フランジスタッドボルト
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ASTM A193 B16 高温スタッドボルト
ASTM A193 Grade B16 chromium-molybdenum-vanadium alloy-steel stud bolts for high-temperature flange, valve and pressure-equipment bolting.
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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.