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Steel, Bars, Forgings, and Tubing 4.1Cr - 3.4Ni - 4.2Mo - 1.2V (0.11 - 0.15C) Premium Aircraft-Quality for Bearing Applications Double Vacuum Melted
Steel Bars, Forgings, and Tubing 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640)
Steel Bars, Forgings, and Tubing 0.65Cr - 0.70Ni - 0.25Mo (0.38 - 0.43C) (8740 Modified)
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