工程工具
免费交互式计算器、转换器和选择器，助您查找、比较和分析合金。
Material Selector
Input your requirements — strength, corrosion resistance, weight, and application — to get recommended alloys.
试一试Alloy Comparator
Compare two alloys side by side — mechanical properties, ratings, composition, and best use cases.
试一试Weldability Checker
Check if an alloy is weldable and get carbon equivalent (CE) analysis for steel grades.
试一试Corrosion Resistance Finder
Find alloys that resist specific corrosive environments — saltwater, acids, high temperature oxidation, and more.
试一试Hardness Converter
Convert between Brinell (HB), Rockwell (HRC/HRB), Vickers (HV), and approximate tensile strength using ASTM E140.
试一试Stress-Strain Calculator
Calculate engineering and true stress-strain from force, area, and elongation measurements.
试一试Thermal Expansion Calculator
Calculate dimensional change due to temperature. Input length, CTE, and temperature change.
试一试Beam Deflection Calculator
Calculate maximum deflection for simply supported and cantilever beams with common load cases.
试一试Fatigue Life Estimator
Estimate fatigue life (cycles to failure) using Basquin's equation from stress amplitude and material constants.
试一试Metal Weight Calculator
Calculate the weight of metal shapes — plate, round bar, tube, square bar, and hex bar — from dimensions and density.
试一试Carbon Equivalent Calculator
Calculate carbon equivalent (CE) for steel weldability assessment using IIW and Pcm formulas.
试一试Strength-to-Weight Calculator
Calculate specific strength (strength-to-weight ratio) for material comparison in weight-critical applications.
试一试Bolt Torque Calculator
Calculate recommended tightening torque for bolts based on size, grade, and lubrication condition.
试一试Engineering Unit Converter
Convert common engineering units: MPa to ksi, mm to inches, g/cm³ to lb/in³, and more.
试一试Metallurgical Temp Converter
Convert temperatures between °C, °F, K, and °R with color reference for steel heat treatment.
试一试Density Converter
Convert density between g/cm³, kg/m³, lb/in³, and lb/ft³ for material specifications.
试一试Steel Grade Identifier
Look up a steel grade designation to find its properties, equivalent grades in other standards, and common uses.
试一试Drill & Tap Size Chart
Find the correct drill bit size for tapping metric and imperial threads. Includes tap drill and clearance hole sizes.
试一试Composition Analyzer
Analyze an alloy's chemical composition. See element breakdown, identify the alloy family, and compare to specifications.
试一试Heat Treatment Guide
Get heat treatment parameters for common steel grades — annealing, normalizing, quenching, and tempering temperatures.
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