Forged Steel Slip-On Flanges

Manufacturer • Exporter • Supplier • Dealers • Distributors • Stockists Worldwide • Wholesalers

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Company Overview – Dipti Metal Industries

DIPTI METAL INDUSTRIES, established in 2009 by Kumpsingh Rajput, is a globally recognized manufacturer, exporter, and supplier of forged steel slip-on flanges.

From our state-of-the-art manufacturing facility in Mumbai, India, we supply to 65+ countries across North America, Europe, the Middle East, Africa, Southeast Asia, Japan, and Oceania.

We specialize in ANSI/ASME, EN, DIN, BS, JIS, GOST, and ISO compliant flanges, backed by:

• ISO-certified quality systems

• CNC precision machining

• AI-enhanced supply chain for fast global delivery

• Mill Test Certificates (EN 10204 3.1 / 3.2) for complete material traceability

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Product Description

Forged steel slip-on flanges (SO flanges) are designed to slip over the end of a pipe and are secured with fillet welds both inside and outside for a leak-proof connection.

They are widely used for:

• Easy alignment and installation in piping systems

• Cost-effective connections in medium-pressure lines

• Compatibility with multiple pipe schedules & materials

Face Types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Sizes: DN10–DN4000 / ½”–144”
Pressure Classes: ASME Class 150 to 2500 / DIN PN6 to PN40 / JIS 5K to 30K

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Standards & Dimensions

USA / North America

• ASME/ANSI B16.5: ½”–24”, Class 150–2500

• ASME/ANSI B16.47 Series A/B: 26”–60”

• ASME B16.36 / B16.48: Orifice & spectacle flanges

Europe & UK

• EN 1092-1: PN6, PN10, PN16, PN25, PN40

• BS 4504 / BS 10 Table D–J

Germany / EU (DIN)

• DIN 2576 PN10, DIN 2543 PN16, DIN 2501 PN6–PN40

Japan (JIS)

• JIS B2220: 5K, 10K, 16K, 20K, 30K

Russia / CIS (GOST)

• GOST 12820-80, GOST 12821-80

Global / International

• ISO 7005-1, SANS 1123

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Material Grades & International Equivalents

Carbon Steel

• ASTM/ASME: A105 / SA105N

• EN/DIN: C22.8 (1.0460)

• JIS: SF440A

Low Temperature Carbon Steel

• ASTM: A350 LF2 Cl.1 / Cl.2

• EN/DIN: P355NL1 (1.0566)

Alloy Steel

• ASTM: A182 F5, F9, F11, F12, F22, F91

• EN/DIN: 13CrMo4-5 (1.7335), 10CrMo9-10 (1.7380)

Stainless Steel

• ASTM: A182 F304/L, F316/L, F321, F347, F904L

• EN/DIN: 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, 1.4539

• JIS: SUS304, SUS304L, SUS316, SUS316L

Duplex & Super Duplex

• ASTM: A182 F51, F53, F55

• EN/DIN: 1.4462, 1.4410, 1.4501

Nickel Alloys

• ASTM: Monel 400 (N04400), Inconel 625 (N06625), Incoloy 825 (N08825), Hastelloy C276 (N10276)

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Applications

• Oil & Gas pipelines

• Petrochemical & refinery plants

• Marine & offshore structures

• Power plants & energy projects

• Water treatment & desalination

• Heavy engineering & infrastructure

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Export Markets

North America: USA, Canada, Mexico
Europe: Germany, UK, France, Italy, Spain, Netherlands, Poland
Middle East: UAE, Saudi Arabia, Qatar, Oman, Kuwait
Asia-Pacific: Japan, Singapore, Malaysia, Thailand, South Korea, Australia, New Zealand
Africa: South Africa, Egypt, Nigeria, Kenya
South America: Brazil, Argentina, Chile

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Packing & Logistics

• Packing: Wooden crates, pallets, fumigated boxes

• Protection: Rust-preventive oil, moisture barrier wrapping

• Shipping: Sea freight (FCL/LCL), air freight, express courier

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Why Choose Dipti Metal Industries

• Full-spectrum supply role: Manufacturer • Exporter • Supplier • Dealer • Distributor • Stockist • Wholesaler

• Multi-standard compliance: ASME, EN, DIN, JIS, GOST, ISO

• Large inventory: Urgent order fulfillment

• Custom solutions: Material, coating, marking & packaging to client needs