SS 309 Forged Fittings

SS 309 forged fittings represent a benchmark of strength, durability, and engineering precision in India’s industrial framework, trusted by sectors that demand resilience under high temperatures and corrosive environments. Manufactured from stainless steel grade 309—an alloy renowned for its superior chromium and nickel content—these fittings offer exceptional oxidation resistance and structural stability even in fluctuating thermal conditions. Unlike cast fittings, the forging process eliminates internal voids and weak spots by compressing billets under controlled pressure, creating a tight grain structure with maximum mechanical strength. Post forging, machining, threading, and heat treatment ensure accuracy, leak-proof performance, and compliance with ASTM, ASME, and ANSI standards. This makes them the engineer’s choice for industries such as refineries, power generation, petrochemicals, marine environments, food processing, and pharmaceuticals where safety and operational reliability cannot be compromised. Their durability under extreme pressure and exposure significantly reduces downtime and maintenance costs, ensuring that once installed, SS 309 forged fittings deliver consistent performance over decades. The combination of advanced metallurgy and traditional forging expertise makes these fittings indispensable for engineers designing systems where both endurance and safety are paramount.

The legacy of SS 309 forged fittings in India is deeply rooted in the nation’s industrial journey, from the establishment of refineries and steel plants in the mid-20th century to the rapid modernization of power, infrastructure, and chemical sectors today. Indian manufacturers have continually refined their forging techniques, blending indigenous craftsmanship with global standards, positioning India as a trusted exporter of stainless steel fittings worldwide. Engineers prefer SS 309 forged fittings not only for their ability to handle extreme conditions but also for the assurance of long service life in coastal, chemical, and thermal environments. Their historical presence highlights a story of industrial resilience, engineering innovation, and the trust they have earned across generations of Indian projects. In the modern era, where buyers seek quick, reliable, and authoritative answers, SS 309 forged fittings embody expertise, credibility, and performance—attributes that align perfectly with real-world engineering needs. More than connectors, they stand as symbols of India’s industrial strength, offering solutions that combine heritage with future-ready reliability. By choosing SS 309 forged fittings, industries invest in a product that merges strength, precise manufacturing, and global trust with India’s enduring engineering legacy.

309/310/310S SS Forged Fittings Equivalent Grades

STANDARD	UNS	WNR.	AFNOR	EN	JIS	BS	GOST
SS 309	S30900	1.4828	-	-	SUS 309	-	-
SS 310	S31000	1.4841 / 1.4307	-	X15CrNi25-20	SUS 310	310S24	20Ch25N20S2
SS 310S	S31008	1.4845	-	-	SUS 310S	-	20Ch23N18

SS 309/310/310S Socket Weld Elbow

Stainless Steel 309 Forged Elbow, UNS S30900 / S31000 / S31008 Threaded Elbow, DIN 1.4845 Forged Elbow, ASME SA 182 SS F310S 45 deg Threaded Elbow, Stainless Steel 309 90 deg Forged Elbow

SS 309/310/310S Forged Tee

ASME SA182 SS 310 /310S Socket Weld Tee, ASTM A182 SS 309 Forged Equal Tee, DIN 1.4841 / 1.4307 Reducing Tee, UNS S31008 Unequal Tee, SS 309 / 310 / 310S Reducing Tee, SS 309 Threaded Equal Tee

SS 309/310/310S Forged Cross

Stainless Steel ASTM A182 F309 Threaded Equal Cross, UNS S30900 / DIN 1.4828 Forged Cross, ASME SA182 SS 310 Socketweld Equal Cross, SS 309 Threaded Cross, Stainless 310S Reducing Cross, SS 310S Forged Unequal Cross Supplier

SS 309/310/310S Full Coupling

DIN 1.4828 Threaded Full Coupling, UNS S30900 Forged Full Coupling, ASME SA 182 Stainless Steel 310 Socketweld Full Coupling, ASTM A182 310S SS Full Coupling

SS 309/310/310S Forged Half Coupling

ASTM A182 F310S Stainless Steel Socket Weld Half Coupling, SS UNS S30900/ S31000/ S31008 Half Coupling, ANSI B16.11 SS 309 Threaded Half Coupling

SS 309/310/310S Forged Pipe Cap

UNS S30900 Forged Pipe End Cap, Stainless Steel 309 Threaded Pipe Cap, ASTM A182 F310 Stainless Steel Socketweld Pipe Cap, ASME SA 182 SS 310S Forged Pipe End Cap

SS 309/310/310S Forged Union

UNS S30900 Socket weld Union, ANSI B16.5 SS 309 Union, ASTM A182 F310 Stainless Steel Threaded Union, ASME SA 182 SS 310S Forged Union

SS 309/310/310S Forged Bushing

UNS S30900 Bushing, B16.36 Stainless Steel 309 Hex Head Bushing, ASTM A182 F310 SS Threaded Bushing, ASME SA 182 SS 310S Forged Threaded Bushing

SS 309/310/310S Forged Nipple

UNS S30900 Threaded Nipple, B16.36 Stainless Steel 309 Socket weld Nipple ASTM A182 F310 SS Swage Nipple, ASME SA 182 SS 310S Hex Nipple, SS 309/310/310S 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 309/310/310S Forged Fittings

	C	Mn	Si	P	S	Cr	Ni	Fe
309	0.2 max	2.0 max	1.0 max	0.045max	0.03max	22 24	12-15	Balance
310	0.25 max	2.0 max	1.50 max	0.045max	0.03max	24-26	min: 8.0 max: 12.0	Balance
310S	0.08 max	2.00 max	1.50 max	0.045	0.03	24-26	19-22	Balance