SMO 254 Forged Fittings Manufacturer & Supplier

SMO 254 Forged Fittings are high-strength austenitic stainless steel fittings made from SMO 254 (UNS S31254), known for its excellent corrosion resistance and durability. Midland Alloys is a leading SMO 254 forged fittings manufacturer in India. We use advanced forging technology to ensure these fittings’ superior strength, precision, and long-lasting performance. Our fittings meet the ASTM B366 and ASTM A403 standards. We offer both SMO 254 socket weld forged fittings and SMO 254 threaded forged fittings in forms like Tee, Union, Full Coupling, Half Coupling, Elbow 45° & 90°, Swage Nipple, Cross, Cap, Plug, and Bush. Sizes range from ½”NB to 48″NB. We also provide SMO 254 seamless forged fittings and SMO 254 welded forged fittings in custom sizes, forms, and types.

Benefits of Alloy 254 SMO Forged Fittings

SMO 254 forged fittings UNS S31254 are built for tough environments and heavy-duty applications. Following are its benefits:

Excellent resistance to stress corrosion cracking
Performs well in seawater and brine applications
Withstands acidic and chlorinated environments
Offers reliable sealing under high-pressure conditions
High impact strength at sub-zero temperatures.
Smooth internal surface lowers friction and flow resistance
Long lifecycle, reducing replacement frequency

ASTM A182 SMO 254 Forged Fittings Uses

UNS S31254 forged fittings are used in the chemical industry to connect pipes handling chlorides and acids. The marine sector uses SMO 254 stainless forged pipe fittings in seawater systems due to their saltwater resistance. Oil and gas platforms utilize fittings in offshore drilling setups. Power plants install these fittings in heat exchangers and high pressure lines. Food and beverage plants use them in hygienic processing lines. The pulp and paper industries use these fittings in bleaching and liquefaction systems.

Difference Between SMO 254 and SS316 Forged Fittings

SMO 254 (UNS S31254) forged fittings offer twice the strength of SS 316 forged pipe fittings and deliver superior resistance to pitting and crevice corrosion. SS 316 works well in general applications, SMO 254 withstand aggressive environments like high-chloride or acidic systems. SMO 254 also handles higher pressures and temperatures which make it better choice for critical processes in marine, chemical, and oil and gas sectors.

Specification of SMO 254 Forged Fittings

Types of SMO 254 Forged Fittings

Manufacturing Types

Threaded Forged Fittings

Designed with internal or external threads, these fittings allow quick assembly and disassembly without welding.
Socket Weld Forged Fittings

These fittings are joined by inserting the pipe into a recessed area of the fitting and welding around it, ensuring strong, leak-proof joints.
Screwed Fittings

Similar to threaded types, screwed fittings are connected using screw threads, making installation simple and cost-effective.
BSPT

Bushings help reduce the bore size in a fitting or valve connection by joining pipes of varying diameters.
NPT

End caps are used to seal a pipeline's end, shielding it from impurities and guaranteeing closed systems' safety.

Forms

Forged Elbow

Elbows, which come in 45° and 90° varieties shift the direction of flow with little pressure loss.
Forged Bushing

Bushings help reduce the bore size in a fitting or valve connection by joining pipes of varying diameters.
Forged Tee

Used to split or combine flow across three directions essential for branching pipeline.
Forged Coupling

Offer a safe connection between two pipes; threaded and socket-welded options are available.
Forged Plug

Close open pipe ends which are frequently used for isolation or testing.
Forged Cross

With four openings, cross fittings help connect four pipes used when fluid distribution needs to occur in multiple directions.

Contact Midland Alloys Inc. for Your SMO 254 Forged Fittings Needs

Contact us today to discuss how SMO 254 Forged Fittings can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.

