ASTM A193 Grade B7 Alloy Steel Stud Bolts with 2H Heavy Hex Nuts
MaterialAISI 4140 Cr-Mo Heat Treated Alloy Steel
Size1/2" to 3-1/2" Diameter (Cut to Length)
ASTM A193 B7 / A194 2H· Marine & Offshore Coated Stud Bolts
PTFE Xylan 1070 Fluoropolymer Coated Flange Bolting Assembly
Offshore platforms, coastal desalination plants, marine splash zones, and subsea pipelines in the Arabian Gulf.
100% Stamped Heat Number Traceability
EN 10204 3.1 MTC Supplied
Air Cargo Eligible (24–48h Dispatch)
Technical specifications & verification parameters
| Parameter | Specification value |
|---|---|
| Design & manufacturing standard | ASTM A193 B7 / A194 2H |
| Product classification | Marine & Offshore Coated Stud Bolts |
| Material or metallurgy grade | Alloy Steel AISI 4140 with Fluoropolymer Dry Film Coating |
| Nominal size / dimension range | 5/8" to 2-1/2" Diameter |
| Class or pressure rating | -195°C to +260°C Service Temp | 1000+ Hr Salt Spray |
| Export HS Code | 73181500 |
| Country of origin | India |
| Dispatch & lead time | Dispatch from supplier stock, confirmed at quotation · Direct sea container transit (3–4 days to UAE/Oman) or priority Air Cargo dispatch (24–48h) for emergency shutdown spares. |
| Inspection & test documentation |
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Need dual-certification, cut-to-length studs, or CIF pricing for your project?
Industrial bolting supply & quality scope
ASTM A193/A194 alloy, ASTM A320 low-temperature, stainless 304/316, and marine fluoropolymer coated bolting for high-pressure flanged piping skids, heat exchangers, and offshore structures.
Manufacturing Standards
ASTM A193 (Grades B7, B8, B8M), ASTM A194 (Heavy Hex 2H, 8, 8M), ASTM A320 (L7, L7M), DIN 933, DIN 931, ISO 4017, and ASME B18.2.1 heavy hex bolts with UNC/8UN threading.
Protective Marine Coatings
PTFE Xylan 1070 blue fluoropolymer dry film coating (1000+ hr salt spray resilience), hot-dip galvanized per ASTM A153 / EN ISO 10684, and zinc-nickel electroplate for marine splash zones.
Testing & Mill Certification
EN 10204 3.1 inspection certificate with stamped heat numbers, hardness test reports (HRC 35 max for B7), Charpy V-notch impact tests at -100°C on request, and coating thickness verification (ASTM D7091).
Requisition Notes
Specify nominal bolt diameter, stud length, heavy hex nut count (typically 2 nuts per stud), washer specifications, and protective surface coating requirements for quotation.
Related products in this package
Commonly consolidated within the same shipment to Arabian Gulf ports.
DIN 933 / ISO 4017 High Tensile Hexagon Head Bolts
MaterialMedium Carbon / Low Alloy Steel Quenched & Tempered
SizeM8 to M48 Metric (Lengths up to 300mm)
ASTM A193 Grade B8M Class 2 Stainless Steel 316 Stud Bolts
MaterialAISI 316 / 316L Stainless Steel Strain Hardened
Size1/2" to 2" Diameter
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