Pipe Schedule Chart: Sch 40, Sch 80 and XXS Steel Pipe Sizes and Weights
Steel pipe schedule chart with OD, ID, wall thickness and weight per foot for Schedule 40, Schedule 80 and XXS, plus how to read pipe sizes without mistakes.
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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.
How to Remove Rust from Metal: Methods for Light to Heavy Rust
How to remove rust from metal by severity: wire brushing, vinegar and acid soaks, power tools and blasting, plus lead paint safety and priming bare steel fast.
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.
7018 Welding Rod: Uses, Amperage Chart and How to Store It
7018 welding rod explained: what E7018 H4R means, uses, amperage chart for 3/32 to 1/4 inch rods, weld strength, and how to store and redry low-hydrogen rods.
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.
Steel vs Aluminum: Weight, Strength, Stiffness and Cost Compared
Steel vs aluminum compared: weight, strength, stiffness, corrosion, welding and cost, with a worked 8-inch beam example showing why aluminum must be bigger.
Yield Strength of Steel: What It Means and Values by Grade
Yield strength of steel explained: what Fy means, how it differs from tensile strength, how it is tested, and minimum values for A992, A572, A500, A53 and A36.