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    ASTM A453 Grade 660 Class D Rings

    Specification

    ASTM A453 Grade 660 Solution Annealed forged & rolled Rings upto 3 meter and 4 tons in weight can be manufactured at Torqbolt . A453 Grade 660 Rolled Class D Rings are guaranteed for ultrasonic flaws and surface irregularities. A453 Grade 660 Class D Rings are manufactured both in proof machined condition and finished condition.

    Specifications
    • ASTM A453
    • ASTM A638
    • EN 10269
    • EN 10083-3
    • ISO 3506-5
    • DIN 267
    Surface Treatments
    • Xylan 1070 / 1014 / 1400 / 1424
    • Xylar 2 / 101
    • SermaGard 1105 / 1280
    • Dacromet 320 / 500
    • TakeCoat 1000 Ceramic
    • Magnigard
    • MolyKote
    Certifications
    • ISO 9001 - 2015 Certified
    • PED 2014/68/EC
    • NACE MR0175/ISO 15156-2
    • NORSOK M-650
    • DFAR
    • MERKBLATT AD 2000 W2/W7/W10