ASTM A350 LF3 Flanges

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Manufacturer of SA350 LF3 Pipe Flange, LF3 Carbon Steel Flange in India

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ASTM A350 LF3 Flanges

ASTM A350 LF3 Flanges

SA350 LF3 Pipe Flange

SA350 LF3 Pipe Flange

We can supply this grade of carbon steel ASTM A350 LF3 Flanges in any of the following condition i.e. - forged in an annealed condition or a rolled condition or in a quenched & tempered condition with black or bright i.e either peeled or proof machined finish.

Typically, the A350 Gr LF3 Carbon Steel Slip On Flanges would be forged at a temperature of around 2150 - 2200ºF. Although these flanges must not be forged below a temperature of 1700ºF. A benefit of using carbon steel grade LF3 Carbon Steel Flange is that it can be used down to a cryogenic temperature, where other steel grades would lose their toughness properties. Since made from either carbon and low alloy steel are designed to be used in low temperature applications ie below a temperature of –150ºF.

Further many of our clients in the oil and gas industry prefer using the LF2 A350 Industrial Pipe Flange because they are tough, hard and have a long work life while delivering excellent performance. 

Additionally, tests such as tension tests are to be performed on the A350 LF3 flanges and they need to conform to the required mechanical properties like tensile strength, yield strength as well as elongation.


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What is ASTM A350 LF3 Flange?

ASTM A350 LF3 Flanges

The SA 350 Gr LF3 flange produced under this specification needs to be forged. In fact, carbon or low alloyed steel specified SA350 LF3 Pipe Flange shall undergo heat treatment such as either tempering,  normalizing or quenching and precipitation heat treatment while being subjected to both heat and product analysis.

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ASTM A350 LF3 Material Specification

ASTM A350 Gr LF3 Cl1 Flange Size Chart 1/2 In to 48 In
Carbon Steel A350 LF3 Flange Pressure Rating 150, 300, 600, 900, 1500, 2500 LBS

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SA350 Gr LF3 Flange JIS 5, 10, 16, 20, 30, 40, 63 K
LTCS ASTM a350 LF3 Flange EN 6, 10, 16, 25, 40Bar
Carbon Steel A350 LF3 Flange Face Type Ring Type Joint, Small Male-Female, Flat Face, Large Tongue , Large Male-Female, Lap-Joint Face, Raised Face, Small Tongue & Groove flanges

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