ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN )

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ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN )

Name: ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN )
Brand: STELLINOX GLOBAL PRIVATE LIMITED
Price: 450.0 INR
Availability: InStock

Price 450.0 INR/ Piece

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MOQ : 10 Pieces

ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN ) Specification

Design
Welding Neck Flange

Color
Silver/Metallic

Facing
Other

Tolerance
ASME/ANSI B16.5 standards Millimeter (mm)

Fittings
Flanges

Process
Other

Coating
Rust-proof oil

Product Type
other

Material
Stainless Steel

Standard
Other

Technique
Other

Shape
Round

Thickness
Up to 150 mm Millimeter (mm)

Size
1/2 to 48 (DN15 to DN1200)

Marking
Standard marking on flange face or rim

Grade
321 / 321H

Heat Treatment
Solution annealed

Application
Petrochemical, Oil & Gas, Power Plant, Chemical Industries

Surface Finish
Smooth/Machined

Pressure Rating
150#, 300#, 600#, 900#, 1500#, 2500# (PN 6 to PN 400)

Type
Slip On, Weld Neck, Blind, Threaded, Lap Joint, Socket Weld, Orifice, Spectacle Blind

Temperature Range
-29C to 800C

Corrosion Resistance
Excellent against intergranular corrosion

Hardness
As per ASTM requirement

End Connection
Butt Weld, Threaded, Socket Weld

ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN ) Trade Information

Minimum Order Quantity
10 Pieces

Supply Ability
500 Pieces Per Month

Delivery Time
1 Week

ASTM A182 F321 / F321H Stainless Steel Forged Flanges ( ANSI B16.5 / BS 10 / DIN ) About

Stainless Steel 321 Flanges (UNS S32100 / W.Nr. 1.4541) are high-performance forged piping components designed for high-temperature and high-corrosion environments. Stabilized with Titanium, Grade 321 prevents intergranular corrosion during welding and continuous elevated temperature service between 425C and 850C. Manufactured in strict compliance with ASTM A182 / ASME SA182 standards, our SS 321 flanges provide reliable sealing, structural integrity, and exceptional thermal resistance for critical industrial piping networks.

Technical Specifications & Product Range

Standard Specifications: ASTM A182 / ASME SA182 F321, F321H (UNS S32100 / S32109).

Dimensional Standards: ANSI / ASME B16.5, ASME B16.47 Series A & B, EN 1092-1, DIN 2527 / 2573 / 2633, BS 10 Table D/E/F/H.

Flange Types: Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ), Spectacle Blind.

Pressure Ratings: Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 | PN6 to PN100.

Size Range: 1/2" NB to 24" NB (ASME B16.5) | 26" NB to 60" NB (ASME B16.47).

Face Types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Male & Female (M&F), Tongue & Groove (T&G).

Testing & Inspection: Positive Material Identification (PMI), Ultrasonic Testing, Hardness Testing, Radiography, Hydrostatic Testing. Certified with Mill Test Certificates (MTC EN 10204 3.1).

Key Advantages & Material Benefits

Titanium Stabilization: Prevents Chromium Carbide precipitation at grain boundaries during high-heat operations.

Elevated Temperature Performance: Retains high creep and stress-rupture resistance up to 850C compared to SS 304/316.

High Pressure Integrity: Precision forged construction ensures uniform grain structure, eliminating porosity and weakness under extreme pressure.

Primary Industrial Applications

Aerospace & Defense: Jet engine manifolds, exhaust collectors, and heavy-lift machinery piping.

Petrochemical & Oil Refineries: Thermal cracking units, hydrocrackers, and high-heat process piping.

Boilers & Power Plants: Superheater connections, steam lines, and heat exchangers.

Fertilizer & Chemical Units: High-temperature organic acid piping lines.

ASTM A182 F321 Flange, SS 321H Forged Flange, Stainless Steel 321 Flange Manufacturer, High Temp Stainless Flange Supplier, SS Flanges Exporter.

We are a trusted manufacturer and exporter of heavy-duty ASTM A182 F321 / F321H Stainless Steel Forged Flanges (Slip On, Weld Neck, Blind, Socket Weld). Engineered for high-temperature and critical corrosion-resistant applications, we cater to domestic industrial hubs across India (Mumbai, Gujarat, Pune, Chennai) as well as global export markets including Saudi Arabia (Riyadh, Jubail), Dubai (UAE), and Qatar. Supplied with complete Material Test Certificate (MTC EN 10204 3.1) and custom pressure ratings (150# to 2500#). Contact us for wholesale and export rates.

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