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ASTM A513 8620 is a low-alloy nickel-chromium-molybdenum steel mechanical tubing widely used for applications that require high strength, wear resistance, and excellent case-hardening capability. This grade is known for its ability to develop a hard, wear-resistant surface while maintaining a tough and ductile core, making it ideal for components subjected to heavy loads and repeated stress.
ASTM A513 is the standard specification that covers electric-resistance-welded (ERW) mechanical tubing, which is commonly used in engineering and industrial applications where dimensional accuracy and mechanical strength are critical. ASTM A513 Grade 8620 tubing is produced using manufacturing processes such as ERW and Drawn Over Mandrel (DOM) to achieve excellent dimensional precision and a uniform grain structure.













