Size Range | M12 – M64 |
| Pressure Class | Tensile ≥860 MPa |
| Face Type | Plain / Zinc / HDG / PTFE |
| Certificate | EN 10204 3.1 |
| Classification | ASTM / ASME |
| HS Code | 7318.15 |
Description
Hicool supplies ASTM A193 Grade B7 alloy steel stud bolts with ASTM A194 Grade 2H heavy hex nuts for pressure flange connections per ASME B16.5 and B16.47. Grade B7 (chromium-molybdenum steel) provides high tensile strength across a wide temperature range. Fully threaded studs per ASME B16.5 Appendix E. Studs available in plain, zinc-plated, hot-dip galvanized, or PTFE-coated finishes. Dimensional and mechanical property MTRs provided. Sets supplied to match flange class and size. NACE MR0175 compliance available for sour service.