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ASTM A105 Welding Neck Flange

Views: 5     Author: Site Editor     Publish Time: 2023-11-27      Origin: Site

Flanges are important mechanical connectors, mainly used to connect and seal pipeline systems, and are commonly used in key connection areas of equipment such as pipelines and valves.They include six categories: welding neck flanges, slip on flanges, socket flanges, threaded flanges,lap joint flanges, and blind flanges.ASTM A105 welding neck flanges are a widely used type of flange series, and are playing an increasingly important role in modern pipeline systems due to their excellent performance and wide range of applications.

Dimensions of ASTMA105 Welding Neck Flange

The dimensions of ASTM A105 welding neck flanges vary depending on the production standard.Common production standards for welding neck flanges include ASME B16.5, ASME B16.47, and EN1092-1.

ASEM B16.5 is a production standard for American, which includes flanges with sizes ranging from 1/2 inch to 24 inches and pressure ranges of CLASS 150, 300, 600, 900, 1500, and 2500.This Standard covers pressure-temperatureratings, materials, dimensions, tolerances, marking,testing, and methods of designating openings for pipeflanges and flanged fittings.

Dimensions of ASME B16.5 CLASS150 Flange

ASME B16.47 is the production standard for large-size flanges in the American standard, which includes welding neck flanges and blind flanges .The ASME B16.47 production standard is divided into A-series flanges and B-series flanges, This Standard covers pressure-temperature ratings ,materials , dimensions , tolerances , marking , and testingfor pipe flanges in sizes NPS 26 through NPS 60 .Includedare flanges with rating class 75 , 150 , 300400 , 600 , and 900.

Dimensions of ASME B16.47 A CLASS 150 Flange

EN1092-1 is the European standard for flange production.This European Standard for a single series of flanges specifies requirements for circular steel flanges inPN designations PN 2 , 5 to PN 400 and nominal sizes from DN 10 to DN 4000This European Standard specifies the flange types and their facings , dimensions , tolerances , threading ,bolt sizes , flange jointing face surface finish , marking , materials , pressure / temperature ratings andapproximate flange masses.The corresponding type of welding neck flange in EN1092-1 standard is TYPE11.

EN1092-1 Dimensions And Pressure Rating of Welding Neck Flanges

EN1092-1 PN10 Dimensions

Chemical Composition And Mechanical Properties

ASTM A105 welding neck flanges are made of high-quality carbon steel materials, which are precision forged and processed to ensure the inherent quality of the product.Its excellent mechanical properties and stable chemical composition provide users with reliable performance guarantees.

Chemical Composition

CHEMICAL

LIMITS

C

Mn

P

S

Si

Cu

Ni

Cr

Mo

V

ASTM A105

MIN


0.60



0.10






MAX

0.35

1.05

0.035

0.040

0.35

0.40

0.40

0.30

0.12

0.08

Mechanical Properties

MATERIAL

T.S (MPA)

Y.S (MPA)

EL %

R/A %

HARDNESS

ASTM A105

485 min

250 min

22 min

30 min

197 max

Advantage

Various types of dimensions

Comprehensive Pressure rating

Strict quality control

Excellent cost performance

ASTM A105 welding neck flanges have become an indispensable and important component in the industrial sector due to their excellent performance and wide range of applications.Whether in traditional industrial sectors or emerging industries, they will play an even more important role in future development.


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