Stainless Steel 253MA Forged Fittings Manufacturer & Supplier

Stainless Steel 253MA Forged Fittings are made of high-alloy austenitic stainless steel containing chromium, silicon, manganese, nickel, molybdenum, and phosphorus. These components make the fittings extremely durable, with excellent resistance to oxidation up to 2000°F. Midland Alloys is a trusted 253MA forged fittings manufacturer Mumbai, providing quality pipe fittings across the globe. We make these fittings with advanced forging techniques that use high pressure and heat to shape them precisely. All of our fittings meet ASTM A182 and ASME SA182 standards and range in size from 1/8″ NB to 4″ NB, including custom sizes and forms. We provide all types including socket weld 253MA forged fittings and threaded 253MA forged SS fittings. Options include 45° Elbow, 90° Elbow, Forged Tee, Union, Full and Half Couplings, Cross, Cap, and Hex Nipple. As a global supplier, we guarantee to deliver dependable class 3000/6000/9000 253MA fittings that meet system requirements.

Benefits of ASTM A182 253MA Forged Fittings

SS 253MA forged pipe fittings offer strength and heat resistance making them ideal for demanding setups. Following are its unique features:

Outstanding resistance to combustion gases and thermal cycling.
Maintains shape and strength under repeated heating.
Stable microstructure at high temperatures.
Good machinability and dimensional accuracy.
Low maintenance in aggressive environments.
High surface hardness and wear resistance.
Durable under pressure and dynamic stress.
Ideal for welding and mechanical processing.
Compliant with global piping specifications.

UNS S30815 Forged Pipe Fittings Uses

SS 253MA forged pipe fittings are used in industries that operate under extreme temperatures and chemical exposure. In the energy and chemical sectors, they are used for piping that handles high-heat gases or chemicals. In power plants, they are fitted in high-pressure steam systems. The aerospace industry uses them in combustion chambers and boiler nozzles. In oil and gas sector, they are ideal for burners, heat exchangers, and expansion bellows. UNS S30815 forged fittings perform well in places where both temperature and mechanical stress are high, ensuring safety and durability across applications.

Stainless Steel 253MA Forged Fittings vs Buttweld Fittings

SS 253MA forged pipe fittings and 253MA forged SS butt-weld fittings both serve high-temperature applications, but they differ in build and purpose. Forged fittings are made by shaping the metal with heat and pressure, making them stronger and ideal for small-diameter pipes. They connect by threading or socket welding. Buttweld fittings are welded directly to pipes and are used for larger diameters. Forged fittings are better for high-pressure systems and buttweld fittings offer smoother internal flow and are easier to inspect visually. Each suits a different kind of project depending on space, pressure, and pipe size.

Specification of Stainless Steel 253MA Forged Fittings

Types of Stainless Steel 253MA 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 SS 253MA Forged Fittings Needs

Contact us today to discuss how Stainless Steel 253MA 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 Stainless Steel 253MA Forged Fittings

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 253MA	0.08 max	1.00 max	1.00 max	0.035 max	0.015 max	21.00 – 23.00	0.50 – 0.80	11.00 – 12.00	0.10 – 0.30

Mechanical Properties of Stainless Steel 253MA Forged Fittings

Density	Melting Point	Tensile Strength	Yield Strength (0.2% Offset)	Elongation
7.8 g/cm³	1400 – 1450 °C	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Stainless Steel 253MA Forged Fittings Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
253MA	1.4980	S30815	–	253MA	–	–	X15CrNiSi25-20

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 Stainless Steel 253MA Forged Fittings

Raw Material

Cutting

Sizing

Heat Treatment

Pickling

Beveling

Polishing

Sand Blasting

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping

Applications of Stainless Steel 253MA Forged Fittings

Offshore Industry

Nuclear Industries

Refineries

Ship Building

Aerospace

Pharmaceutical

Why Choose Midland Alloys Inc. for UNS S30815 Forged Fittings ?

Midland Alloys Inc. is a reliable SS 253MA forged fittings supplier India. We hold certifications like ISO 9001:2015, PED 2014/68/EU, and provide EN 10204 3.1/3.2 Mill Test Certificates. We also support TPI from TÜV, BV, SGS, and DNV. Our team collaborates with EPC contractors, chemical plants, and marine clients who trust us for our timely deliveries and solid documentation. Our DIN 1.4835 253MA forged fittings are tested in-house and externally for strength and reliability. We use hydrostatic, ultrasonic, radiographic, and PMI testing, along with mechanical tests like tensile, hardness, and bend checks. We work clients across the Middle East, Europe, and Southeast Asia, trusted for quality and fair 253MA forged fittings price per kg.

FAQs – SS 253MA Forged Fittings

Can Stainless Steel 253MA forged fittings be welded?

Yes. They provide good weldability and maintain structure even after welding.

What is the difference between 253MA and 304 forged fittings?

253MA handles much higher heat and has better oxidation resistance than 304.

What is the ASME standard for 253MA forged fittings?

ASME SA182. These fittings also meet ASTM A182 standards.

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

Stainless Steel 253MA Forged Fittings Manufacturer & Supplier

Benefits of ASTM A182 253MA Forged Fittings

UNS S30815 Forged Pipe Fittings Uses

Specification of Stainless Steel 253MA Forged Fittings