아이시 4340 패스너

  • ASTM A320 Grade L43 AISI 4340 low temperature stud bolts

    ASTM A320 L43 저온 스터드 볼트

    ASTM A320 Grade L43 high-strength low-temperature alloy-steel stud bolts, commonly based on AISI 4340 화학, with specified impact testing and documentation.