420 Butterfly Valve Shaft

A. Material: ASTM 420 has high abrasion resistance, corrosion resistance and hardness B. Blank shape: Round steel C. Heat treatment: Quenching + tempering D. Purpose: Butterfly valve fittings for industrial…

410 Butterfly Valve Shaft

A. Material: ASTM 410 has high abrasion resistance, corrosion resistance and hardness B. Blank shape: Round steel C. Heat treatment: Quenching + tempering D. Purpose: Butterfly valve fittings for industrial…

420 Butterfly Valve Stem

A. Material: ASTM 420 has high abrasion resistance, corrosion resistance and hardness B. Blank shape: Round steel C. Heat treatment: Quenching + tempering D. Purpose: Butterfly valve fittings for industrial…

410 Butterfly Valve Stem

A. Material: ASTM 410 has good corrosion resistance and machinability B. Blank shape: Round steel C. Heat treatment: Quenching + tempering D. Purpose: Butterfly valve fittings for industrial and water…

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