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Metric Units

Engineering Crosswalks & References

Comparison tables bridging regional code standards, unit dimensions, and shipping density brackets.

US ASTM vs Metric Rebar Size Crosswalk Table

Engineering crosswalk comparing imperial US rebar size numbers (#3 to #18) to international nominal millimeter diameters under ISO, BS, and SASO standards.

LTL Freight Class Density Breakpoints Crosswalk Table

Logistics planning crosswalk mapping Pounds per Cubic Foot (PCF) shipment density values to NMFC Freight Classes 50 through 500.

ASTM A615 Rebar Grade Comparison (Grade 40 / 60 / 80 / 100)

Engineering specifications matrix comparison crosswalk matching yield strength, tensile limits, elongation, markings, and weldability across ASTM A615 and A706.