Nascent Fittings Inc.·Duplex Steel
Duplex Steel ASTM A182 SS 321 Flanges
Weld neck, slip-on, blind, socket weld & lap joint flanges in SS, CS, alloy, duplex & nickel. ASME B16.5/B16.47, Class 150–2500, MTCs & export.
- Material
- Duplex Steel
- Grades
- F51
- Corrosion
- Excellent
About
Duplex Steel Flanges
Product overview combined with Duplex Steel material context for project selection.
Our integrated facilities include facilities for cutting, forging, ring rolling and machines with CNC lathes, CNC drilling, high capacity forging press and mobile manipulator for making big diameter forged round bars. We also have an in-house heat treatment shop and well equipped laboratory facilities for ensuring the quality of our products.
Manufacturing note
ASTM A182 SS 321 Flanges of different shapes and sizes and with different specifications as per the customers requirement. Nascent Fit Inc, is the world leader in ASTM A182 SS 321 Flanges. We cater to the huge global demand of our customers who are spread across 6 continents and around 90 countries. We are reputed and well known across the globe for their reliability and quality. At Nascent, we treat our customers as our partners by providing them with our products and solutions. And this ethos is displayed in not only our thoughts but also in our actions.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Marine
- Desalination
Technical data
ASTM A182 SS 321 Flanges specifications
Specifications
| ASTM A182 SS 321 Flanges | Specification |
|---|---|
| Type of ASTM A182 SS 321 Flanges | ASTM A182 SS 304 Weld Neck, ASTM A182 SS 304 Socket Weld, ASTM A182 SS 304 Slip-on, ASTM A182 SS 304 Blind, ASTM A182 SS 304 Screwed/Threaded, ASTM A182 SS 304 Long Weld Neck, ASTM A182 SS 304 Lap Joint, ASTM A182 SS 304 Spectacle Blind |
| Size | 15NB To 1200NB, ANSI B 16.5 |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
| Stainless Steel | ASTM A182 F-304/304H/304L/316/316H/316/316Ti, 309, 310, 317L, 321, 347, 904L |
| Duplex and Super-Duplex Steel | ASTM A 182-F51, F53, F55 |
| Nickel | ASTM B 564 N02200, N02201 |
| Inconel | ASTM B 564 N06600, N06601, N06617, ASTM B 564 N07718, ASTM B 564 N06625 |
| Incoloy | ASTM B 564 N08800, N08810, ASTM B 564 N08825, ASTM B 564 N08020 |
| Hastelloy | ASTM B 564 N10276, N06022, ASTM B 564 N10665, ASTM B 564 N06455 |
| Titanium-Commercially | ASTM B 861, 862, 338 Gr.1 R 56250(CP4) |
| Titanium-Pure | Gr.2 R 50400(CP3) Gr.3 R 50550(CP2) Gr.4 R 50700(CP1) Gr.7 R 52400 Gr.11 R 52250 |
| Titanium-Alloys | ASTM B 861, 862, 338 Gr.5 R 56400(6AI-4V) Gr.23 R 56401(6AI-4V-ELI) Gr.12 R 53400 |
| Cupro Nickel | ASTM B 171 C70600(90:10), ASTM B 171 C71500(70:30) |
| Monel | ASTM B 564 N04400 DIN N05500 |
| Carbon Steel | ASTM A 234 WPB, IS 1239 PART II |
| Alloys Steel | ASTM A 234 WPB WP5, WP9, WP11, WP12, WP91 |
| Low Temp. CS | ASTM A-420 WPL6 |
| Other Service | Hot Dip Galvanizing, Sand Blasting |
| Test Certificate | Manufacturer Test Certification En 3.1 and 3.2, IBR Test Certificate |
| Specializing In:Large Diameter CS Pipes and Duplex Steel | Inconel®, Incoloy®, Monel®, Hastelloy®, Duplex® are Registered Trade Marks of their Respective Owners. |
Duplex Steel grades
Available grades for Flanges
Drawn from the Duplex Steel catalog and this product’s material specification.
F51
UNS S31803
Most common duplex grade.
Also available in
Other materials for this product
View Flanges in another material grade family.
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Material
Alloy Steel
F1 · F5
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Material
Cupro Nickel
Cu-Ni 90/10 (C70600) · Cu-Ni 70/30 (C71500)
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Material
Monel
Monel 400 · Monel K500
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Material
Nickel Alloy
Nickel 200 · Nickel 201
View
Material
Hastelloy
Hastelloy C-276 · Hastelloy C-22
View
Material
Titanium
Grade 1 · Grade 2
View
Material
Stainless Steel
F304 · F304H
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Material
Carbon Steel
ASTM A234 WPB
View
Material
Low Temperature Carbon Steel
ASTM A420 WPL6
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Material
Copper
C11000 (ETP) · C12200 (DHP)
View
Material
Copper Alloy
UNS C70600 (Cu-Ni 90/10) · UNS C71500 (Cu-Ni 70/30)
ViewConfigurations
Duplex Steel Flanges types
Open a type for drawings-aligned specifications.
Duplex Steel ASTM A182 SS 304 Flanges
Duplex Steel ASTM A182 SS 304h Flanges
Duplex Steel ASTM A182 SS 304l Flanges
Duplex Steel ASTM A182 SS 310 Flanges
Duplex Steel ASTM A182 SS 310s Flanges
Duplex Steel ASTM A182 SS 310H Flanges
Duplex Steel ASTM A182 SS 316 Flanges
Duplex Steel ASTM A182 SS 316l Flanges
Duplex Steel ASTM A182 SS 316Ti Flanges
Duplex Steel ASTM A182 SS 317 Flanges
Duplex Steel ASTM A182 SS 317l Flanges
Duplex Steel ASTM A182 SS 321 Flanges
Duplex Steel ASTM A182 SS 321h Flanges
Duplex Steel ASTM A182 SS 347 Flanges
Duplex Steel ASTM A182 SS 347h Flanges
Duplex Steel ASTM A182 SS 410 Flanges
Duplex Steel ASTM A182 SS 446 Flanges
Duplex Steel ASTM A182 SS 904l Flanges
Compliance
Standards & certificates
Specifications and documentation support typically referenced for this product line.
Standards
14- 01ASME A182
- 02DIN Flanges
- 03ANSI B 16.5
- 04ASTM A182
- 05ASTM A 182-F51
- 06ASTM B 564
- 07ASTM B 861
- 08ASTM B 171
- 09ASTM A 234
- 10ASTM A-420
- 11En 3
- 12IS 1239 PART II
- 13DIN N05500
- 14ASME SA182
Certificates
5- EN 10204 3.1
- NACE MR0175
- ISO 9001
- PED
- IBR
Manufacturing
Crafted with care
Workshop and production views for Duplex Steel ASTM A182 SS 321 Flanges — the same craftsmanship photos from our plant archives, shown in webp.
2 photos
People also ask
Questions about Flanges
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Flanges?+
Yes. Nascent Fittings Inc. manufactures and supplies Flanges for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Flanges worldwide?+
Yes. We export Flanges globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Flanges?+
Flanges is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for Duplex Steel ASTM A182 SS 321 Flanges?
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