ASTM A320 L7M Stud bolt HDG Hot Dip Glavanized
ASTM A320 L7M Stud bolt HDG Hot Dip Glavanized Hext nuts manufacturer in China
ASTM A320Material and Grade (L7M):Enhanced toughness and ductility are required for temperatures as low as -150°F (-101°C).
L7M refers to alloy steel used in stud bolts per ASTM A320, designed for cryogenic and low-temperature applications.
Typical material includes chromium-molybdenum steel (4140 )
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