ASTM A182-F91 ASME SA182 F91 forging/forged Lateral Tees T-piece Wyes

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What is forged lateral tee?

A forged lateral tee is a pipe fitting used in piping systems to create a 45-degree branch from the main run. It is manufactured using forging processes, ensuring high strength, durability, and pressure resistance. These tees are commonly used in high-pressure and high-temperature applications, including oil & gas, power plants, petrochemicals, and water treatment industries.

Materials:

🔹 Carbon Steel: ASTM A105,A350 LF2
🔹 Stainless Steel: ASTM A182 F304, F316
🔹 Alloy Steel: ASTM A182 F11, F22, F91
🔹 Duplex & Super Duplex Stainless Steel: ASTM A182 F51, F53
🔹 Nickel Alloys: Inconel, Hastelloy, Monel

ASTM A182-F91 forged lateral tee

ASTM A182 F91 is a high-strength, creep-resistant alloy steel used for high-temperature and high-pressure applications. A forged lateral tee made from F91 is ideal for power plants, petrochemical facilities, and steam piping systems due to its superior mechanical properties and corrosion resistance.

ASTM A182  F91 Flange Chemical Composition %

Grade UNS Designation C Mn P S Si Ni Cr Mo Co Ti Other Elements
F91 Type1 K90901 0.08-0.12 0.30-0.60 0.020 0.010 0.20-0.50 0.40 8.0-9.5 0.85-1.05 0.06-0.10 N 0.03-0.07

Al 0.02(applies to both heat and product analyses

V 0.18-0.25

Ti 0.01

Zr 0.01

F91 Type2

Heat Product

K90901 0.08-0.12

 

0.07-0.13

0.30-0.50 0.020 0.005 0.20-0.40 0.20 8.0-9.5 0.85-1.05

 

0.85-1.05

0.06-0.10

 

0.05-0.11

0.01 N 0.035-0.07

Al 0.020(applies to both heat and product analyses

V Heat 0.18-0.25

V Prod 0.16-0.27

Ti 0.01

Zr 0.01

B 0.001

Cu 0.10

W 0.05

Sn 0.010

As 0.010

Sb 0.003

A182 Gr. F91  Mechanical Properties

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %
ASTM A182 F91 Flange 415 585 20

A182 Gr F91 Equivalent material

Material Group Common Name Type UNS Forging Spec. Casting Spec. Equivalent DIN
9Cr-1Mo-V ASTM A182-F91 A217-C12A X 10 CrMoVNb 9 1 1.4903 High pressure steam
ASTM A182-F91 ASME SA182 F91 forged Lateral Tees
Applications of A182-F91 forged lateral tee

🔹 Power Plants: Superheater, reheater, and steam piping systems
🔹 Oil & Gas: High-pressure pipelines for steam and process fluids
🔹 Petrochemicals: Heat exchangers, reactors, and high-temperature processing lines
🔹 Refineries: Cracking units and high-temperature refining operations