ASTM A182 Gr F22 Alloy Steel Flanges

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ASTM A182 Gr F22 Alloy Steel Flanges Specification

Application
Oil & Gas, Petrochemical, Power Generation, Heat Exchangers, Pressure Vessels

Feature
High Strength, Corrosion Resistance, Durable, Precision Engineered

Dimension (L*W*H)
Customized as per requirement

Grade
F22

Purity
High purity alloy steel

Product Type
Pipe Flange

Material
Alloy Steel

Standard
ASTM A182

Shape
Round

Surface
Polished

Connection
Welded

Technics
Forged

Pressure
Class 150 / 300 / 600 / 900 / 1500 / 2500

Size
1/2 to 48 (DN15 to DN1200)

Color
Silver / Metallic Grey

About ASTM A182 Gr F22 Alloy Steel Flanges

What Are Specification ASTM A182 Gr F22 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 F22 Alloy Steel Flanges?

Trade Name	UNS	Name Of Steel	Use	Casting Equivalent	EN	Forging	Werkstoff
Alloy Steel F22	K21590	2.1/4Cr-1Mo	HP Steam	ASTM A217 WC9	10CRM0910	ASTM A182 F22	1.7380

Chemical Composition Of ASTM A182 Gr F22 Alloy Steel Flanges?

Grade	C	si	mn	s	P	Cr	Mo
ASTM A182 F22	0.05 - 0.15	0.50 max	0.30 - 0.60	0.040	0.040	2.00 - 2.50	0.87 - 1.13

Mechanical Properties Of ASTM A182 Gr F22 Alloy Steel Flanges?

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
F22	415	205	20		170 max

Precision Engineering and Standards Compliance

Each F22 alloy steel flange is meticulously manufactured through forging and precise machining, maintaining a dimensional tolerance of 0.05 mm. Conforming to global standards (ASTM A182, ANSI, DIN, BS, JIS, EN, ISO), these flanges ensure reliability and universal compatibility for critical applications across various industries.

Heat Treatment and Rigorous Testing

To guarantee optimal mechanical properties, the flanges undergo normalization and tempering. Comprehensive non-destructive testing including ultrasonic, hydrostatic, and magnetic particle inspection verifies their integrity and performance under high pressure and elevated temperatures.

Versatile Applications and Customized Solutions

F22 alloy steel flanges are available in a range of shapes and sizes (1/2 to 48, DN15 to DN1200), and end types (Weld Neck, Slip On, Blind, Socket Weld, Threaded). Their enhanced strength, corrosion resistance, and high purity make them ideal for oil & gas, petrochemical, and power generation sectors. Custom dimensions and protected packaging ensure safe delivery and tailored fit for your project.

FAQs of ASTM A182 Gr F22 Alloy Steel Flanges:

Q: How do face types like RF, FF, and RTJ affect the performance of F22 alloy steel flanges?

A: The choice of face typeRaised Face (RF), Flat Face (FF), or Ring Type Joint (RTJ)influences gasket selection, sealing integrity, and pressure handling capabilities. RF and RTJ faces are ideal for high-pressure, high-temperature environments, while FF is commonly selected for lower pressure applications or compatibility with cast equipment.

Q: What is the recommended process for installing ASTM A182 Gr F22 Alloy Steel Flanges?

A: Installation involves aligning the flange with the mating pipe or equipment, selecting a suitable gasket, and using proper torque to tighten bolts uniformly. Welding procedures must align with the specific end type (e.g., weld neck, slip on, etc.). Post-installation testing, such as hydrostatic and ultrasonic inspection, is advised to confirm leak-tight connections.

Q: When should I use F22 alloy steel flanges over carbon steel or other alloys?

A: F22 alloy steel flanges are preferred when higher strength, corrosion resistance, and reliability at elevated temperatures (up to 600C) are requiredsuch as in oil & gas pipelines, power plants, and pressure vessels. Their superior mechanical properties and chemical stability make them suitable for harsh service environments.

Q: Where can ASTM A182 Gr F22 flanges be used effectively?

A: These flanges are widely utilized in oil & gas, petrochemical, and power generation industries for joining piping systems, heat exchangers, and pressure vessels. Their high-pressure and high-temperature tolerance ensures dependable performance in demanding infrastructural and industrial setups.

Q: What are the benefits of choosing ASTM A182 Gr F22 alloy steel flanges from an Indian manufacturer, exporter, or supplier?

A: Indian manufacturers and exporters offer global quality standards, stringent testing, and customized dimensions, supported by robust packaging (wooden cases, pallets, bubble wrap). You benefit from competitive pricing, technical support, and reliable supply chains for projects worldwide.

Q: How is the quality and purity of these flanges ensured during production?

A: Quality is ensured through careful control of chemical composition (Cr, Mo, C, Mn, Si) and advanced forging processes. Rigorous non-destructive testing and heat treatments provide consistent mechanical properties, structural integrity, and high purity alloy steel, meeting ASTM A182 standards.

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