Nascent Fittings Inc.·Hastelloy
Hastelloy 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
- Hastelloy
- Grades
- Hastelloy C-276, Hastelloy C-22, Hastelloy B-2 +
- Corrosion
- Exceptional
About
Hastelloy Flanges
Product overview combined with Hastelloy 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
- Chemical Processing
- Petrochemical
- Pollution Control
- Oil & Gas
- Pharmaceutical
- Pulp & Paper
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. |
Hastelloy grades
Available grades for Flanges
Drawn from the Hastelloy catalog and this product’s material specification.
Hastelloy C-276
UNS N10276
Nickel-molybdenum-chromium alloy for aggressive chemical service.
Best for · Severe corrosion and mixed oxidizing/reducing media
Hastelloy C-22
UNS N06022
Enhanced resistance to oxidizing aqueous media and localized corrosion.
Best for · Chemical processing and pollution control
Hastelloy B-2
UNS N10665
Nickel-molybdenum alloy designed for hydrochloric acid service.
Best for · Reducing acid environments
Hastelloy C-4 (N06455)
UNS N06455
Nickel-chromium-molybdenum alloy with excellent high-temperature stability and corrosion resistance.
Best for · High-temperature chemical service
Also available in
Other materials for this product
View Flanges in another material grade family.
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Material
Alloy Steel
F1 · F5
View
Material
Duplex Steel
F51
View
Material
Cupro Nickel
Cu-Ni 90/10 (C70600) · Cu-Ni 70/30 (C71500)
View
Material
Monel
Monel 400 · Monel K500
View
Material
Nickel Alloy
Nickel 200 · Nickel 201
View
Material
Titanium
Grade 1 · Grade 2
View
Material
Stainless Steel
F304 · F304H
View
Material
Carbon Steel
ASTM A234 WPB
View
Material
Low Temperature Carbon Steel
ASTM A420 WPL6
View
Material
Copper
C11000 (ETP) · C12200 (DHP)
View
Material
Copper Alloy
UNS C70600 (Cu-Ni 90/10) · UNS C71500 (Cu-Ni 70/30)
ViewConfigurations
Hastelloy Flanges types
Open a type for drawings-aligned specifications.

Hastelloy ASTM A182 SS 304 Flanges

Hastelloy ASTM A182 SS 304h Flanges

Hastelloy ASTM A182 SS 304l Flanges

Hastelloy ASTM A182 SS 310 Flanges

Hastelloy ASTM A182 SS 310s Flanges

Hastelloy ASTM A182 SS 310H Flanges

Hastelloy ASTM A182 SS 316 Flanges

Hastelloy ASTM A182 SS 316l Flanges

Hastelloy ASTM A182 SS 316Ti Flanges

Hastelloy ASTM A182 SS 317 Flanges

Hastelloy ASTM A182 SS 317l Flanges

Hastelloy ASTM A182 SS 321 Flanges

Hastelloy ASTM A182 SS 321h Flanges

Hastelloy ASTM A182 SS 347 Flanges

Hastelloy ASTM A182 SS 347h Flanges

Hastelloy ASTM A182 SS 410 Flanges

Hastelloy ASTM A182 SS 446 Flanges

Hastelloy ASTM A182 SS 904l Flanges
Compliance
Standards & certificates
Specifications and documentation support typically referenced for this product line.
Standards
16- 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
- 14ASTM B564
- 15ASTM B366
- 16ASTM B574
Certificates
3- ISO 9001:2008
- PED 97/23/EC
- MTC EN 10204 3.1
Manufacturing
Crafted with care
Workshop and production views for Hastelloy 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 Hastelloy ASTM A182 SS 321 Flanges?
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