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LATEST News

A Brief History of Carbon Steel – Part 2
For more info on this topic, check out last month’s post A Brief History of Carbon Steel – Part 1Carbon steel wasn’t always the reliable metal that we use for our blind flanges and forged steel rings that we use…



What Are the Components of a Wellhead and What Do They Do? – Part 1
FCI is one of the top wellhead component suppliers in the country, but what are the components of a wellhead and what do they do? This series of blog posts will explain these components and how they work within the…



A Brief History of Carbon Steel – Part 1
Carbon steel first appeared around the year 500 AD in Damascus steel swords as well as Japanese swords. They were prized for their sharp edges and sturdiness compared to other weapons of the era. The composition of these swords was…



Long Weld Neck Flanges – What are They Used for?
Where “standard” weld neck flanges are used extensively for pipes, long weld neck flanges (often abbreviated to LWN) are used in high pressure and high (or fluctuating) temperature situations primarily in the oil and gas industry. The long neck guides…



What is the Difference between ANSI and ASME Flanges?
The short answer is not a lot. ANSI is an abbreviation for the American National Standards Institute, a non-profit organization composed of members from a wide cross-section of individuals associated with them in academia, government agencies, businesses and organizations that…



Classification 1500

"LWN"
LONG WELD NECK

Long Weld Neck Flanges
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"HB"
HEAVY BARREL

Heavy Barrel ASME flanges
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"I1"
INTERMEDIATE

Intermediate Barrel 1 ASME flanges
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"I2"
INTERMEDIATE

Intermediate Barrel 2 ASME flanges
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"I3"
INTERMEDIATE

Intermediate Barrel 3 ANSI Flanges
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"E"
EQUAL BARREL

Equal Barrel ANSI Flanges
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