Alloy Steel F1 Flanges Supplier in Mumbai, India

Alloy Steel F1 Flanges are engineered to deliver exceptional strength, corrosion resistance, and performance under extreme pressure and temperature conditions. Designed from chromium-molybdenum alloy steel, these flanges are a preferred choice in industries where reliability and durability are non-negotiable.

What Are Alloy Steel F1 Flanges Used For?

Alloy Steel F1 flanges are used for connecting pipes, valves, and pumps in power plants, oil and gas pipelines, refineries, and chemical processing units. Their ability to withstand high heat and stress makes them ideal for critical applications in both high-temperature and cryogenic systems.

How Alloy Steel F1 Flanges Perform Under Pressure

The F1 grade offers outstanding mechanical strength and flexibility, making it suitable for high-pressure operations. When installed correctly, these flanges maintain tight, leak-proof seals — even under dynamic temperature fluctuations — ensuring uninterrupted flow and operational safety.

Benefits of Using Alloy Steel F1 Flanges

High tensile strength for robust joint integrity
Excellent corrosion resistance in harsh environments
Superior heat tolerance, ideal for refinery and petrochemical systems
Cost-effective longevity, reducing maintenance downtime

These benefits make F1 flanges a long-term investment for demanding industrial systems.

How to Identify and Maintain Quality

To identify high-quality Alloy Steel F1 flanges, check for uniform surface finish, precise machining, and verified material certifications (ASTM A182, ASME SA182). Heat treatment plays a major role in durability — it refines the grain structure and improves mechanical properties for extended service life.

Routine inspections, proper torque application during fitting, and avoiding over-tightening are essential maintenance tips to ensure long-lasting performance.

Installation and Best Practices

For secure installation, align flanges correctly, use appropriate gaskets, and tighten bolts in a star pattern to maintain uniform pressure. Avoiding common installation mistakes — such as uneven torque or incorrect gasket selection — prevents leakage and premature wear.

Proper fitting directly impacts safety and efficiency by preventing pressure drops and ensuring smooth fluid transfer through pipeline systems.

Industry Applications and Usage

Alloy Steel F1 flanges are widely used across petrochemical plants, refineries, shipbuilding, power generation, and offshore drilling. Petrochemical plants prefer F1 grade due to its resistance to oxidation and scaling in high-temperature environments, while oil and gas sectors rely on it for robust pipeline connections.

Buying Guide and Supplier Tips

When selecting flanges, check for size accuracy, standard compliance, heat number traceability, and manufacturer certifications. Compare prices based on quality grades and coatings. Always choose a trusted Alloy Steel F1 flange supplier in UAE or globally that provides testing reports, customization options, and reliable logistics support.

Alloy Steel F1 Flanges Equivalent Grades

STANDARD	UNS	WERKSTOFF NR.
Alloy Steel F1	K12822	1.5415

Chrome Moly F1 Slip On Flanges

Alloy Steel F1 SORF Flanges, UNS K12822 Slip On Flanges, DIN 1.5415 SORF Flanges, ASME SA 182 Alloy Steel F1 Slip-on Raised Face Flanges

Alloy Steel F1 Weld Neck Flanges

ASME SA182 Alloy Steel F1 WNRF Flanges, ASTM A182 Alloy Steel F1 Weld Neck Flanges, DIN 1.5415 Weld Neck Flanges, UNS K12822 Weld Neck Raised Face Flanges

Chromium Molybdenum F1 Blind Flanges

ASTM A182 Alloy Steel F1 Blind Flanges, DIN 1.5415 Blind Flanges, ASME SA182 Alloy Steel F1 BLRF Flanges, Alloy Steel K12822 Blind Raised Face Flanges Supplier

Alloy Steel F1 Threaded Flanges

DIN 1.5415 Threaded Flanges, UNS K12822 Screwed Flanges, ASME SA 182 Alloy Steel F1 Threaded Flanges, ASTM A182 Alloy Steel F1 Threaded Flanges

Alloy Steel F1 Socket Weld Flanges

ASTM A182 Alloy Steel F1 Socket Weld Flanges, Alloy UNS K12822 Socket Weld Flanges, Alloy DIN 1.5415 Socket Weld Flanges

Alloy Steel F1 Lap Joint Flanges

UNS K12822 Lap Joint Flanges, Alloy Steel F1 Lap Joint Flanges, ASTM A182 Chrome Moly 1.5415 Lap Joint Flanges, ASME SA182 Alloy Steel Lap Joint Flanges

Alloy Steel F1 Ring Type Joint Flange

UNS K12822 Ring Type Joint Flange, ANSI B16.9 Alloy Steel RTJ Flanges, ASTM A182 Alloy Steel 1.5415 Ring Type Joint Flanges, ASME SA182 Alloy Steel F1 Ring Type Joint Flanges

Alloy Steel F1 Orifice Flanges

UNS K12822 Orifice Flanges, B16.36 Alloy Steel F1 Orifice Flanges, ASTM A182 Alloy Steel 1.5415 Orifice Flanges, ASME SA 182 Chromium Molydenum F1 Orifice Flanges

Alloy Steel F1 Long Weld Neck Flanges

UNS K12822 Long Weld Neck Flanges, Alloy Steel 1.5415 Long Weld Neck Flanges, ASTM A182 Alloy Steel Long Weld Neck Flanges, ASME SA 182 Alloy Steel F1 Long Weld Neck Flanges

Alloy Steel F1 Spectacle Blind Flanges

UNS K12822 Spectacle Blind Flanges, ANSI / ASME B16.9 Alloy Steel 1.5415 Spectacle Blind Flanges, ASTM A182 Alloy Steel Spectacle Blind Flanges, ASME SA 182 Alloy Steel F1 Spectacle Blind Flanges

Alloy Steel F1 Forged Flanges

UNS K12822 Forged Flanges, B16.9 Alloy Steel Forged Flanges, ASTM A182 Alloy Steel F1 Forged Flanges, ASME SA182 Alloy Steel 1.5415 Forged Flanges

Alloy Steel F1 Plate Flanges

UNS K12822 Plate Flanges, ANSI B16.9 Alloy Steel F1 Plate Flanges, ASTM A182 Alloy Steel 1.5415 Plate Flanges, ASME SA182 Alloy Steel Plate Flanges

Alloy Steel Flanges Specification :

ASTM A182 / ASME SA182

Dimension Standard :

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard :

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Size :

1/2" (15 NB) to 48" (1200NB)

Class / Pressure :

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type :

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

DIN Flanges :

DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.

JIS Flanges :

JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K

BS Flanges :

BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Chemical Composition of Alloy Steel F1 Flanges

Grade	C	Mn	P	S	Si	Ni	Ch	Mo	Cb
F1	0.28	0.60 - 0.90	0.045	0.045	0.15 - 0.30	-	-	0.44-0.65	-

Mechanical Properties Of Alloy Steel F1 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
F1	485	275	20	-	143-192