Calculators

Pipe schedules, flange and fitting dimensions, metal weights, and fastener sizing — built for RFQs and enquiry takeoffs.

Engineering tools

Size faster. Quote with confidence.

Interactive charts for pipe schedules, flange and fitting dimensions, metal weights and fastener takeoffs — built for RFQs.

Schedule walls, density weights, flange dims and buttweld takeoffs.

Wall thickness & kg/m by NPS

NPS sizes, schedule wall thickness and theoretical weight (kg/m) per ASME B36.10 / B36.19.

Density-based piece & meter weights

Bars, sheets, circles and pipe/tube weight for every material in our catalog.

OD, thickness & bolt circle

ASME B16.5 raised-face flange OD, thickness, bolt circle and hub dims by type and class.

Center-to-end & takeoff dims

ASME B16.9 elbows, tees, caps, stub ends and concentric reducer takeoff dimensions.

Bolt, nut, washer and stud sizing for enquiry takeoffs.

kg/piece & kg/100 by size

Approximate hex bolt weights by grade, metric diameter and length from fastener weight charts.

kg/piece & kg/100 by type

Approximate hex, jam and square nut weights by grade and imperial size from fastener charts.

kg/piece & kg/100 by type

Approximate plain, heavy, machined and spring washer weights by grade and metric size.

Flange stud lengths & dims

ASME B16.5 Class 150 & 300 stud bolt diameter, count and length, plus metric dims, UNC/UNF threads and companion nut sizes.

Need a quote

Use these tools to shortlist diameter, length and weight — then request pricing for stainless, duplex, nickel alloys and more.