MetalsAlloy
What Metals and Machining Methods Are Food-Safe for Parts Like Cookie Cutters?
Learn which metals and machining methods are safe for food contact, ideal for cookie cutters and utensils. Compare materials and best post-machining steps.
Metal & Alloy Properties, Comparisons & Guides
Browse metal and alloy grades, explore composition and property data, and find straightforward answers to questions about material differences, selection, and applications.
Materials Database
Browse Materials →Browse metals and alloys by material family to explore grades, chemical compositions, mechanical properties, and common applications.
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Material Property Tables
View All Property Tables →Explore reference tables for the physical, mechanical, thermal, and electrical properties of metals and alloys.
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Learn
View All Learn →Practical guides to metal selection, machining, fabrication, and common material problems.
How Much Stock Should You Leave on 4340 Steel Shafts Before Heat Treating?
Learn the recommended stock allowance for 4340 steel before heat treating. Covers OD, shaft, and grinding allowances, plus machining tips and distortion factors.
How Do You Heat Treat and Nitride 4340 Steel Shafts for Replacement?
Learn the best steps for heat treating and nitriding 4340 steel shafts. Improve wear resistance and durability for high-load applications.