SS 321 Forged Fittings

SS 321 forged fittings are an advanced solution in India’s evolving industrial ecosystem, blending high-temperature strength with long-lasting durability and precision engineering. Forged from stainless steel grade 321, stabilized with titanium to resist carbide precipitation, these fittings excel in applications that demand resilience against extreme heat and corrosive environments. Their superiority lies in the forging process, where stainless steel billets are heated and shaped under controlled pressure to eliminate defects, followed by machining, threading, and rigorous non-destructive testing. This ensures tight grain structure, dimensional accuracy, and compliance with ASTM, ASME, and ANSI standards, making them stronger and more reliable than cast alternatives. The result is fittings that withstand high pressure, cyclic heating, and chemical aggression, offering industries in India a solution that balances strength with long service life. From refineries, petrochemicals, and thermal power plants to pharmaceuticals, food processing units, and marine applications, SS 321 forged fittings are the backbone of operations where safety, efficiency, and hygiene cannot be compromised. Their durability in coastal and high-temperature regions of India reduces maintenance costs, ensures leak-proof performance, and contributes to sustainable infrastructure—qualities that have elevated them as a trusted choice for engineers, manufacturers, and global buyers alike.

The historical presence of SS 321 forged fittings in India aligns with the country’s post-independence industrial expansion, where stainless steel became central to refineries, steel plants, and chemical industries. Over decades, Indian manufacturers have honed their expertise, creating fittings that not only meet domestic demands but also position India as a global exporter of stainless steel solutions. Their role in India’s modernization reflects engineering excellence, adaptability, and a legacy of resilience. SS 321 forged fittings embody the trust and authority buyers seek. They are more than connectors; they represent India’s capacity to integrate modern technology with traditional strength, offering industries solutions that are future-ready and historically proven. Whether securing high-pressure pipelines, enabling hygienic fluid transfer, or reinforcing structural frameworks, these fittings stand as a symbol of reliability, sustainability, and India’s industrial progress. Choosing SS 321 forged fittings today means investing not only in unmatched performance but also in a product that carries forward decades of trust, engineering mastery, and global recognition.

321/321H SS Forged Fittings Equivalent Grades

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

SS 321/321H Socket Weld Elbow

SS 321 Forged Elbow, UNS S32100 / S32109 Threaded Elbow, DIN 1.4878 Forged Elbow, ASME SA 182 SS F321H 45 deg Threaded Elbow, Stainless Steel 321 90 deg Forged Elbow

SS 321/321H Forged Tee

ASME SA182 SS 321H Socket Weld Tee, ASTM A182 Stainless Steel 321 Forged Equal Tee, DIN 1.4541 Reducing Tee, UNS S32109 Unequal Tee, SS 321 / 321H Reducing Tee, SS 321 Threaded Equal Tee

SS 321/321H Forged Cross

SS A182 F321 Threaded Equal Cross, UNS S32100 / DIN 1.4541 Forged Cross, ASME SA182 SS 321H Socketweld Equal Cross, SS 321 Threaded Cross, Stainless 321 Reducing Cross, SS 321H Forged Unequal Cross Supplier

SS 321/321H Full Coupling

DIN 1.4541 Threaded Full Coupling, UNS S32100 Forged Full Coupling, ASME SA 182 Stainless Steel 321H Socketweld Full Coupling, ASTM A182 321 SS Full Coupling

SS 321/321H Forged Half Coupling

ASTM A182 F321 Stainless Steel Socket Weld Half Coupling, SS UNS S32100/ S32109 Half Coupling, ANSI B16.11 SS 321 Threaded Half Coupling

SS 321/321H Forged Pipe Cap

UNS S32100 Forged Pipe End Cap, Stainless Steel 321 Threaded Pipe Cap, ASTM A182 F321 Stainless Steel Socketweld Pipe Cap, ASME SA 182 SS 321H Forged Pipe End Cap

SS 321/321H Forged Union

UNS S32100 Socketweld Union, ANSI B16.5 Stainless Steel 321 Union, ASTM A182 F321 Stainless Steel Threaded Union, ASME SA 182 SS 321 / 321H Forged Union

SS 321/321H Forged Bushing

UNS S32100 Bushing, B16.36 Stainless Steel 321 Hex Head Bushing, ASTM A182 F321 Stainless Steel Threaded Bushing, ASME SA 182 SS 321 / 321H Forged Threaded Bushing

SS 321/321H Forged Nipple

UNS S32100 Threaded Nipple, B16.36 SS 321 Socketweld Nipple ASTM A182 F321 Stainless Steel Swage Nipple, ASME SA 182 SS 321 Hex Nipple, SS 321/321H Screwed Pipe Nipple

Stainless Steel Forged Fittings Specification : :

ASTM A182 / ASME SA182

Dimension Standard : :

ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799

Size :

1/8" NB to 4" NB

Type : :

Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)

Rating Pressure : :

Threaded End - 2000 /3000/ 6000 LBS. Socket-weld End - 3000 / 6000/ 9000 LBS.

Chemical Composition of Stainless Steel 321/321H Forged Fittings

%	Cr	Ni	C	Si	Mn	P	S	N	Ti	Fe
321	min:17.0 max:19.0	min: 9.0 max:12.0	max:0.08	max:0.75	max:2.0	max:0.045	max:0.03	max:0.10	min:5*(C+N) max:0.70	Balance
321H	min:17.0 max:19.0	min: 9.0 max:12.0	min:0.04 max:0.10	min:18.0 max:20.0	max:2.0	max:0.045	max:0.03	max:0.10	min:5*(C+N) max:0.70	Balance