ASTM A325 A490M EN 14399 F3125M Heavy Hex Structural Bolts HDG F3393M Class G Coating Geomet For Steel Bridge Project
ASTM A325 A490M EN 14399 F3125M Heavy Hex Structural Bolts For Steel Bridge Project
HDG Hot-Dip Galvanized
Steel Bridge Projects
✅ Meets ASTM A325 / A490M / EN 14399 / F3125M
Heavy Hex Structural Bolts engineered for demanding steel bridge and heavy steel structure connections. Featuring F3393M Class G coating system combined with Hot-Dip Galvanized (HDG) process, delivering exceptional corrosion resistance and tensile strength. Compliant with international bridge engineering standards. Ideal for bridge construction, high-rise steel frames, and heavy machinery connections.
🧪 Coating: F3393M Class G (HDG)
📐 Sizes: M12 – M36 (Metric / Inch)
🏗️ Applications: Steel Bridges, Wind Power, Heavy Steel
📋 Standards & Performance
- ASTM A325 Structural Bolts (Type 1, 2, 3)
- ASTM A490M High-Strength Alloy Steel Bolts
- EN 14399 European Standard High-Strength Structural Bolts
- F3125M US Standard Heavy Hex Head Bolts
- F3393M Class G Special Coating System (HDG)
- Tensile Strength: 830 MPa – 1040 MPa (depending on grade)
- Hardness: HRC 33 – 39 (A490M / Grade 10.9)
⚡ Coating Advantages · HDG
- F3393M Class G advanced coating system
- Hot-Dip Galvanized (HDG) thickness ≥ 85µm
- Salt spray resistance > 1000 hours (ASTM B117)
- Excellent adhesion and impact resistance
- Suitable for outdoor / marine environment bridge projects
- Conforms to SSPC / ISO 1461
- Reduces hydrogen embrittlement risk, ensures structural safety
📏 Product Specifications / Technical Data
#ASTM A325 HDG
#A490M HighStrength
#EN14399 Fasteners
#F3125M HeavyHex
#F3393M ClassG
#BridgeProjectFasteners
#HDGCoatedBolts
#HeavySteelConnectors
#CorrosionResistantBolts
🌉 Engineered for Steel Bridge Projects · Meets International Standards
Our Heavy Hex Structural Bolts are widely used in highway bridges, railway bridges, large stadiums, offshore platforms. Full certification documentation for ASTM A325/A490M/EN 14399/F3125M and F3393M Class G HDG coating reports available. Every bolt is manufactured to the highest quality requirements.
📌 Third-party testing, batch traceability, and custom project services available.
ASTM A325 · A490M · EN 14399 · F3125M · F3393M Class G · HDG

