SS 347 Forged Fittings

SS 347 forged fittings stand as one of the most dependable solutions in India’s industrial landscape, engineered to deliver unmatched strength, durability, and performance under the harshest conditions. Made from stainless steel grade 347, stabilized with niobium to resist intergranular corrosion at elevated temperatures, these fittings are the trusted choice for engineers designing systems that demand both resilience and longevity. Their superiority begins with the forging process: stainless steel billets are heated and compressed under precise pressure, refining the grain structure and eliminating internal flaws that weaken cast alternatives. Each fitting undergoes machining, threading, heat treatment, and rigorous testing to ensure compliance with ASTM, ASME, and ANSI standards. This results in fittings with exceptional resistance to scaling, oxidation, and stress cracking, making them ideal for high-temperature, high-pressure environments. Industries such as oil & gas, petrochemicals, power generation, marine engineering, and pharmaceuticals rely on SS 347 forged fittings not just for safety and efficiency but also for their cost-saving ability by reducing downtime, minimizing maintenance, and extending service life. For engineers, they represent more than hardware—they are precision-built components that ensure leak-proof, secure, and efficient operations, even when exposed to aggressive chemicals and fluctuating thermal cycles.

The historical presence of SS 347 forged fittings in India reflects the nation’s industrial evolution, beginning with the post-independence expansion of refineries, chemical plants, and power infrastructure, where the demand for robust stainless steel solutions grew rapidly. Over decades, Indian manufacturers mastered the art of forging stainless steel, blending traditional craftsmanship with global quality standards, and establishing India as a reliable supplier to both domestic and international markets. Engineers across industries favor SS 347 forged fittings not only for their proven durability but also for the economic advantage they bring—lower lifecycle costs, fewer replacements, and reliable performance in coastal, thermal, and chemical-heavy environments. Their legacy mirrors India’s growth story: resilient, adaptable, and forward-looking. SS 347 forged fittings align perfectly with user demand by embodying trust, expertise, and authority in one product. More than just connectors, they are symbols of India’s engineering excellence—solutions that blend strength, precision, durability, and cost-effectiveness with a history of reliability that continues to power the nation’s industrial progress and global competitiveness. Choosing SS 347 forged fittings is an investment in safety, efficiency, and an enduring legacy of engineering mastery.

347/347H SS Forged Fittings Equivalent Grades

STANDARD	UNS	WNR.	JIS	EN
SS 347	S34700	1.4550	SUS 347	X6CrNiNb18-10
SS 347H	S34709	1.4961	SUS 347H	X6CrNiNb18-12

SS 347/347H Socket Weld Elbow

Stainless Steel 347 Forged Elbow, UNS S34700 / S34709 Threaded Elbow, DIN 1.4961 Forged Elbow, ASME SA 182 SS F347H 45 deg Threaded Elbow, Stainless Steel 347 90 deg Forged Elbow

SS 347/347H Forged Tee

ASME SA182 SS 347H Socket Weld Tee, ASTM A182 SS 347 Forged Equal Tee, DIN 1.4550 Reducing Tee, UNS S34709 Unequal Tee, SS 347 / 347H Reducing Tee, SS 347 Threaded Equal Tee

SS 347/347H Forged Cross

SS A182 F347 Threaded Equal Cross, UNS S34700 / DIN 1.4550 Forged Cross, ASME SA182 SS 347H Socketweld Equal Cross, SS 347 Threaded Cross, Stainless 347 Reducing Cross, SS 347H Forged Unequal Cross Supplier

SS 347/347H Full Coupling

DIN 1.4550 Threaded Full Coupling, UNS S34700 Forged Full Coupling, ASME SA 182 SS 347H Socket weld Full Coupling, ASTM A182 347 SS Full Coupling

SS 347/347H Forged Half Coupling

ASTM A182 F347 Stainless Steel Socket Weld Half Coupling, SS UNS S34700/ S34709 Half Coupling, ANSI B16.11 SS 347 Threaded Half Coupling

SS 347/347H Forged Pipe Cap

UNS S34700 Forged Pipe End Cap, Stainless Steel 347 Threaded Pipe Cap, ASTM A182 F347 Stainless Steel Socketweld Pipe Cap, ASME SA 182 SS 347H Forged Pipe End Cap

SS 347/347H Forged Union

UNS S34700 Socketweld Union, ANSI B16.5 Stainless Steel 347 Union, ASTM A182 F347 Stainless Steel Threaded Union, ASME SA 182 SS 347 / 347H Forged Union

SS 347/347H Forged Bushing

UNS S34700 Bushing, B16.36 Stainless Steel 347 Hex Head Bushing, ASTM A182 F347 Stainless Steel Threaded Bushing, ASME SA 182 SS 347 / 347H Forged Threaded Bushing

SS 347/347H Forged Nipple

UNS S34700 Threaded Nipple, B16.36 SS 347 Socketweld Nipple ASTM A182 F347 Stainless Steel Swage Nipple, ASME SA 182 SS 347 Hex Nipple, SS 347/347H Screwed Pipe Nipple

SS 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 347/347H Forged Fittings

	C	Cr	Mn	Ni	P	S	Si	Cb/Ta
347	0.08 max	min: 17.0 max: 20.0	2.0 max	min: 9.0 max: 13.0	0.04 max	0.30 max	0.75 max	min:10x C max: 1.0
347H	min: 0.04 max: 0.10	min: 17.0 max: 20.0	2.0 max	min: 9.0 max: 13.0	0.03 max	0.30 max	0.75 max	min:10x C max: 1.0