ASTM A182 Gr F9 Alloy Steel Flanges

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ASTM A182 Gr F9 Alloy Steel Flanges Specification

Grade
F9

Application
Petrochemical, Oil & Gas, Power Generation, Chemical Industries

Dimension (L*W*H)
Standard as per ANSI/ASME B16.5, Custom dimensions available

Purity
Certified alloy composition

Feature
High strength, Corrosion resistance, Precise dimensions

Product Type
Flange

Material
Alloy Steel

Standard
ASTM A182

Shape
Round

Surface
Polished / Finished

Connection
Welded / Bolted

Technics
Forged

Pressure
Class 150 to 2500

Size
1/2 to 24 (DN15 to DN600)

Color
Silver / Metallic

About ASTM A182 Gr F9 Alloy Steel Flanges

What Are Specification ASTM A182 Gr F9 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 F9 Alloy Steel Flanges?

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

Chemical Composition Of ASTM A182 Gr F9 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 F9 Alloy Steel Flanges?

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

Comprehensive Flange Selection

These alloy steel flanges are available in multiple types such as Weld Neck, Blind, Slip On, and more, each suited for specific piping conditions. Whether you need robust connections for high-pressure environments or specialized face finishes (RF, FF, RTJ), theres a solution fit for your technical and engineering needs.

Stringent Testing and Quality Assurance

Every flange undergoes rigorous Ultrasonic, Hydrostatic, Destructive, and Non-Destructive Testing (NDT) processes. This ensures structural integrity, precise dimensioning, and certified composition, bringing exceptional safety and performance to critical industrial installations.

Custom-Coated Durability and Protection

Surface finishes like anti-rust oiling, black paint, or customized coatings extend the lifecycle and resist aggressive atmospheres. Each product is available in polished or finished forms, packed securely per client specifications to ensure quality upon delivery anywhere worldwide.

FAQs of ASTM A182 Gr F9 Alloy Steel Flanges:

Q: How are ASTM A182 Gr F9 Alloy Steel Flanges manufactured and tested for quality?

A: These flanges are forged from certified F9 alloy steel using advanced techniques and then subjected to heat treatment (normalized & tempered). Each flange undergoes ultrasonic, hydrostatic, and destructive/NDT tests to guarantee compliance with international standards and ensure optimal structural properties.

Q: What types of face, finish, and end connections are available for these flanges?

A: You can choose from Raised Face (RF), Flat Face (FF), or Ring Type Joint (RTJ) for the sealing surface. Finishes include anti-rust oiling, black paint, and custom coatings. End connections may be beveled, plain, or threaded to accommodate different installation requirements.

Q: When should ASTM A182 Gr F9 flanges be used in industrial applications?

A: These flanges are ideal when high strength and corrosion resistance are critical, such as in petrochemical plants, oil & gas pipelines, chemical facilities, and power generation projectsespecially wherever high-pressure and high-temperature performance is required.

Q: Where can these alloy steel flanges be procured from and in what sizes?

A: As a leading exporter, manufacturer, supplier, and trader based in India, a comprehensive range of sizes (1/2 to 24 inches; DN15 to DN600) and pressure ratings (Class 150 to 2500) are available, with worldwide shipping and tailored packing options provided upon request.

Q: What standards do these flanges comply with and what benefits do they offer?

A: ASTM A182 Gr F9 flanges meet ANSI, ASME B16.5/B16.47, DIN, EN, and JIS standards, ensuring compatibility and reliability. Their benefits include certified alloy purity, high mechanical strength, precise dimensions, and enhanced corrosion resistance for long-term service.

Q: How can customers request custom marking, packing, or coating for these flanges?

A: Clients can specify requirements for standard or customized marking, specialty packing such as wooden boxes or bubble wrap, and surface coatings. Specifications can be provided during the order process for tailored solutions meeting project-specific needs.

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