ASTM A182 Gr F5 Alloy Steel Flanges

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ASTM A182 Gr F5 Alloy Steel Flanges Specification

Grade
Gr F5

Feature
High Strength, Corrosion Resistance, Durable

Purity
High

Application
Petrochemical, Oil & Gas, Power Plant, Marine Engineering

Dimension (L*W*H)
As per ASME/ANSI B16.5 / B16.47 standards

Product Type
Flange

Material
Alloy Steel, Grade F5

Standard
ASTM A182

Shape
Round

Surface
Polished / Shot Blasted

Connection
Welded / Bolted

Technics
Forged

Pressure
Class 150 to Class 2500

Size
1/2 to 24 (DN15 to DN600)

Color
Metallic

About ASTM A182 Gr F5 Alloy Steel Flanges

What Are Specification ASTM A182 Gr F5 Alloy Steel Flanges?

Specification	ASTM A182 F1 Flanges
Other Standard	B16.47 Series A & B/ B16.48, BS4504/ GOST
Production Technique	Forged/ Heat treated and machined
Manufacturer of	Forged/ Threaded/ Screwed / Plate
Available Size	NPS 1" To 16 Manufacturer In India
List Of Schedule	SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180.
Standard And Dimensions	DIN 2501/ DIN 2527/ JIS/ ISO/ P235GH/ API/ EN 1092-2/ EN/ BS/ DIN 2561/ EN 1092-1
Manufacturer Types	Slip On/ Threaded/ Reducing/ Weld Neck/ Socket Weld/ Blind/ Lap Joint
Flange Test	Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Coating	Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Methods	Forging Casting Rolling Cutting
EN Standard	6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
DIN Standard	PN6/ PN10/ PN16/ PN25/ PN40/ PN64
JIS Standard	5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Flange Equipment	Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Face Type	Raised Face Flat Face Ring Type Joint
Most common types	Weld Neck Ring Flanges (WNRF) Blind Ring Flanges (BLRF) Threaded Ring Flanges Lap Joint Ring Flanges (LJRF) Slip-On Ring Flanges (SORF) Socket Weld Ring Flanges (SWRF) Ring Type Joint Flanges (RTJF)
UNI Standard	6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
Supporting Material	Gasket/ Ring Joint/ Flange Bolts
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Manufacturer Pressure Class	Class 150 (lb) up to 24" Class 300 (lb) up to 20" Class 600 (lb) up to 20" Class 900 (lb) up to 16" Class 1500 (lb) up to 10" Class 2500 (lb) up to 8"

Equivalent material Of ASTM A182 Gr F5 Alloy Steel Flanges?

STANDARD	DIN WERKSTOFF NR.	DIN	UNS
ASTM A182 F5 Flanges	1.5415	15M03	K12822

Chemical Composition Of ASTM A182 Gr F5 Alloy Steel Flanges?

Grade	Cr	Mo	C	Mn	Si	P	S
ASTM A182 F5 Flanges	4-6	0.44-0.65	0.15 maximum	0.3-0.6	0.5	0.03	0.03

Mechanical Properties Of ASTM A182 Gr F5 Alloy Steel Flanges?

Tensile Strength	Yield Strength (0.2%Offset)	Elongation
275	485	20 %

Reliable Performance in Extreme Conditions

ASTM A182 Gr F5 Alloy Steel Flanges are engineered to perform under high pressure and temperature conditions, making them ideal for critical industries such as petrochemical, oil & gas, power plants, and marine engineering. With high strength, corrosion resistance, and durability, these flanges deliver consistent performance as per ASTM and ASME/ANSI specifications.

Customizable for Diverse Industrial Needs

These flanges can be supplied in various face typesincluding RF, FF, and RTJand end types like Weld Neck, Slip On, Socket Weld, Blind, Threaded, and Lap Joint. They support multiple sizes and pressure classes, and offer a selection of finishes such as anti-rust oiled, black paint, or customized options. Packaging and marking can be tailored according to customer requirements.

FAQs of ASTM A182 Gr F5 Alloy Steel Flanges:

Q: How are ASTM A182 Gr F5 Alloy Steel Flanges manufactured?

A: These flanges are produced using the forging process, ensuring superior strength and internal grain structure. Manufacturing adheres strictly to ASTM A182 standards, with dimensional tolerances as per ASME/ANSI B16.5 or B16.47. The flanges undergo surface treatments such as polishing or shot blasting, and may be finished with anti-rust oil or black paint.

Q: What are the typical applications for these alloy steel flanges?

A: ASTM A182 Gr F5 flanges are widely used in high-temperature, high-pressure environments such as petrochemical plants, oil & gas facilities, power generation stations, and marine engineering projects, thanks to their excellent mechanical properties and corrosion resistance.

Q: When should Raised Face (RF), Flat Face (FF), or Ring Type Joint (RTJ) face types be used?

A: The choice of flange face depends on the application and sealing requirements. Raised Face (RF) is preferred for general-purpose use and easy sealing, Flat Face (FF) is used with cast iron or equipment that requires full face contact, while Ring Type Joint (RTJ) is ideal for high-pressure and high-temperature services, ensuring a tight metal-to-metal seal.

Q: Where can these flanges be supplied from and are they customizable?

A: Manufactured in India, ASTM A182 Gr F5 Alloy Steel Flanges are available for export and supply worldwide. They can be customized in terms of size, pressure class, face type, surface finish, marking, and packaging according to project specifications and customer requests.

Q: What benefits do ASTM A182 Gr F5 flanges offer over other materials?

A: These flanges provide high strength, excellent durability, superior corrosion resistance, and reliable performance at elevated temperatures (up to 600C). The alloys unique composition and forging process yield products suitable for harsh operational environments, minimizing maintenance needs.

Q: How is the quality of these alloy steel flanges ensured?

A: Each flange undergoes stringent quality control as per ASTM A182 standards, including material testing, hardness checks (170-230 HB), and dimensional inspection. Standard markings are applied, and documentation can be provided as per customer request.

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