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Flanged Joints

Stud Bolts

Stud bolts with 2 heavy hexagonal steel nuts for flanges to ASME and EN specifications in carbon, alloy, stainless, nickel-alloys, either coated (HDG, Xylan, Xylar) or uncoated.


We supply a complete range of stud bolts for flanges (threaded rod + 2 heavy hex steel nuts). Our stud bolts find application in the oil&gas, power generation, chemical industries:

  • Size range: from 1/4” (M6) to 7” (M180), any length (in inches or mm) to suit ASME B16.5/B16.47 and EN 1092-1 flange (according to the flange bolting chart)
  • Specifications: imperial (ASME B16.5) and metric
  • Threaded rod materials
    • ASTM A193 (high temperature): B5, B6, B6, B7, B7M, B8, B8M, B16
    • ASTM A320 (low temperature): L7, L7M, L43, B8, B8M
    • ASTM A453 Gr. 660A/B/C/D
    • Duplex, Super Duplex (UNS 32760 ASTM A182 F51, F53/F55)
    • Nickel Alloys (Inconel 600/625/718, Incoloy, Hastelloy, Monel)
  • Hex. steel nuts materials
    • ASTM A194: 2H, 2HM, 7M , 3, 4, 7, 16, 6, 6F, 8, 8C, 8M, 8T, 8F, 8P, 8N, 8MN, 8LN, 8MLN, 8MLCuN,9C, 8A, 8CA, 8MA, 8TA, 8FA, 8PA, 8NA, 8MNA, 8LNA, 8MLNA, 8MLCuNA, 8R, 8RA, 8S, 8SA
    • Duplex, Super Duplex (UNS 32760 ASTM A182 F51, F53/F55)
    • Nickel Alloys (Inconel, Incoloy, Hastelloy, Monel)
  • Coatings
    • Hot-Dip Galvanization (ASTM A153, ISO 1461, UNI 3740, BS 729)
    • Electro Zinc Plating (UNI 4721, ASTM B633)
    • PTFE (Fluorocarbon Coating): Xylan 1070, Xylan 1024 Blue/Green/Red/Yellow
    • Ceramic Filled Fluorocarbon Coating: Xylar 1/2 and Xylan 1070
    • Electroless Nickel Plating (ASTM B733)
    • Nickel Plating (ASTM B689)
    • Electro NickelZinc Plating (ASTM B841)
    • Silver Plating (ASTM B254, B700)
    • Pickling & Passivation (ASTM A380)
    • GEOMET 321 o 500 (ASTM F1136)

Downloads

PDF ICONStud Bolts for Flanges

  • Tags

    ASME B16.5, bolts and nuts, flange bolting chart, flanged joints, stud bolts for flanges

  • Size Range:

    1/4" to 7" (M6-M180) - Any length

  • Materials:

    Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Nickel Alloys, Titanium, Zirconium

  • Origins:

    Italy, Spain

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Technical Info
Stud bolts for flanges Steel nuts A194 2H

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