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Round Bar

Name Round Bar
Standard SAE 4140, DIN 42 CrMo4, W.NR 1.7225
Description The steel is supplied treated for HRC 26–31. Tearing force of 95–125 kg / mm3. Commonly used for axles, pins and machinery parts with strong internals. Suitable for thermal treatment and nitration.
Chemical Composition C: 0;38%–0;45%; Si: 0;4% max; Mn: 0;8%–1%; Cr: 0;8%–1;2%; Mo: 0;2%–0;3%
Size Mm 6–550 mm

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