In ASTM A312, "TP" stands for "tubing product," indicating that the stainless steel is intended for use in pipe or tubing applications. The "304" refers to the specific grade of stainless steel, which contains approximately 18% chromium and 8% nickel, known for its corrosion resistance and good mechanical properties. This designation signifies that the material is suitable for various environments, including those involving high temperatures and corrosive conditions.
Astm a312
WP is used in front of the grades for pipe fittings after the production standard. Like ASTM A403 WP304L. TP is used in front of the grades for pipes (not fittings) after the production standard. Like ASTM A312 TP304L.
The difference of TP and TPN in circuit breakers is the ability of the switch to hold a neutral position. With TPN, a neutral switch position is not possible. With TP, the breaker can be held in a neutral position.
The main difference between the two is that a TP isolator is only a "triple pole" isolator. A TPN isolator is a "triple pole" and neutral isolator.
The difference between 16A TP and 16A TPN isolator is the type of the circuit breaker that is used. The terminal design is the other difference.
TP Means Tie-in Point
Astm a312
WP is used in front of the grades for pipe fittings after the production standard. Like ASTM A403 WP304L. TP is used in front of the grades for pipes (not fittings) after the production standard. Like ASTM A312 TP304L.
TP 304 refers to a specific grade of stainless steel, known for its excellent corrosion resistance and high-temperature strength. It is part of the 300 series of stainless steels and contains chromium and nickel as the primary alloying elements. TP 304 is commonly used in a variety of applications, including food processing, chemical handling, and architectural structures due to its durability and aesthetic appeal. The "TP" designation typically stands for "tube pipe," indicating its common use in piping applications.
Standard Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels
Torque Power, a measure of the twisting force of an engine in ft/lbs
hublay
Tuberculin Precipitation
Total protein
TP I think means Third-Party. If it's in the context of billing.
SS 304L and TP 304L refer to the same base material, which is a low carbon version of the 304 stainless steel. The designation "SS" typically stands for stainless steel in general terms, while "TP" denotes "tube and pipe," indicating that TP 304L is specifically intended for use in tubular applications. The chemical composition is similar, but TP 304L may have additional requirements for mechanical properties or surface finishes to meet specific industry standards for piping applications.
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