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Production, Supply, Stock Range of ASTM A325 Bolts
Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength.
ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from 1⁄2 to 1-1⁄2 in diameter. The equivalent metric standard is ASTM A325M, which is titled Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength. It defines mechanical properties for sizes M12–36. There is also a T version, which is used to refer to fully threaded bolts. This is a standard set by the standards organization ASTM International, a voluntary standards development organizations that sets technical standards for materials, products, systems, and services.
ASTM A325 Grades and Material Class
|Type 1||Carbon Steel, Carbon Boron Steel, Alloy Steel or Alloy Boron Steel|
ASTM A325 Type 1 Chemical Composition
|Product Analysis %|
|Carbon Steel||Carbon Boron Steel||Alloy Steel||Alloy Boron Steel|
|Carbon||0.28 - 0.55||0.28 - 0.55||0.28 - 0.55||0.28 - 0.55|
|Manganese||0.57 min||0.57 min||0.57 min||0.57 min|
|Phosphorus||0.048 max||0.048 max||0.040 max||0.040 max|
|Sulfur||0.058 max||0.058 max||0.045 max||0.045 max|
|Silicon||0.13 - 0.32||0.08 - 0.32||0.13 - 0.37||0.13 - 0.37|
|Boron||--||0.0005 - 0.003||--||0.0005 - 0.003|
ASTM A325 Type 3 Chemical Composition
|Product Analysis %|
|Carbon||0.31 - 0.42||0.36 - 0.50||0.14 - 0.26||0.14 - 0.26||0.18 - 0.27||0.19 - 0.26|
|Manganese||0.86 - 1.24||0.67 - 0.93||0.76 - 1.39||0.36 - 1.24||0.56 - 1.04||0.86 - 1.24|
|Phosphorus||0.040 max||0.040 max||0.040 max||0.040 max||0.040 max||0.040 max|
|Sulfur||0.045 max||0.045 max||0.045 max||0.045 max||0.045 max||0.045 max|
|Silicon||0.13 - 0.37||0.25 - 0.55||0.13 - 0.37||0.20 - 0.55||0.13 - 0.37||0.13 - 0.37|
|Copper||0.22 - 0.48||0.17 - 0.43||0.17 - 0.53||0.27 - 0.53||0.27 - 0.63||0.17 - 0.43|
|Nickel||0.22 - 0.48||0.47 - 0.83||0.22 - 0.53||0.47 - 0.83||0.27 - 0.63||0.17 - 0.43|
|Chromium||0.42 - 0.68||0.47 - 0.83||0.27 - 0.53||0.45 - 1.05||0.55 - 0.95||0.42 - 0.68|
|Molybdenum||--||0.07 max||--||0.11 max||--||--|
ASTM A325 Mechanical Requirement (Metric)
|Nominal Diameter, mm||Tensile Strength, min, Mpa||Yield Strength, min, Mpa||Elongation in 4D, min, %||Reduction in Area, min, %|
|M12 to M36, Inclusive||830||660||14||35|
ASTM A325 Mechanical Requirement (Imperial)
|Nominal Diameter, mm||Tensile Strength, min, ksi||Yield Strength, min, ksi||Elongation in 4D, min, %||Reduction in Area, min, %|
|1/2" to 1", Inclusive||120||92||14||35|
|Over 1 to 1-1/2"||105||81||14||35|
ASTM A325 Bolts Manufacturer, ASTM A325 Bolts Supplier in India- ASME, DIN, AS, BS
Torq Bolt is a leading manufacturer and exporter of ASTM A325 Bolts in India. Our inventory includes carbon steel Structural Bolts in many grades including 12 point Bolts, threaded rod/bar, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.