Technical Resources Center
Online weight calculators, standards library, material & dimension data — the one-stop technical hub for engineers to spec and quote with confidence.
Weight Calculators
Real-time, pure front-end tools. Enter size and material to get the theoretical weight instantly — no static tables, no waiting.
Steel Pipe Weight Calculator
Calculate unit weight (kg/m or lb/ft) and total weight of steel pipes by outer diameter, wall thickness, material and length.
- Carbon / Stainless / Alloy / Duplex
- Metric & imperial unit switch
- Per-metre + total weight
Elbow & Pipe Bend Weight Calculator
Calculate elbow and pipe bend weight with a free radius multiple, any angle and optional tangent lengths.
- Free radius multiple (LR 1.5 / SR 1.0 / bend 3–12)
- Any bend angle
- Arc weight + tangent weight breakdown
Standards, Materials & Dimensions
The data engineers actually need — dimension standards, material specifications and cross-reference tables.
Standards Library
ASME / ASTM / API / EN dimension & material standards, PDF download.
AvailableMaterials
Chemical composition & mechanical properties by grade.
Coming soonDimensions
Dimension tables by standard, NPS / DN and class / schedule.
Coming soonCross-Reference
ASME ↔ EN ↔ DIN ↔ JIS ↔ GB ↔ GOST equivalent grades & standards.
AvailableEngineering Notes
Short, practical guides to help you pick the right standard, size and material.
Class 150 Flange Dimensions
A quick reference to ASME B16.5 Class 150 bolt patterns and facing dimensions.
Read guide Line PipeAPI 5L vs 5LX — What’s the Difference
Grades, PSL levels and where each applies in pipeline projects.
Read guide WeightHow to Calculate Steel Pipe Weight
The (OD−WT)×WT×K formula, explained with worked examples and material factors.
Read guideNeed Technical Support?
Tell us the standard, size and grade — our engineers will confirm the spec, weight and lead time.
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