Technical Details & Delivery Condition

Chemical Composition of SMO 254 Forged Fittings

Grade	Ni	C	Mo	Mn	Si	Fe	Cu	S	P	Cr
SMO 254	17.5 – 18.5	0.02 max	6 – 6.5	1 max	0.8 max	Balance	0.5 – 1	0.01 max	0.03 max	19.5 – 20.5

Mechanical Properties of SMO 254 Forged Fittings

Element	Density	Melting Point	Yield Strength (0.2% Offset)	Tensile Strength	Elongation
SMO 254	8.0 g/cm³	1320 – 1390 ℃	300 MPa	650 MPa	35%

SMO 254 Forged Fittings Equivalent Grade

STANDARD	UNS	WNR.	AFNOR	SIS	JIS
SMO 254	S31254	1.4547	Z1 CNDU 20.18.06Az	X1CrNiMoCuN20-18-7	2378

Stainless Steel Forged Fittings Grades We Offer

Stainless Steel 304/304L Forged Fittings

Stainless Steel 310/310S Forged Fittings

Stainless Steel 316/316L Forged Fittings

Stainless Steel 316Ti Forged Fittings

Stainless Steel 317/317L Forged Fittings

Stainless Steel 321/321H Forged Fittings

Stainless Steel 347/347H Forged Fittings

Stainless Steel 904L Forged Fittings

Stainless Steel 253MA Forged Fittings

SMO 254 Forged Fittings

Socket Weld Fittings Dimensions

Threaded Fittings Dimensions

Tolerance Chart

Socket Weld Fittings Dimensions

Threaded Fittings Dimensions

Tolerance Chart

Manufacturing Standards of SMO 254 Forged Fittings

Raw Material

Cutting

Sizing

Heat Treatment

Pickling

Beveling

Polishing

Sand Blasting

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping

Applications of SMO 254 Forged Fittings

Offshore Industry

Nuclear Industries

Refineries

Ship Building

Aerospace

Pharmaceutical

Why Choose Midland Alloys Inc. for ASME B16.11 SMO 254 Forged Fittings

Midland Alloys Inc. is a trusted SMO 254 forged fittings supplier in Mumbai, known for delivering quality and reliability. We hold ISO 9001:2015, PED 2014/68/EU, and EN 10204 3.1/3.2 certifications. We conduct third-party inspections from agencies like TÜV, BV, SGS, and DNV to ensure quality. We have partnered with EPC contractors, marine service firms, and chemical plant engineers. As a SMO 254 forged fittings stockist India, we ensure full documentation support and timely delivery. Every SMO 254 alloy forged fittings goes thorough testing, including Hydrostatic, Ultrasonic, Radiographic, and PMI tests. Mechanical tests like tensile strength, hardness, and bending are also performed. We deliver to clients across the Middle East, Europe, and Southeast Asia.

FAQs – SMO 254 Forged Fittings

What is the ASME standard for 254 SMO forged fittings?

ASME B16.11 is the standard for SMO 254 forged fittings used in high-pressure piping systems.

Are SMO 254 forged fittings easy to install?

Yes. SMO 254 forged fittings come in standard sizes and threads, making them easy to fit and replace.

What is the difference between 904L and 254 SMO forged fittings?

SMO 254 has better strength and pitting resistance than 904L especially in chloride-heavy environments.

What is the temperature range for SMO 254 forged fittings?

These fittings work well from cryogenic levels up to 600°C without losing strength or shape.

