-
-
Microstructures: Why Should You Care About Them?
Microstructure – A Short Definition: Steel microstructure refers to the existing described order and arrangement of observable…
-
Material Chemical Composition
The chemical compositions of the steels most commonly used for the manufacturing of API Spec 6A, API Spec 16A and…
-
Brinell Hardness Testing
When you perform a Brinell hardness test with a well maintained, calibrated testing device, you can learn:…
-
Carbon Steel Pipe Dimensions and Weights
Pipe Size(Nominal) Schedule Outside Diameter Inside Diameter Wall Thickness Wt. Lbs.Per Foot 1/2 5 .840 .710 .065…
-
API 5L Line Pipe Physical Properties
Line pipe grade designations come from API Spec 5L Specification for Line Pipe. Standard Line Pipe has…
-
Identification of Male and Female Union Halves on Hammer Wing Unions
“How can I make certain I know which Hammer Union Half to call male, and which to…
-
Clamp Bolt Tightening Sequence
BOLT TIGHTENING SEQUENCE FOR API CLAMP USING 4 BOLTS. Note: Washers must have proper installation orientation, as shown above….
-
Clamp Hub Ring Groove Repair
Caution: Hub ring grooves cannot have repair performed by simply skim cutting the Hub face and deepening the…
-
Inspection of Older Cast Steel Clamps
Prior to 1986 most manufacturers that made clamps, to fit clamp hub connections that utilized API ring gaskets as seal…
