高圧ボルト締め
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ASTM A193 B7 スタッドボルト、A194 2H ナット付き
ASTM A193 Grade B7 quenched-and-tempered alloy-steel stud bolts with compatible ASTM A194 Grade 2H heavy hex nuts for flange joints, valves and pressure equipment.
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ASTM A193 グレード B7 合金鋼重い六角ボルト
ASTM A193 Grade B7 alloy steel heavy hex bolts are quenched-and-tempered chromium-molybdenum fasteners widely specified for high-pressure, elevated-temperature and special-purpose industrial bolted joints.