
Stud Bolt ASTM A 193 B7 , Iran
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The ASTM A193 B7 stud bolt is a high-strength alloy steel double-ended fastener designed for flange connections, high-pressure pipelines, and industrial structures. Standard diameters range from M8 to M36, with overall lengths from 50 to 300 mm. Tensile strength ranges from 950 to 1150 MPa, with surface hardness of 320–380 HV. Threads are manufactured according to ASTM A193 and ISO standards, allowing high tensile and torque loads.
Bolt surfaces are heat-treated and coated galvanized or Dacromet for corrosion and wear resistance. Installation is done with ASTM A194 Grade 2H nuts and industrial washers to ensure secure and stable connections. Optimized for refineries, oil & gas pipelines, heavy machinery, and high-pressure industrial projects, it enhances service life and mechanical performance of connections.You can order and buy Stud Bolt ASTM A 193 B7 from Iran by contacting us through whatsaap and email.
WEBSITE: Stud Bolt ASTM A 193 B7 Iran
Types of ASTM A193 B7 Stud Bolts: Galvanized vs. Bare in iran
ASTM A193 B7 stud bolts are produced in two main types: galvanized and bare. Bare bolts are made of hard, high-strength alloy steel, suitable for dry or indoor environments. Galvanized bolts with a zinc coating provide high resistance to corrosion, moisture, and harsh weather, ideal for humid, industrial, and marine environments. Both types have similar mechanical strength, but galvanized bolts last several times longer in corrosive conditions. Choosing the correct type based on environmental conditions and application ensures structural safety and performance.









