Knowledge
Steel Knowledge – Page 2
Articles: 26
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316 Stainless Steel: Composition, Properties and Uses
Learn what 316 stainless steel is, its composition and molybdenum content, properties, 316L differences, corrosion limits, magnetism and common uses.
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Sheet Metal Gauge vs Thickness: What Gauge Actually Means
Learn what sheet-metal gauge actually represents, why higher gauge numbers usually mean thinner sheet, why the same gauge can have different thicknesses, and when to specify decimal thickness instead.
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Steel Sheet Thickness and Tolerances Explained
Understand nominal versus actual steel sheet thickness, tolerance ranges, BMT and coated thickness, and how the applicable standard affects acceptance.
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Does Stainless Steel Rust?
Stainless steel can rust when its passive film breaks down. Learn how chlorides, crevices, contamination and grade choice affect 304 and 316.
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Steel Density: Carbon, Stainless & Alloy Steel
Find typical densities for carbon, stainless and alloy steel in kg/m³, g/cm³ and lb/in³, with grade examples and practical weight formulas.
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Galvanized vs Galvalume
Compare zinc and 55% Al-Zn coatings for corrosion, cut edges, forming, paint and roofing, with specific exposure limits and designation context.
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What is Galvalume steel?
Understand Galvalume chemistry, production and corrosion mechanisms, its trademark, PPGL, and current ASTM A792 Type 1 and Type 2 scope.
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What is galvanizing?
Learn how zinc is applied through batch hot-dip, continuous sheet and electrolytic processes, and how the coating protects exposed steel.