Products Categories

ISO Certificate

Nominal Size		Socket Bore Dia	Bore Dia of Fittings			Socket Wall Thickness						Body Wall			Depth of Socket	Center to Bottom of Socket
D N	NPS	B	D			C						Gmin			J min	A
			3000	6000	9000	3000		6000		9000		3000	6000	9000		90° Elbow Tee Cross			45° Elbow
			3000	6000	9000	ave	min	ave	min	ave	min	3000	6000	9000		3000	6000	9000	3000	6000	9000
6	1/8	10.9	6.1	3.2		3.18	3.18	3.96	3.43			2.41	3.15		9.5	11.0	11.0		8	8
8	1/4	14.3	8.5	5.6		3.78	3.30	4.60	4.01			3.02	3.68		9.5	11.0	13.5		8	8
10	3/8	17.7	11.8	8.4		4.01	3.50	5.03	4.37			3.20	4.01		9.5	13.5	15.5		8.0	11.0
15	1/2	21.9	15.0	11	5.6	4.67	4.09	5.97	5.18	9.53	8.18	3.73	4.78	7.47	9.5	15.5	19.0	25.5	11	12.5	15.5
20	3/4	27.3	20.2	14.8	10.3	4.90	4.27	6.96	6.04	9.78	8.56	3.91	5.56	7.82	12.5	19.0	22.5	28.5	13	14	19
25	1	34	25.9	19.9	14.4	5.69	4.98	7.92	6.93	11.38	9.96	4.55	6.35	9.09	12.5	22.5	27.0	32.0	14.0	17.5	20.5
32	1-1/4	42.8	34.3	28.7	22.0	6.07	5.28	7.92	6.93	12.14	10.62	4.85	6.35	9.70	12.5	27.0	32.0	35.0	17.5	20.5	22.5
40	1-1/2	48.9	40.1	33.2	27.2	6.35	5.54	8.92	7.8	12.70	11.12	5.08	7.14	10.15	12.5	32.0	38.0	38.0	20.5	25.5	25.5
50	2	61.2	51.7	42.1	37.4	6.93	6.04	10.92	9.5	13.84	12.12	5.54	8.74	11.07	16.0	38.0	41.0	54.0	25.5	28.5	28.5
65	2-1/2	73.9	61.2			8.76	7.62					7.01			16.0	41.0			28.5
80	3	89.9	76.4			9.52	8.30					7.62			16.0	57.0			32.0
100	4	115.5	100.7			10.69	9.35					8.56			19.0	66.5			41.0

Nominal Size		Center-to-End						Outside Diameter of Band			Wall Thickness			Length of Thread
DN	NPS	A						H			G min			min	mim
		90° Elbows, Tees, Crosses			45° Elbows			H			G min
		2000	3000	6000	2000	3000	6000	2000	3000	6000	2000	3000	6000
6 8 10	1/8 1/4 3/8	21 21 25	21 25 28	25 28 33	17 17 19	17 19 22	19 22 25	22 22 25	22 25 33	25 33 38	3.18 3.18 3.18	3.18 3.30 3.51	6.35 6.60 6.98	6.4 8.1 9.1	6.7 10.2 10.4
15 20 25	1/2 3/4 1	28 33 38	33 38 44	38 44 51	22 25 28	25 28 33	28 33 35	33 38 46	38 46 56	46 56 62	3.18 3.18 3.68	4.09 4.32 4.98	8.15 8.53 9.93	10.9 12.7 14.7	13.6 13.9 17.3
32 40 50	1-1/4 1-1/2 2	44 51 60	51 60 64	60 64 83	33 35 43	35 43 44	43 44 52	56 62 75	62 75 84	84 102	3.89 4.01 4.27	5.28 5.56 7.14	10.59 11.07 12.09	17.0 17.8 19.0	18.0 18.4 19.2
65 80 100	2-1/2 3 4	76 86 106	83 95 114	95 106 114	52 64 79	52 64 79	64 79 79	92 109 146	102 121 152	121 146 152	5.61 5.99 6.55	7.65 8.84 11.18	15.29 16.64 18.67	23.6 25.9 27.7	28.9 30.5 33.0

Minimal Diam.		Outer Dia. For Bevel End	Inner Dia. For End	Elbow		Tee		Reducer	Cap	180° Elbow
DN	NPS			A	B	C	M	H	E	O	K	Roughness
500-600	20-24	+6.4/-4.8	4.8	3.2	3.2	3.2	3.2	4.8	9.6	–	–	–
650-750	26-30
				4.8	4.8	4.8	4.8
800-1200	32-48
1250-1500	50-60	+9.6/-6.4	6.4	9.6	9.6	9.6	9.6	9.6	–
1550-1750	62-70	+12.7/-9.6	9.6	12.7	12.7	–
1800-2000	72-80	+16/-12	12	16	16
15-65	1/2-2 1/2	+1.6/-0.8	0.8	1.6	1.6	1.6	1.6	1.6	3.2	6.4	6.4	0.8
80-100	3-4	1.6	1.6						6.4
125-200	5-8	+2.4/-1.6
250-450	10-18	+4/-3.2	3.2	2.4	2.4	2.4	2.4	2.4		9.6

SMO 254 Forged Fittings Manufacturer & Supplier

Benefits of Alloy 254 SMO Forged Fittings

ASTM A182 SMO 254 Forged Fittings Uses

Specification of SMO 254 Forged Fittings