#1 Piping Knowledge Base

Over 3 millions visitors per year

buttweld fittings dimensions asme b16.9
Buttweld Fittings ASME B16.9

Buttweld Fittings Sizes ASME B16.9

The ASME/ANSI B16.9 specification covers the dimensions and the tolerances of carbon and alloy butt weld fittings. The MSS-SP 43 specification integrates ASME B16.9 to

Read Article »
Stud bolt chart (size, weight)
Stud Bolts and Nuts

Stud Bolts Charts (for Flanges)

3 important stud bolts charts: 1- stud bolts dimensions in inches and millimeters (number, diameter, length of stud bolts for ASME flanges of different diameter

Read Article »
Check valve BS 1868, APi 6D, API 602
Valve Types

Check Valve BS 1868, API 6D, API 602

A check valve prevents potentially damaging backflows to protect equipment like pumps and compressors. Non-return valves allow the flow of the fluid in one direction

Read Article »
ASTM flange materials
What are Flanges?

Materials for Pipe Flanges (ASTM)

The most common materials for pipe flanges (forged grades) are: ASTM A105 (carbon steel high temperature to match A53/A106/API 5L pipes), A350 Grades LF1/2/3 (carbon

Read Article »

What is Projectmaterials?

A Knowledge Base

We have tried to collect key knowledge about piping products. Over 3 million people per year consult our site now, including Staff at major EPC Contractors, End-users, Traders, Mills, and Stockists

Have Content to Share?

If you have content that fits our knowledge base, we will be happy to publish it under your name. What better way to showcase your knowledge?
Submit an Article

A Marketplace

On Projectmaterials, buyers post RFQs for products, equipment and services and get offers from suppliers around the world. We help middle-size businesses meet and deal directly

Need an Offer?

Post your RFQ for products, equipment or services on projectmaterials, get offers from the interested suppliers and close the deal directly
Post RFQ

Some of our Top Visitors...