Alloy Structural Steel-38CrA
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Alloy Structural Steel
Grade：
38CrA、5140Standards and Technical Conditions：
GJB 1951、GJB 1220A
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Product Characteristics
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38CrA is a medium-carbon quenched and tempered alloy steel. After quenching-and-tempering treatment, this grade features good mechanical properties, good low-temperature impact toughness, low notch sensitivity, and fairly good cutting-machining performance. However, this grade has low hardenability, and poor properties in cold deformation, plasticity and welding.
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Industrial Application
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Generally, it is used for manufacturing bolts, connecting parts and other fasteners bearing medium and low loads.
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Company Product Applications
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38CrA is a widely-used alloy steel in the fastener industry, mainly applied in the national standards and aviation standards. The products include bolts, screws, nuts, washers, pins and non-standard parts.
Common Delivery Condition
Standard Heat Treatment Procedure
Main Specifications
Delivery Condition
Bars are annealed or tempered, and supplied after grinding or turning.
Chemical Composition
Mechanical Properties
