Learn Piping
The World’s Most Visited Piping Site (over 3M Users)

BWG and SWG Tube Size Chart
BWG and SWG are alternative measurements for steel tubing sizes (outside diameter and wall thickness). BWG stands for “Birmingham Wire Gauge” (or “Stubs Iron Wire

ASME B36.10/36.19 Pipe Dimensions Charts
Looking for steel pipe size charts? The ASME B36.10 and ASME B36.19 specifications cover the dimensions of seamless and welded steel pipes for high and

Piping Materials Match Chart (ASTM)
The piping material chart shows the matching ASTM materials for pipes, valves, fittings, flanges and stud bolts. PIPING MATERIALS MATCH CHART The piping ASTM materials

EN 10220, EN 1127 Pipe Size Charts
The EN 10220 and EN 1127 specifications cover the dimensions and tolerances of European pipes, carbon/alloy steel, and stainless steel respectively. While EN 10220 and

Pipe Sizes: NPS, Schedule, Length, End Types
The key dimensional parameters of steel pipes explained: “NPS”, “Schedule”, “Length” . PIPE DIAMETER AND WALL THICKNESS The two key steel pipe sizes are the

ASME B16.34 Pressure/Temperature Rating
The ASME B16.34 specification covers pressure and temperature ratings for forgings, castings, plate, bar, and tubular products. The ASME B16.34 charts show the max allowed pressure

What are Incoterms? (ExW, FOB, CFR, CPT,…)
Incoterms 2010 (FCA, DAP, EX WORKS, CIF, FOB, CFR, DAT, etc.) define, in a purchase contract, the responsibilities of the buyer and the supplier in

Key Shipping Documents for Exporters
An overview of the common documents in the export/import business, divided by type: financial (invoices, insurance policy), transportation (B/L, AWL, CMR), quality assurance (inspection reports)

Difference Pipe vs. Tube Explained
A recurring question is “what is the basic difference between pipe and tube”? The short answer is: A PIPE is a round tubular to distribute

Pipes Manufacturers and Stockists
This article shows a comprehensive list of the mills where to buy seamless and welded steel pipes: pipe manufacturers in Europe, USA, India, China, and Japan.

Pipe Color by Fluid Type
Color codes are, in some cases, applied on pipes and other piping materials (such as pipe fittings, flanges, and valves) to facilitate the identification, in

Engineering Terms and Abbreviations
The engineering dictionary collects the most used terms, abbreviations, and definitions used in technical and commercial documentation related to project plant construction, materials and project

Containers and Pallets: Sizes and Types
Goods can be shipped on wooden, plastic or metallic pallets or containers (20, 40 feet, side or top entry). The article reviews gross and net

6 Types of Payment Terms for Exporters
The most common payment terms for contracts are “open account” (the seller delivers without any guarantee, and expects the payment at a later stage), “documentary

Contract Risks: a Checklist for Exporters
Purchase contracts may be filled with risks. In this article, we provide a useful checklist to make sure all major contract risk areas are identified