Pipe Fittings & Flanges – High-Quality Stainless Steel Solutions

1. Introduction to Stainless Steel Flanges

Stainless steel flanges are essential components in piping systems, connecting pipes to pipes or pipes to valves. They feature bolt holes for secure assembly and are often used in pairs or with flanged valves.

Key flange types:

• Weld Neck Flange
• Slip-On Flange
• Blind Flange
• Socket Weld Flange
• Threaded Flange
• Lap Joint Flange (RTJ Flange)

Applications:

• Pipeline engineering
• Oil & gas facilities
• Chemical plants
• Power generation
• Water treatment and industrial piping

Our Advantages:

• Fast delivery and full range of materials
• Full set of swivel ring flanges, including gaskets and bolts
• Custom fabrication available
• Package supply of piping materials
• Overlay process and third-party inspection available

2. Introduction to Stainless Steel Pipe Fittings

Pipe fittings are used to connect equipment, change flow direction, or adapt piping systems. They are indispensable in industries such as:

• Chemical & Petrochemical
• Water treatment & Municipal
• Oil & Gas
• Food, Beverage & Dairy
• Shipbuilding & Marine
• Paper & Pulp
• Power & Process Instrumentation
• Semiconductor & Sanitation

Popular stainless steel fittings include:

• Stainless Steel Elbow (Long/Short Radius)
• Stainless Steel Tee
• Stainless Steel Reducer (Concentric/Eccentric)
• Stainless Steel Cap (Butt Weld, Socket Weld, Threaded)
• Olets (Weldolet, Sockolet, Thredolet, Elbolet, Nipolet)

3. Materials & Grades of Pipe Flanges

Stainless Steel Flanges:

• ASTM A182, A240 F304/304L/304H, F316/316L/316Ti, F310, F321, F904L

Carbon Steel Flanges:

• ASTM/ASME A105, A350 LF2, A516 Gr.70, A36, A694 F42-F52

Low Temperature Flanges:

• ASTM A350 LF2, LF3, LF6

Alloy Steel Flanges:

• ASTM/ASME A182, A387 F1-F22, F91

Duplex & Super Duplex Steel:

• ASTM/ASME A182 F44-F61

Nickel Alloy Flanges:

• HASTELLOY C276, INCONEL 600/601/625/825, MONEL 400, ALLOY 20, NICKEL 201/200

High Yield Flanges:

• ASTM A694 F42-F70

Specifications:

• Dimension range: 1/2” – 48” (DN12 – DN1200)
• Pressure ratings: 150# – 2500#, API 2000PSI – 20000PSI
• Standards: ANSI B16.5/B16.47, MSS SP44, API6A/17D, Manufacturer Standard

4. Stainless Steel Pipe Fittings Specifications

Elbow:

• Long Radius (LR) / Short Radius (SR)
• Sizes: Seamless 1/2”–24” (DN15–DN600), Welded 4”–72” (DN150–DN1800)
• Wall thickness: Sch.5S–Sch.XXS
• Standards: ASTM A234 WPB, ASME B16.9, MSS SP-43, DIN 2617, JIS B2313

Reducer:

• Concentric & Eccentric
• Sizes: Seamless 1/2”–24”, Welded 18”–80”
• Standards: ASTM A403
• Materials: 304/304L/304H, 310S, 316/316L/316Ti, 317/317L, 321/H, Duplex & Super Duplex, 904L

Cap:

• Butt Weld, Socket Weld, Threaded
• Sizes: 1/2”–48” (DN12–DN1200)
• Wall thickness: 2–80mm
• Materials: ASTM A403, 304/304L, 316/316L, 316Ti, 321, 317L, 310S

Olets:

• Types: Weldolet, Sockolet, Thredolet, Elbolet, Nipolet, Latrolet, Flexolet, Coupolet
• Sizes: 1/8”–48”
• Pressure: 3000/6000/9000 LBS
• Packaging: Plywood cases or pallets

5. Applications of Pipe Fittings & Flanges

Pipe fittings are vital for:

• Transferring liquids, gases, steam, slurries, and solids
• Handling hazardous chemicals safely
• Protecting sensitive equipment from high pressure
• Ensuring chemical and corrosion resistance in extreme conditions

Industries served:

• Chemical / Petrochemical
• Oil & Gas
• Food & Beverage
• Power & Energy
• Water Treatment & Municipal
• Paper & Pulp
• Semiconductor & Electronics
• Marine, Shipbuilding & Dredging
• Irrigation, Sanitation, Residential, Roads & Highways

Flanges are integral in pipelines, ships, power plants, chemical & fertilizer industries. Materials and types vary according to fluid, pressure, and environmental conditions: stainless steel, carbon steel, alloy steel, duplex/super duplex, nickel alloys.

Why Choose PM-E.vn – Phúc Minh?

• Reliable supplier of industrial stainless steel pipe fittings & flanges in Vietnam
• Wide variety of materials, sizes, pressure ratings, and standards
• Custom fabrication and package supply available
• Overlay process & third-party inspection for quality assurance
• Fast delivery and professional technical support

📞 Hotline: +84 907 450 506 – +84 902 720 814
📧 Email: info@pm-e.vn

Phuc Minh – The Perfect Industrial Pipe & Fitting Solution!