Knowledge
Steel Knowledge
Explore steel materials and properties, metallic coatings, corrosion mechanisms, comparisons, dimensions, processing, pipe and tube, stainless steel and grades.
Articles: 26
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Knowledge · Explanation
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.
Knowledge · Explanation
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.
Knowledge · Explanation
What is galvanizing?
Learn how zinc is applied through batch hot-dip, continuous sheet and electrolytic processes, and how the coating protects exposed steel.
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Modulus of Elasticity of Steel
Understand steel Young’s modulus, units, strength versus stiffness, temperature effects, ASTM E111 and worked axial and beam-deflection examples.
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Steel Hardness Explained
Understand steel hardness, how Brinell, Rockwell and Vickers tests differ, what changes a reading, and how to interpret hardness conversions with proper scope.
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Austenitic vs Ferritic vs Martensitic Stainless Steel
Compare austenitic, ferritic and martensitic stainless steel by microstructure, magnetism, heat treatment, corrosion, fabrication and typical uses.
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What Is HSLA Steel?
Understand high-strength low-alloy steel, how HSLA gains strength, common grade families, fabrication trade-offs, and what to specify when ordering.
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Weathering Steel (Corten) Explained: Patina, Grades and Limits
Understand weathering steel and COR-TEN, how patina develops, the scope of major standards, and the exposure, detailing and maintenance limits of bare use.
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S275 vs S355 Steel
Compare EN 10025-2 S275 and S355 using scoped plate strength values, thickness bands, JR/J0/J2 impact qualities, fabrication factors and ordering checks.
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ASTM A36 Steel: Properties, Composition and Specification Guide
ASTM A36/A36M scope, strength, chemistry context, product forms and certificate checks for structural steel.
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Melting Point of Steel: Solidus, Liquidus and Typical Ranges
Steel melting temperatures vary by chemistry. Compare solidus and liquidus, selected stainless grade ranges, and limits for process or service use.
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Tensile Strength of Steel Explained
Understand steel tensile strength and UTS, how a tensile test determines the maximum engineering stress, and how to read the value in specifications and mill certificates.
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Yield Strength of Steel Explained
Understand steel yield strength, yield point and 0.2% proof strength, how tensile tests report them, and how to use the value in specifications and design.
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Does Stainless Steel Tarnish?
Diagnose stainless-steel discoloration by distinguishing deposits, tea staining, weld heat tint, iron contamination and localized corrosion.
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Sheet Metal Fabrication Explained: From Flat Sheet to Finished Part
Understand the sheet metal fabrication workflow from material and cutting through bending, joining, finishing and inspection, with the controls that connect each stage.
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Does Galvanized Steel Rust? White Rust, Red Rust, and Zinc Protection
Galvanized steel can develop red rust after local zinc protection is depleted. Learn to distinguish white zinc corrosion, transferred stains and substrate rust.
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Hot Rolled vs Cold Rolled Steel: Process, Surface, Tolerances, and Uses
Compare hot-rolled and cold-rolled steel by process, surface, dimensional control, mechanical response and practical uses.
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Carbon Steel vs Stainless Steel: What Actually Changes?
Compare carbon steel and stainless steel by corrosion resistance, grade-specific strength, fabrication, thermal properties and life-cycle cost.
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304 vs 316 Stainless Steel: Which Grade Should You Choose?
Compare 304 and 316 stainless steel by composition, chloride corrosion resistance, cost, welding and service environment to choose the right grade.
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Is Stainless Steel Magnetic?
Some stainless steels are strongly magnetic while annealed austenitic grades such as 304 and 316 usually have low magnetic response. Learn why forming and welding can change it.
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304 Stainless Steel: Composition, Properties and Uses
Learn what 304 stainless steel is, its composition, properties, 304L differences, corrosion limits, magnetic behavior and common uses.