# Product Overview

**AÇO CALC PRO** is a professional structural steel engineering calculation platform designed for Brazilian engineers and construction professionals.

## Purpose

A comprehensive web-based tool for structural steel calculations, material selection, welding analysis, and cost estimation. The application provides technical calculations following Brazilian (NBR), American (ASTM/AWS), and European (EN) standards.

## Key Features

- **Materials Analysis**: CEV calculations, steel selection, international equivalencies, material comparisons
- **Connections**: Bolted connections, drilling layouts, bolt vs weld comparisons
- **Welding**: Preheat calculations, fillet weld design, heat input analysis, electrode consumption
- **Testing**: Hardness conversion, Charpy analysis, certificate checklists, ultrasound interpretation
- **Coating**: Paint area calculations, consumption estimates, galvanization analysis, cost estimation
- **Budgeting**: Detailed cost estimation, weight and rigging calculations, technical references

## Target Users

Structural engineers, welding engineers, construction managers, and technical professionals working with steel structures in Brazil.

## Language

Portuguese (pt-BR) - All UI, calculations, and documentation are in Brazilian Portuguese.