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.
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What Is a Rafter? Parts, Types, Spans and How It Differs From a Truss
What is a rafter? The sloped roof member from ridge to wall. Learn rafter parts and cuts, types, ties vs ridge beams, how spans are read, and rafter vs truss.
How to Cut Rebar: 6 Methods Compared, Step by Step and Safely
How to cut rebar with a grinder, rebar cutter, chop saw, recip saw or torch. Compare methods, follow a clean step-by-step cut, and cap ends to meet OSHA rules.
Flux Core Welding: How It Works, Polarity, Wire Types and Technique
Flux core welding explained: self-shielded vs gas-shielded wire, why DCEN polarity matters, reading E71T-11 labels, drag angle, stickout and use on structural steel.
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.
How to Cut Sheet Metal: The Right Tool for Every Thickness
How to cut sheet metal with snips, shears, nibblers, saws or plasma: which tool suits each thickness, step-by-step technique and how to protect cut edges.
What Is Structural Steel? Shapes, Grades and Uses Explained
Structural steel is steel made in standard shapes to a published grade like ASTM A992 or A36. See the main shapes, grades, sizes and how it is used today.
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.