Is Steel Magnetic? Which Steels Stick to a Magnet and Which Don’t
Is steel magnetic? Most steel is, but some stainless and manganese grades are not. See why, which types stick to a magnet, and how heat and cold work matter.
Materials
What Is Sheet Metal? Types, Gauges and Uses Explained
What sheet metal is, how it is made and measured, gauge thickness chart, main types with their ASTM specs, and where each is used in building and industry.
Can You Paint a Metal Roof? Yes, Here’s How to Make It Last
Yes, you can paint a metal roof. Learn the prep that stops peeling, which primer and paint suit galvanized, Galvalume and painted panels, plus safety tips.
Black Steel Pipe: What It Is, Where It’s Used and Black vs Galvanized
What black steel pipe is, the ASTM A53 specs behind it, Schedule 40 and 80 sizes and weights, gas and sprinkler uses, and how it compares with galvanized pipe.
AR500 Steel: What It Is, How Hard It Is and How It Compares to A36
AR500 steel explained: what the name means, published hardness and strength, AR500 vs A36 and other AR grades, plate weights, and tips for cutting and welding.
Iron vs Steel: What’s the Difference and Which Is Stronger?
Iron vs steel explained: carbon content, cast and wrought iron vs steel, which is stronger, which rusts faster, and why every modern beam is made of steel.
What Is Galvalume? Coating, Lifespan vs Galvanized, and Limits
What is Galvalume? The 55% aluminum-zinc coating explained: why it resists rust, Galvalume vs galvanized test data, AZ50-AZ60 grades and where to avoid it.
Does Stainless Steel Rust? Why It Happens and How to Stop It
Stainless steel can rust. Learn the four real causes, from chloride pitting to iron contamination, how to remove the stains, and how to keep 304 and 316 clean.
Density of Steel in lb/in³, lb/ft³ and kg/m³ (With Weight Formula)
Density of steel: 0.2836 lb/in³, 490 lb/ft³, 7,850 kg/m³. Values for carbon and stainless grades, plus the formula for the weight of beams, bar and plate.
Carbon Steel vs Stainless Steel: Key Differences, Cost and Uses
Carbon steel vs stainless steel compared: how chromium changes rust resistance, strength, welding, cost and design codes, and which to use for each job.