SS 321 flange manufacturer, ASTM A182 F321H weld neck flange

Secure top-quality ASME/ASTM A182 F321/F321H weld neck flanges, available in sizes from 1/2" to 72" inches.

Stainless Steel 321 and 321H flanges are engineered to excel under varying pressure ratings, spanning from 150 to 2500 and PN6 to PN64, ensuring their suitability for a diverse array of industrial applications. These flanges come in a multitude of types, including weld neck, slip-on, threaded, socket weld, and blind flanges, offering versatility to meet the unique requirements of different piping systems. Whether in aerospace, chemical processing, automotive manufacturing, or other industries, the corrosion-resistant properties of these flanges make them indispensable for critical operations where reliability is paramount.

In order to safeguard the integrity of Stainless Steel 321 and 321H flanges during transportation and storage, meticulous packaging practices are employed, adhering to industry-standard protocols. Through careful packaging, these flanges are shielded from potential damage and contamination, ensuring they arrive at their destination in pristine condition. Moreover, stringent testing procedures are implemented to validate the quality and performance of the flanges, encompassing hydrostatic testing, ultrasonic testing, and dimensional inspections. These rigorous tests serve to certify that the flanges meet exacting standards and specifications, providing assurance of their durability and reliability in even the most demanding environments.

SS 321 flanges supplier (S32100, 1.4541) | 321H (S32109, 1.4878) in different forms like socket weld and blind raised face flange and flat face flange

321 Stainless steel flange specifications

Grades & Standards01

ASME SA182, ASTM A182, F321, F321H

Size range 02

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Connection Type 03

Flat Face, Raised Face, RTJ, Lap Joint, Male and Female (M&F), Large and Small Tongue-and-Groove

Dimensions 04

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API-605, ASA, AWWA, Custom Drawings

Material Test Certificates 05

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Pressure Rating06

Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
PN6, PN10, PN16, PN25, PN40, PN64

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Maximize Performance: Explore Stainless Steel 321 Flanges, Tongue and Groove Flange, Slip-on Flange, for Superior Pipeline Solutions

Uncover our extensive collection of stainless steel 321 and 321H industrial flanges, spanning various standards. Dive into detailed specifications, including dimensions, weight charts, tolerance charts, and sizes for a wide array of flange types, from WNRF, WNFF, LWN, RFLWN, SOFF, SORF, SWRF, BLFF, BLRF, THRF, LJFF, LJRF, FF, RF, RTJ to Gi Flange.

SS 321H Flanges types

Stainless steel 321 Slip on Flange

ASTM A182 SS 321 Weld Neck Flange

SS 321H Blind Flange

SS 321H Socket Weld Flange

SS 321H Orifice Flange

Stainless Steel 321 RTJ Flange

stainless steel 321 Threaded Flange

SS 321H Lap Joint Flange

stainless steel 321 Spectacle Blind Flange

SS 321H Paddle Blind Flange

Stainless Steel 321 Ring Spacer Flange

Stainless Steel 321 Nipoflange

Stainless Steel 321 Weldoflange

SS 321 Tongue & Groove Flange

Buy SS 321 Flanges and SS 321H High Hub Blind Flange, Long Weld Neck Flange With An Outer Diameter Of 19mm-102mm as per ASTM A182

Stainless steel 321H Flanges chemical composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 - 19.00	0.10 max	9.00 - 12.00	5(C+N) – 0.70 max
SS 321H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 - 19.00	0.10 max	9.00 – 12.00	4(C+N) – 0.70 max

Stainless steel 321 Flanges mechanical properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1457 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Stainless steel 321H Flanges equivalent

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
SS 321	1.4541	S32100	SUS 321	X6CrNiTi18-10
SS 321H	1.4878	S32109	SUS 321H	X12CrNiTi18-9

Exporter and Distributor of SS 321H Flanges and ASTM A182 F321H Threaded Raised Face Flanges, WNRF Flanges to USA, Saudi Arabia, UAE, and Bahrain. From withstanding high pressures to delivering exceptional performance in corrosive settings, Stainless Steel 321 and 321H flanges are indispensable components across a multitude of industries. Their ability to maintain structural integrity under extreme conditions, coupled with their versatility and reliability, cements their status as essential elements in critical industrial operations. With stringent packaging and testing measures in place, these flanges offer peace of mind to engineers and operators, ensuring optimal performance and longevity in various applications.

01 What are the advantages of using SS 321 and 321H Flanges?

SS 321 and 321H Flanges offer superior resistance to intergranular corrosion and oxidation at elevated temperatures, making them ideal for high-temperature applications.
They exhibit excellent weldability and formability, allowing for ease of fabrication and installation in various industrial settings.
SS 321 and 321H Flanges demonstrate good mechanical properties, including high strength and toughness, ensuring reliability and durability in demanding operating conditions.

02 What are the typical applications of SS 321 and 321H Flanges?

SS 321 and 321H Flanges find widespread use in industries such as petrochemical, aerospace, automotive, and power generation. They are utilized in exhaust systems, furnace components, heat exchangers, and other equipment operating at high temperatures and corrosive environments.

03 Can SS 321 Flanges be used in cryogenic applications?

SS 321 Flanges are generally not recommended for cryogenic applications where temperatures drop below -196°C (-320°F). At such low temperatures, the material may become brittle and lose its ductility, compromising its structural integrity.

321 Stainless steel Flanges manufacturer