Infinity Steel Industries LLP

Flanges Manufacturer & Supplier In India

Infinity Steel Industries LLP is a trusted manufacturer, supplier, and exporter of a wide range of industrial flanges in various ASTM-grade materials. We offer slip-on, weld neck, blind, socket weld, lap joint, and threaded flanges designed to provide secure and leak-proof connections in piping systems. Our flanges are manufactured with high strength, dimensional accuracy, and excellent durability, making them suitable for oil & gas, petrochemical, power generation, chemical processing, marine, and other industrial applications. All our flanges are manufactured in accordance with international standards such as ANSI, ASME, DIN, and EN to ensure consistent quality, reliable performance, and long service life.

Stainless Steel Flanges Grades and Specification

Specifications : ASTM A182 / ASME SA182

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

Flange Size : 1/2" (15 NB) to 48" (1200NB)

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

SS Flange Standard :

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

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

Specialized manufacturer of : Rtj Flanges, Pn16 Flanges, DIN 2566 pn16, DIN 2566 en 1092 1, DIN 2566 pn10, Lap Joint Flanges, Loose Flange, Orifice Flange, AS 4087 Water Flanges, Weld Neck Flanges, Slip-On Flanges, Socketweld Flange, Plate Flanges, Large Diameter Flanges, Sorf Flange, Blind Flanges, Table Flange

Products We Have Available

Stainless Steel Flanges
Duplex & Super Duplex Steel Flanges
Inconel Flanges
Monel Flanges
Hastelloy Flanges
Nickel Alloy Flanges
Titanium Flanges
Other Alloy & Custom Flanges

Stainless Steel Flanges, ASME SA182 SS Pipe Flange, ANSI B16.5 Stainless Steel Slip On Flange Price in India

Infinity Steel Industries LLP offers Stainless Steel Flanges in various grades including ASTM A182 F304, F304L, F304H, F316, F316L, F316Ti, F321, F321H, F347, F347H, and F904L. Our flanges are available in ANSI B16.5, ASME B16.47, and other international standards to meet diverse industrial requirements. The chromium and nickel content in stainless steel provides excellent corrosion resistance, high strength, and long-lasting durability. Our Stainless Steel Slip On Flanges are precisely manufactured to ensure proper pipe fitment and secure, leak-proof connections for oil & gas, petrochemical, chemical, power generation, marine, and other industrial applications.

Alloy Steel Blind Flanges, ASME SA182 Alloy Steel Pipe Flange, ANSI B16.5 Alloy Steel Slip On Flange Price in India

Infinity Steel Industries LLP offers high-quality Alloy Steel Flanges manufactured in accordance with ASME SA182, ANSI B16.5, B16.47, and other international standards. These flanges are available in different grades and dimensions to meet the requirements of various industrial applications. Alloy Steel Flanges provide excellent strength, toughness, wear resistance, and durability, making them suitable for high-pressure and high-temperature piping systems. Our Alloy Steel Blind Flanges and Slip On Flanges are precisely manufactured to ensure accurate fitment, secure connections, and reliable performance in oil & gas, petrochemical, power generation, chemical processing, and other demanding industries.

Flanges Come In Various Types

Slip On Flanges

Weld Neck Flanges

Blind Flanges

Screwed Threaded Flanges

Socket Weld Flanges

Lap Joint Flanges

Long Weld Neck Flanges

Ring Type Joint Flanges

Spectacle Blind Flanges

Stainless Steel Flanges Price List

Stainless Steel Screwed Flanges	Per Unit (INR)	SS ASTM A182 Flange (UAE Dirham)	SS Flange Material (Saudi Riyal)
Flanges SS A182 Gr F304/304L Flange WN 150 RF 304/304L SS IOS Bore Item Flange - Weld Neck - ASME Class (35 pcs)	323	16.69	17.05
SS Seamless Butt-Welded Flange / Fittings (Pipe Fittings) Grade 904L	1,336	69.05	70.53
Flanges SS A182 Gr F304/304L Flange WN 150 RF 304/304L SS IOS Bore Item Flange - Weld Neck - ASME Class (59 pcs)	385	19.90	20.32
Flange SS Gr SA182 F316 ANSI B16.5 DN 20, 300# Sch 40s, Weld Neck RF (12 pcs)	476	24.60	25.13
Flanges SS A182 Gr F304/304L Flange WN 150 RF 20B462 40/S Bore Item Flange - Type - Weld Neck (3 pcs)	811	41.92	42.81
Flange SS Gr SA182 F316 ANSI B16.5 DN25, 150# Sch 10s, Weld Neck RF (60 pcs)	487	25.17	25.71

Flanges Application & Uses

Flanges used in connecting pipes, valves, and pumps for easy assembly
Stainless Steel Flanges used in chemical and pharmaceutical industries
Flanges used in oil & gas pipelines for high-pressure connections
Carbon Steel Flanges used in water supply and sewage systems
Alloy Steel Flanges used in power plants and high-temperature environments
Duplex & Super Duplex Flanges used in marine and offshore applications
Flanges used in food processing and beverage industries
Blind Flanges used for pipeline maintenance and safety sealing
Slip-on and Weld Neck Flanges for industrial equipment and piping systems

