Technical Information

ASTM A320 L7M Studs, Rods & Bolts

Posted on by Paul

ASTM A320 L7M Studs, Rods & Bolts

L7M is a low-hardness variant of L7, designed for sour service (H₂S exposure).

Properties & Specifications

  • Tensile: ~100 ksi
  • NACE MR0175 compliant
  • Charpy impact tested

Applications

  • Sour gas service
  • Petrochemical plants
  • Low-temperature sour environments

FAQs

Why L7M instead of L7?
L7M prevents hydrogen embrittlement in sour service.

L7M_Fasteners_(ASTM_A320)_SPEC

Please note that this product information is intended for general reference only. Consult the applicable material specification to make sure the correct material is selected for your specific application.