Engineering
Tools

Steel weight calculation, flange dimensions, and technical conversion tables. Practical online tools for your engineering projects.

Online Tools

Calculators & Tables

Steel Weight Calculator

Online weight calculator for round bar, pipe, plate, hex, square and flat bar profiles.

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Hardness Conversion Calculator

Instant hardness conversion between HRC, HB (Brinell), HV (Vickers) and tensile strength (Rm MPa).

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Flange Dimensions Table

Flange dimensions and weight tables per ASME B16.5, B16.47, and EN 1092-1 standards.

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DN-NPS Converter

Conversion table between DN (Nominal Diameter) and NPS (Nominal Pipe Size).

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Chemical Composition Table

Chemical composition values for steel grades. C, Si, Mn, Cr, Mo, Ni element percentages and applications.

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Unit Weight Table

Unit weight table (kg/m) for round, hexagon, square and flat bar steel profiles.

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Pressure Rating Chart

ASME B16.5 flange pressure-temperature rating chart. Class 150-2500 maximum working pressures.

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Steel Grade Equivalent Table

Steel grade comparison and equivalent finder across EN, DIN, AISI, SAE, ASTM, JIS standards.

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Bolt Torque Chart

Recommended tightening torque values for metric bolts (M6-M36) in grade 8.8, 10.9, 12.9.

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Steel Density Table

Density values (g/cm³) for carbon steel, stainless steel, aluminum, copper and other metals.

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ISO Tolerance Calculator

Shaft tolerances (h6-h11) per ISO 286. Calculate min/max dimensions by entering nominal diameter.

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Foundry Charge Calculator

Calculate pig iron, FeSi75, FeMn75 and scrap amounts based on target chemical composition.

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Silica Sand AFS Calculator

Calculate AFS grain fineness number from sieve analysis. Sand classification and recommended use.

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Shot Blasting Consumption Calculator

Calculate steel shot/grit consumption and cost. Cost estimation based on surface condition and media type.

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Sheet Metal Gauge Thickness Chart

Convert a gauge number to mm and inch thickness for steel, galvanized, stainless and aluminum.

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