An ISO 9001, ISO 14001, OHSAS 18001 Certified Company & GOVT. OF INDIA RECOGNIZED EXPORT HOUSE, PED Certified, Pacific Steel Overseas is India’s most trusted manufacturer of Alloy Steel Flanges, Alloy Steel Pipe Flange and High Pressure Alloy Steel Flange. All our Alloy Steel Flanges are manufactured with tested raw materials and are supplied with NABL approved lab test reports. On demand, we can also provide, Hydro Testing Reports, Non Destructive Test Reports, or Destructive Test Reports. Alloy Steel Flanges are manufactured in accordance with ASTM, DIN and ISO specifications & 3.1 certified material.

Our Alloy Steel flanges, collars and rings are forged or seamless rolled. The manufacturing process includes an adequate heat treatment and the examination of technological and mechanical properties. The final finishing happens on appropriate CNC machines, as well as on conventional lathe, depending on the size. The screw holes are generally drilled to ensure a flat surface for srews. A Alloy Steel Flange, a collar or a seamless ring is produced to order by the corresponding flange standards DIN, EN, ANSI, GOST, JIS and other international norms and standards or according to customer specifications.

Pacific Steel Overseas is a specialized manufacturer in the production of Alloy Steel flanges with customized dimensions as per our customer drawing. Especially in the area of lapped (loose) flanges (DIN 2641/2642 / EN1092-1 Typ 02), flanges for soldering or welding (plate / plain flange) (DIN 2573/2576 / EN1092-1 Typ 01) and blind flanges (DIN 2527 / EN1092-1 Typ 05) price reductions could be realized by using reduced – but the demands sufficient – blade thicknesses instead of the standard.

We manufacture Alloy Steel flanges dimensions according to the complete standards range from DN10 up to DN2400, respectively 1/8” up to 60”. All other dimensions beyond this range on request.

Looking for Alloy Steel Flanges, A105 Carbon Steel Flanges, Certified Alloy Steel Flange, MS Flanges, Stainless Steel Flanges Manufacturer in India? Contact Pacific Steel Overseas for Quick Delivery & Best Price!

Alloy Steel Flanges Specification

Specification	ASTM A182 / A403 & ASME SA182 / SA403
Grade	ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Connect Type/ Flange Face Type	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Surface treatment	Anti-rust oil, transparent/ yellow/ black anti trst paint, Zinc, hot dipped galvanized
Size Range	1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Pressure	DIN:PN6 PN10 PN16 PN25 PN40; ANSI: class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-PN6, PN10, PN16, PN25, PN40, PN64 etc. JIS: 5K, 10 K, 16 K 20 K,30 K,40 K, 63 K;
Standard	ANSI DIN,GOST,JIS,UNI,BS,AS2129,AWWA,EN,SABS,NFE etc. ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange

• B.S : BS4504 , BS3293, BS1560, BS10
• DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638
• ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
• ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
• ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
• AS 2129: table D; table E; table H
• The other standard:AWWA C207;EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
• American standard (ANSI)
• German (DIN)
• British standard (BS)
• Any other specilised flanges.

Production technique:

• Forged, Heat treated and machined

Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

Alloy Steel Threaded Flange, Slip-On Flange, Socketweld Flange, Weld Neck Flange, Blind Flange

TestDirect-reading Spectrograph,Hydrostatic testing machine,X-ray detector,UI trasonic flaw detector,Magnetic particle detectorEquipmentPress machine ,Bending machine,Pushing Machine,electric bevelling machine Sand-blasting machine,etcOriginWest Europe / Japan / Indian / USA / KoreanTest CertificatesManufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection ReportSpecialized manufacturer ofAlloy Steel Blind Flanges, Alloy Steel Table Flanges, Alloy Steel Weld Neck Flanges, Alloy Steel Threaded Flanges, Alloy Steel Slip-On Flanges, Alloy Steel Socketweld Flanges, Alloy Steel Plate Flanges, Alloy Steel Lap Joint Flanges, Alloy Steel Loose Flanges, and Alloy Steel Orifice Flanges. Alloy Steel AS 4087 Water Flanges are available in class 150, 300, 600, 900, 1500 and 2500.Key markets and industries for Alloy Steel Flanges

• Bitumen upgraders.
• Heavy oil refineries.
• Nuclear power (mostly seamless).
• Petrochemicals and acids.

Reason to choose Alloy Steel Pipe Flanges, Key properties

• Depending on alloy, highly resistant to highest temperatures (Inconel), corrosion and acids (Monel, Hastelloy).
• High price restrains use to applications where other metals would fail.

Similar Pipe Flange Key grades

• ASTM A182 F1 Flanges
• ASTM A182 F5 Flanges
• ASTM A182 F9 Flanges
• ASTM A182 F11 Flanges
• ASTM A182 F22 Flanges
• ASTM A182 F91 Flanges
• ASTM A182 F911 Flanges
• SS 304 Flanges
• SS 304L Flanges
• SS 304H Flanges
• SS 310 Flanges
• SS 310S Flanges
• SS 316 Flanges
• SS 316L Flanges
• SS 317 Flanges
• SS 317L Flanges
• SS 321 Flanges
• SS 321H Flanges
• SS 347 Flanges
• SS 347H Flanges
• SS 410 Flanges
• SS 446 Flanges
• SS 904L Flanges
• F51 Duplex Flanges

Alloy Steel Flanges Type / size range

We produce the size range DN15 – DN2500, according to the respective valid norm.

For larger dimensions or dimensions outside the standards please contact us directly

Type	Dimension range *	Drawing**
Alloy Steel Blind Flanges Alloy Steel Blind Flanges	DN15 – DN2500 ½ “- 24”	DIN2527 PN16 DN150 BL 300lb 6 “
Alloy Steel Threaded with neck Alloy Steel Threaded Flanges	DN15 – DN150 ½ “- 24”	DIN2566 DN32 / 42.4 TH 300lb 1 “
Flanges smooth for welding	DN15 – DN2500	DIN2576 DN150
Alloy Steel Welding neck Alloy Steel Welding Neck Flanges	DN15 – DN2500 ½ “- 24” Dy10 – Dy2400	DIN2635 DN150 / 168.3 WN 300lb 6 “GOST Dy150 Py16
Alloy Steel loose flanges, smooth Bunde	DN15 – DN2500	DIN2642 DN150
Alloy Steel loose flanges Stub	DN15 – DN2500	DIN2673 DN150
Alloy Steel Welding flanges with neck Alloy Steel Slip On Flanges	DN15 – DN2500 ½ “- 24” Dy10 – Dy2400	DIN86030 DN150 SO 300lb 6 ” GOST
Alloy Steel Lap Joint Flanges	½ “- 24”	LJ 300lb 6 “
Alloy Steel Socket Welding Flanges	½ “- 3”	SW 300lb 6 “

Alloy Steel Flanges

Forged and Plate Flanges suppliers

Product		Size
Alloy Steel Slip-On Flanges	Alloy Steel Threaded Flanges	1/2″ – 36″ Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Alloy Steel Weld Neck Flanges	Alloy Steel Socket Weld Flanges
Alloy Steel Blind Flanges	Alloy Steel Reducing Flanges
Alloy Steel Lap Joint Flanges	Alloy Steel Plate Flanges

Types of Alloy Steel Flanges

Manufacturer, supplier & distributor of high integrity Alloy Steel Flanges , producing high quality ANSI B16.9, MSS-SP-43 Flanges . All our Special Steel Flanges conform to relevant material and dimensional specifications and can be supplied complete with material certificates to EN 10204 3.1.