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When PMI Testing Is Worth the Premium (And When It Is Not): A Buyer's Guide to Positive Material Identification on Flanges
Positive Material Identification on flanges runs $50 to $150 per part. Here is when it earns the cost and when the MTR alone is enough.
How Do I Identify an Unmarked Flange? A Field Guide to Decoding Mystery Flanges in Your Plant
No heat number, no class stamp, no paperwork. Here is how to identify an unmarked flange in the field by measuring, observing, and testing what you can verify.
Flange Market and Regulations Update: Tariffs, Domestic Content, and Pricing in 2026
How 2026 Section 232 tariffs, BABA domestic content rules, and steel volatility are reshaping flange pricing and lead times. From Texas Flange.
How to Choose a Flange: A Practical Buyer's Guide for Industrial Piping
How to choose a flange in six steps. A practical buyer's guide to application, material, pressure class, face type, size, and standards from Texas Flange.
MSS SP-44 Flanges: What They Are, When You'll See Them, and How They Differ from ASME B16.47
MSS SP-44 Flanges: What They Are, When You'll See Them, and How They Differ from ASME B16.47 If you're on a transmission pipeline project (natural gas, crude, refined products, or NGLs), the flanges o
NACE MR0175 Flanges for Sour Service: What H2S Actually Does to Material, and How to Spec It Right
"Sour service" gets tossed around in upstream oil and gas parlance quite often, and most of the time the engineers use it to reference the type of crude oil being processed. Then a bid spec lands with
Spectacle Blinds, Figure 8 Blanks, and Line Blinds: The Flange Isolation Family Explained
Spectacle Blinds, Figure 8 Blanks, and Line Blinds: The Flange Isolation Family Explained There is a reason every refinery, chemical plant, and pipeline has a drawer full of what look like giant steel
Flange Insulation Kits: What They Are, Why They Matter, and How to Choose
Flange Insulation Kits: What They Are, Why They Matter, and How to Choose Here's a scenario that plays out more often than anyone in the pipeline business likes to admit: a perfectly good flanged join
RTJ Flanges: What They Are, When to Use Them, and How to Specify the Right One
RTJ Flanges: What They Are, When to Use Them, and How to Specify the Right One If you work in upstream oil and gas, refining, or any application where pressure ratings push past the 300# class, you ha
Reducing Flanges: When You Need One and How to Get the Right Spec
Reducing Flanges: When You Need One and How to Get the Right Spec You have two different pipe sizes that need to connect at a flanged joint. Maybe a 6″ header feeding into a 4″ branch. May
Orifice Flanges: What They Are, How They Work, and When to Use Them
Orifice Flanges: What They Are, How They Work, and When to Use Them If you've ever needed to measure flow in a pressurized piping system, chances are someone pointed you toward an orifice flange. Thes
How Steel Tariffs Affect Pipe Flange Pricing: What Buyers Need to Know
If you have priced pipe flanges in the past year and noticed the numbers are different from what you remember, you are not imagining things. Steel tariffs have reshaped the cost structure of imported
Flange Bolt Torque Values: A Reference Guide for Every Pressure Class
Flange Bolt Torque Values: A Reference Guide for Every Pressure Class You can have the right flange, the right gasket, and the right bolts, and still end up with a leak if the torque is wrong. Flange
Flange Size Chart: How to Read and Use ASME Flange Dimension Tables
Flange Size Chart: How to Read and Use ASME Flange Dimension Tables A flange size chart isn't complicated, but if you've never worked with one before, the number of columns and footnotes can make thin
PED, ASME, API, and ISO: Which PVF Standard Is Actually the Strictest?
If you work in piping, valves, and fittings long enough, somebody is going to ask you which standard is "the strictest." It is a fair question, considering what your project needs might be. Between AS
So What Exactly Does "Domestic" Mean? Buy American, BABA, and AIS Requirements for Pipe Flanges
So What Exactly Does "Domestic" Mean? Buy American, BABA, and AIS Requirements for Pipe Flanges If you work in procurement for government, municipal, or federally funded projects, you have seen the te
ASME B16.47 Flanges Explained: Series A vs. Series B and Understanding ASME B16.47 Series A vs Series B
ASME B16.47 Flanges Explained: Series A vs. Series B If you're working with large-diameter piping involving anything above 24 inches, ASME B16.5 is no longer your primary standard. That's where ASME B
ASTM A105 vs. A182: Which Steel Flange Material Do You Need?
ASTM A105 vs. A182: Which Steel Flange Material Do You Need? If you've been ordering flanges for more than five minutes, you've run into this question. A105 or A182, what's the difference, and does it
