BLRF Flange

• Design: A BLRF Flange is a solid flange with no central hole, used to close off the end of a pipeline or vessel. It is essentially a flat disc with bolt holes around the edge.


• Applications: Typically used to seal off the end of a pipe or to provide an access point for future maintenance. They are used in both high-pressure and low-pressure systems.


• Installation: BLRF Flanges are bolted to the end of a pipe or vessel and usually welded around the edges to ensure a leak-tight seal. They are often used in situations where future access might be needed, allowing for easy removal if necessary.

Chemical and Mechanical Properties Table

Material	Grade	Chemical Composition (wt%)	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
Carbon Steel	ASTM A105	C: 0.35 max, Mn: 0.60-0.90, P: 0.035 max, S: 0.035 max	205 - 250	420 - 550	20
Stainless Steel	ASTM A182 F304	C: 0.08 max, Cr: 18.0-20.0, Ni: 8.0-10.5	205 - 310	510 - 720	40
Stainless Steel	ASTM A182 F316	C: 0.08 max, Cr: 16.0-18.0, Ni: 10.0-14.0, Mo: 2.0-3.0	205 - 310	510 - 720	40
Alloy Steel	ASTM A234 WP22	C: 0.12-0.20, Cr: 1.0-1.5, Mo: 0.4-0.6	205 - 275	485 - 620	20
High-Temperature Alloy	ASTM A182 F91	C: 0.05-0.15, Cr: 8.0-9.5, Mo: 0.85-1.05	415 - 485	620 - 825	20

Notes:

• Chemical Composition: Represents the elements present in the material, such as chromium and nickel in stainless steels, which improve corrosion resistance.


• Yield Strength: The stress level at which the material begins to permanently deform.


• Tensile Strength: The maximum stress the material can endure while being stretched or pulled before failing.


• Elongation: Indicates the material's ductility and its ability to stretch before breaking.