4140 Special Valve Shaft

A. Material: Astm4140 has the advantages of high strength, high hardenability, good toughness and small deformation during quenching B. Blank shape: Round steel, forging C. Heat treatment: Quenching + tempering…

420 Special Valve Shaft

A. Material: Astm420 has high abrasion resistance, corrosion resistance and hardness B. Blank shape: Round steel, forging C. Heat treatment: Quenching + tempering D. Purpose: Used in various industries of…

410 Special Valve Shaft

A. Material: Astm410 is characterized by good corrosion resistance, machined type and high strength B. Blank shape: Round steel, forging C. Heat treatment: Quenching + tempering D. Purpose: Used in…

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