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ASTM A320 Grade L7B

ASTM A320 Grade L7B
  • Sizes in Stock: M4 to M100
  • Manufacturing Material : Alloy Steel
  • Elements : Molybdenum, Chromium, Manganese
  • Germany Standards : DIN 939 Stud Bolt
  • Uses: Nuclear Power Plants
  • Coating : Teflon & Xylon Coating
  • Environments : High Stress Environments
  • Grade : AISI 4137
  • Sizes Can Be Manufacture: Up to M150
  • Test : Positive Material Identification
  • Steel Type : Chromium Molybdenum
  • Origin : Made in India
  • Certificate : Third Party Inspection Report
  • Production Capacity : 150 Tons/Month

ASME SA320 Gr L7B Stud Bolts in Size Ranging From M6 to M120

ASTM A320 grade L7B material is known for its good tensile strength and resistance to low temperature. Grade L7B stud bolts are made from high strength alloy steel. A320 Gr L7B bolts are with 105 ksi minimum yield strength and 125 ksi minimum tensile strength.



Supplied in April 23, 2024


Westlake Chemical

Westlake Chemical

PTT Global Chemical

PTT Global Chemical

ASTM A320 Grade L7B Specification


 Size In Ready Stock

Size In Ready Stock

  • A320 Grade L7B Stud Bolts = M6 To M120
Threads of L7B Stud Bolts

Threads of L7B Stud Bolts

  • Double End, Fully or Fine Threaded
  Manufacturing Way

Manufacturing Way

  • Hot forging
  • CNC Machine
  • Cold forging
Characteristics

Characteristics

  • Good Strength
  • Heat Treatability
  • High Tensile Strength
  Inspection Plan

Inspection Plan

  • UT Test
  • Magnetic Particle Inspection
  • DPI Testing
Use For

Use For

  • Machine Components
  • Construction
  • Heavy Duty Equipment
  Available Packaging

Available Packaging

  • Wooden Cases
  • Carton Box
  • Custom
Origin of Raw Material

Origin of Raw Material

  • Janpanese
  • German
  • European


Buy A320 Grade L7B Hex Bolts From Trusted Manufacturer in India

Dalloyed Fasteners is the best leading high-quality ASTM A320 Grade L7B stud bolts manufacturer in India. We have different types of a320 gr.L7B hex bolts that are in ready stock for export. Supplier a wide range of L7B stud bolts which are commonly used in nuclear power plants installations.


Installations of ASTM A320 Grade L7B Stud Bolts


Installations of ASTM A320 Grade L7B Stud Bolts

A320 Grade L7B Bolt Chemical Composition


  A320 Grade L7B Bolt Chemical Composition

  • P (Phosphorus) = 0.035% (Max.)
  • Si (Silicon) = 0.015 - 0.35%
  • Mn (Manganese) = 0.70 - 0.90%
  A320 Grade L7B Bolt Chemical Composition

  • S (Sulfur) = 0.040% (Max.)
  • Mo (Molybdenum) = 0.15 - 0.25%
  • C (Carbon) = 0.35 - 0.40% (Max.)


ASME SA320 Gr.L7B All Thread Rods Testing Requirements


ASME SA320 Gr.L7B All Thread Rods Testing Requirements

ASTM A320 Grade L7B Tensile Strength


Tensile strength of A320 Grade L7B stud bolts is 125 ksi (860 MPa)

Equivalent of A320 Grade L7B Material


American (UNS)

American (UNS)

  USA (Werkstoff No)

USA (Werkstoff No)

ASME SA320 Grade L7B Studs Yield Strength


Yield strength of ASTM A320 Grade L7B studs is 105 ksi (725 MPa)

A320 L7B Hex Bolts Mechanical Properties


Grade ASTM A320 Grade L7B
Elongation in 2" 16% (min.)
Reduction of Area 50%v (min.)
Hardness 321 HBW (max.)

Types Of ASTM A320 L7B Stud Bolts



ASTM A320 Grade L7B Full Threaded Stud Bolts

ASTM A320 Grade L7B Full Threaded Stud Bolts

A320 Grade L7B Tap End Stud Bolts

A320 Grade L7B Tap End Stud Bolts

Grade L7B Double End Stud Bolts

Grade L7B Double End Stud Bolts

L7B Reduced Shank Stud Bolts

L7B Reduced Shank Stud Bolts

SA 320 Grade L7B Weld Studs Bolts

SA 320 Grade L7B Weld Studs Bolts

ASME SA320 Gr L7B Threaded Studs

ASME SA320 Gr L7B Threaded Studs