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What is 4140/4145 Mod Steel Spec: 125 KSI YS about?

1) This specification covers 4140 Mod or 4145 Mod steel bars and tubes with a minimum yield strength of 125 KSI and hardness range of 285-340 BHN for use in subsea testing equipment. 2) The material must meet specific chemical composition requirements and heat treatment processes to achieve the required mechanical properties. 3) Testing is required to ensure the material meets minimum tensile strength, yield strength, elongation, reduction of area, hardness, and Charpy impact properties. Ultrasonic insp

Author

Reginaldo Santos

Language

EN