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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…

Product Materials

SA 105 Carbon Steels  
SA 182 Low Alloy Steels F1, F5, F5a, F9, F91, F11, F12, F22
  Martensitic Stainless Steels F6a, F6NM
  Ferritic-Austenitic Stainless Steels F51, F60
  Austenitic Stainless Steels F304, F304H, F304L, F310, F316, F316H, F316L, F317, F317L, F321, F321H, F347, F347H, F348, F348H
SA 266 Carbon Steels Gr.1, Gr.2, Gr.3, Gr.4
SA 350 Carbon and Low Alloy Steels LF1, LF2, LF3, LF6 Class 1, LF6 Class 2, LF9
SA 541 Q & T Carbon and Alloy Steels Gr.2 Class 2, Gr.22 Class 3
SA 765 Carbon and Low Alloy, Low Temp. Steels Gr.1, Gr.2, Gr.3, Gr.4
API Carbon, Low Alloy and Stainless Steels 36K, 45K, 60K, 75K, 110K
AISI Carbon Steels 1018M, 1020M, 1022M, 1030's, 1040's
  Carbon Alloy Steels 4130, 4140, 4340, 8630, 8630M
A 694 High Yield Steels F42, F46, F48, F50, F52, F56, F60, F65, F70
A 705 Age Hardening Stainless Steels 17-4PH
A 707 Carbon and Alloy Steels Gr.L3 Class 1, Gr.L3 Class 2, Gr.L3 Class 3
B 564 Nickel Alloy Steels Series 400, 600 and 800
Purchaser to specify material class where applicable.
Materials listed are normally available in billet form from FCI inventories or stocks made available to FCI.
All materials comply with the applicable ASME, ASTM, API and AISI Codes and/or Specifications.
Materials can be selected to comply with “NACE” requirements upon request.
  * Products can also be furnished in other carbon steels, alloy steels, stainless, high nickel and non-ferrous alloys upon request.
  * Materials exhibiting other than standard Code chemical and/or physical properties or materials requiring specialized steel making practices can be furnished by FCI upon special order.

Technical data contained in this section governed by ASME or other Codes/Specifications are subject to change and are therefore provided for information purposes only and are not to be used for design purposes. Refer to latest edition of applicable Code/Specification and addendums thereto for required design data.

Contact Us to Begin Your ASME Flanges Manufacturing Project

If you have questions around the product materials we recommend using for your project, contact us at  (281) 441-4088 or email us at to learn more. Forged Components is a leading forged pressure vessel manufacturer with experience in meeting ASME industry standards.