Contact Infinity Steel Industries LLP

+91 7039 129 601 prakash@infinitysteelindustries.com

ASTM / ASME / AISI Flanges Dimension & Sizes

FLANGE NPS	Outside Diameter	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	Raised Face Thickness (T)	Flat Face Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2″	3.50″	2.38″	1.38″	.063″	.44″	.38″	.62″	4
3/4″	3.88″	2.75″	1.69″	.063″	.50″	.44″	.62″	4
1″	4.25″	3.12″	2.00″	.063″	.56″	.50″	.62″	4
1-1/4″	4.62″	3.50″	2.50″	.063″	.62″	.56″	.62″	4
1-1/2″	5.00″	3.88″	2.88″	.063″	.68″	.62″	.62″	4
2″	6.00″	4.75″	3.62″	.063″	.75″	.69″	.75″	4
2-1/2″	7.00″	5.50″	4.12″	.063″	.88″	.82″	.75″	4
3″	7.50″	6.00″	5.00″	.063″	.94″	.88″	.75″	4
3-1/2″	8.50″	7.00″	5.50″	.063″	.94″	.88″	.75″	8
4″	9.00″	7.50″	6.19″	.063″	.94″	.88″	.75″	8
5″	10.00″	8.50″	7.31″	.063″	.94″	.88″	.88″	8
6″	11.00″	9.50″	8.50″	.063″	1.00″	.94″	.88″	8
8″	13.50″	11.75″	10.62″	.063″	1.12″	1.06″	.88″	8
10″	16.00″	14.25″	12.75″	.063″	1.19″	1.13″	1.00″	12
12″	19.00″	17.00″	15.00″	.063″	1.25″	1.19″	1.00″	12
14″	21.00″	18.75″	16.25″	.063″	1.38″	1.32″	1.12″	12
16″	23.50″	21.25″	18.50″	.063″	1.44″	1.38″	1.12″	16
18″	25.00″	22.75″	21.00″	.063″	1.56″	1.50″	1.25″	16
20″	27.50″	25.00″	23.00″	.063″	1.69″	1.63″	1.25″	20
22″	29.50″	27.25″	25.25″	.063″	1.81″	1.75″	1.38″	20
24″	32.00″	29.50″	27.25″	.063″	1.88″	1.82″	1.38″	20

ASTM / ASME / AISI Flanges Weight Chart

Nominal Pipe Size	“A” (O.D.)	“B” (Thk.)	“C” (RF Dia.)	“D” (B.C.D.)	# Bolt Holes	Dia. of Bolt Holes	Approx. Weight
1/2″	3-3/4	9/16	1-3/8	2-5/8	4	5/8	2
3/4″	4-5/8	5/8	1-11/16	3-1/4	4	3/4	3
1″	4-7/8	11/16	2	3-1/2	4	3/4	4
1-1/4″	5-1/4	3/4	2-1/2	3-7/8	4	3/4	6
1-1/2″	6-1/8	13/16	2-7/8	4-1/2	4	7/8	7
2″	6-1/2	7/8	3-5/8	5	8	3/4	8
2-1/2″	7-1/2	1	4-1/8	5-7/8	8	7/8	12
3″	8-1/4	1-1/8	5	6-5/8	8	7/8	16
3-1/2″	9	1-3/16	5-1/2	7-1/4	8	7/8	21
4″	10	1-1/4	6-3/16	7-7/8	8	7/8	28
5″	11	1-3/8	7-5/16	9-1/4	8	7/8	37
6″	12-1/2	1-7/16	8-1/2	10-5/8	12	7/8	48
8″	15	1-5/8	10-5/8	13	12	1	79
10″	17-1/2	1-7/8	12-3/4	15-1/4	16	1-1/8	122
12″	20-1/2	2	15	17-3/4	16	1-1/4	183
14″	23	2-1/8	16-1/4	20-1/4	20	1-1/4	241
16″	25-1/2	2-1/4	18-1/2	22-1/2	20	1-3/8	315
18″	28	2-3/8	21	24-3/4	24	1-3/8	414
20″	30-1/2	2-1/2	23	27	24	1-3/8	515
24″	36	2-3/4	27-1/4	32	24	1-5/8	800
1/16″ raised face included in flange thickness.

Stainless Steel Flange Pressure Rating

Standard	Flange Types	Pressure Class
ASME/ANSI B 16.36	Welding Neck Flange, Slip-on Flange, Threaded Flange	300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.5	Welding Neck Flange, Slip-on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange	150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47	Welding Neck Flange, Blind Flange [Series A & B]	75, 150, 300, 400, 600, 900
BS 4504 SEC 3.1	Welding Neck Flange, Hubbed Slip-on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange	PN 2.5 TO PN 40
BS 4504 [PART 1]	Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld-On Plate Collar, Blank Flange	PN 2.5 TO PN 400
BS 1560 BOSS	Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange	150, 300, 400, 600, 900, 1500, 2500
BS10	Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange	TABLE D, E, F, H
DIN FLANGES	DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2673	PN 6 TO PN 100

Client Projects for Pipe Fittings Supplier in India:-

We regularly supply these products to different cities in India. We have a huge clientele covering more than 55 cities in India and 33 countries worldwide. We are known as Pipe Fittings Supplier and Exporters.

Product Supplied	City
Elbow Pipe Fittings for Automobile Industry	Mumbai, Maharashtra
Tee Pipe Fittings Supply	Hyderabad, Telangana
Reducer Pipe Fittings for Water Supply System	Bangalore, Karnataka
Bends Pipe Fittings for Chemical Industry	Surat, Gujarat

Flanges