CoreMetal Technical Team

Steel Pipe End Types: Plain, Beveled, Threaded Explained When ordering steel pipes for construction, oil & gas, or industrial projects, one critical specification is often overlooked: the pipe end type. The end finish affects how pipes connect, seal, and perform under pressure. This guide breaks down the three main steel pipe end types and helps […]

Copper vs Aluminum Busbar: Which Is Better? Busbars carry current between transformers, switchgear, and distribution panels. Copper and aluminum each have distinct advantages impacting conductivity, cost, weight, and maintenance. Conductivity Copper has 61% higher conductivity than aluminum (IACS: Cu=100%, Al=61%). Same current rating requires 1.6x more aluminum cross-section. But aluminum weighs only 50% of equivalent

Aluminum Foil Thickness Guide: Household vs Commercial vs Industrial Aluminum foil ranges from 6-micron household wrap to 200-micron industrial foil. Thickness determines strength, barrier properties, and suitability. This guide covers the full spectrum. Household Foil: 6-20 Microns Standard foil is 10-12 microns for food wrapping and light grilling. Heavy-duty at 15-20 microns offers better puncture

Steel Sheet vs Steel Plate: What Is the Difference? Steel sheet and steel plate are often used interchangeably but refer to different products with distinct manufacturing, applications, and pricing. Understanding the difference ensures correct specification. The Thickness Boundary Sheet is below 6mm thickness; plate is 6mm and above. 6mm (3/16 inch) is the standard threshold.

Nickel Alloy vs Stainless Steel: When to Use Which When designing for extreme environments, engineers face a critical choice: nickel alloy or stainless steel? Stainless handles most environments at moderate cost, while nickel alloys perform where stainless would fail. Stainless Steel: The Workhorse 300 series stainless offers excellent corrosion resistance through chromium oxide layer. 304

Carbon Steel Pipe Fittings: Types, Standards & Applications Carbon steel pipe fittings are the backbone of industrial piping systems. Understanding types, grades, and standards ensures reliable performance throughout the system design life. Types of Fittings Elbows (90 and 45 degrees) for direction change; Tees (equal/reducing) for branching; Reducers (concentric/eccentric) for diameter transitions; Caps for pipe

Galvanized Steel Spangle: Regular vs Minimized vs Zero Spangle is the visible zinc crystal formation on hot-dip galvanized steel. Spangle size affects appearance, paint adhesion, and surface quality. Understanding regular, minimized, and zero spangle helps you specify the right finish. What Is Spangle? Spangle forms when molten zinc solidifies on steel. Crystal size depends on

Steel Coil Weight Calculator: Formula, Chart & Examples Accurately calculating steel coil weight is essential for logistics planning, cost estimation, and load optimization. This guide provides formulas, reference charts, and worked examples for all common steel types. The Basic Formula Weight (kg) = Width (m) x Thickness (mm) x Length (m) x Density (kg/m3) /

Stainless Steel Passivation: Process, Benefits & Standards Passivation is the final critical step in stainless steel fabrication that restores corrosion resistance. It removes free iron contaminants and accelerates chromium oxide layer formation. This guide explains why passivation matters, how it works, and which standards to follow. Why Stainless Steel Needs Passivation Stainless steel owes its