Stainless Steel 304H Forged Fittings Manufacturer and Supplier in Kolkata, India

Stainless Steel 304H Forged Fittings are robust, heat-resistant components crafted for high-temperature and high-pressure piping systems. Produced by reputable suppliers like Devang Fittings in Kolkata, India, these fittings represent a high-carbon variant of 304 stainless steel, which enhances their creep strength and durability in elevated temperature settings. With outstanding mechanical properties and excellent resistance to oxidation, they are perfect for demanding industrial environments that face thermal stress and corrosive elements.

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Stainless Steel 304H Forged Fittings Specification

Specifications : ASTM A182 & ASME SA182

Standard : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799

Size : 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)

Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS

Type : Socketweld Fittings, Screwed-Threaded Fittings

Grade 304H boasts 18–20% chromium, 8–11% nickel, and a higher carbon content (0.04–0.10%) compared to standard 304, which boosts its tensile strength (around 585 MPa) and yield strength (approximately 240 MPa) at high temperatures. This alloy maintains good ductility, weldability, and resistance to oxidation and scaling in high-temperature service environments, making it a great fit for pressure-containing systems that operate under sustained elevated temperatures.

Stainless Steel 304H Forged Fittings Chemical Compostion

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 304H	0.10 max	2.0 max	0.75 max	0.045 max	0.03 max	18 – 20	–	8 – 10.5	–

Stainless Steel 304H Forged Fittings Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %

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Largest Stainless Steel 304H Forged Fittings Supplier in Kolkata, India

Devang Fittings is a leading supplier of Stainless Steel 304H Forged Fittings in Kolkata, India. We offer an extensive range of Stainless Steel 304H Forged Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

If You Are Looking To Buy High Quality

Stainless Steel 304H Forged Fittings Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS
SS 304H	1.4948	S30409

Pressure Rating Of Stainless Steel 304H Forged fitting

Pressure-Temperature
Temperature		Class
		150	300
			1/4 – 1 inch.	1 1/4 – 2 inch.	2 1/2 – 3 inch.
(oF)	(oC)
-20 to 150	-29 to 66	300	2000	1500	1000
200	93	265	1785	1350	910
250	121	225	1575	1200	825
300	149	185	1360	1050	735
350	177	150	1150	900	650
400	204	–	935	750	560
450	232	–	725	600	475
500	260	–	510	450	385
550	288	–	300	300	300

Why Choose Stainless Steel 304H Forged Fittings from Devang Fittings?

Choose Stainless Steel 304H Forged Fittings from Devang Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.

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Customer Support

Largest Inventory

On Time Deliveries

ISO Certified

Types of Stainless Steel 304H Forged Fittings

Are Custom Sizes Available for Stainless Steel 304H Forged Fittings?

Yes, custom sizes for Stainless Steel 304H Forged Fittings are available at Devang Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@devangfittings.co.in

Dimension of SS 304H Forged Fittings

ASME b16.9 Fittings Normal Pipe Size		ANSI b16 9 Pipe Fitting O D Y	Wall Thickness T (Pipe Elbow Sch.)		LR 45 Deg Elbows Centre to Face B	SR 45 Deg Elbows Weight	LR 90 Deg Elbows Centre to Face A	LR 90 Deg Elbows Weight In Below	SR 90 Deg Elbows Centre to Face A	SR 90 Deg Elbows Weight In Below
mm	inch	mm	mm	Schedule	mm	kg	mm	kg	mm	kg
15	1/2”	21.3	2.78	STD	15.9	0.04	38.1	0.08	–	–
			3.73	X.S	15.9	0.05	38.1	0.10	–	–
20	3/4”	26.7	2.87	STD	11.1	0.04	28.6	0.08	–	–
			3.91	X.S	11.1	0.05	28.6	0.11	–	–
25	1”	33.4	3.38	STD	22.2	0.09	38.1	0.15	25.4	0.11
			4.55	X.S	22.2	0.11	38.1	0.19	25.4	0.14
32	11/4”	42.2	3.56	STD	25.4	0.14	47.6	0.28	31.75	0.18
			4.85	X.S	25.4	0.2	47.6	0.39	31.75	0.24
40	11/2”	48.3	3.68	STD	28.6	0.2	57.1	0.4	38.1	0.26
			5.08	X.S	28.6	0.25	57.1	0.5	38.1	0.35
50	2”	60.3	3.91	STD	34.9	0.36	76.2	0.72	50.8	0.5
			5.54	X.S	34.9	0.5	76.2	1.0	50.8	0.68
65	21/2”	73.0	5.16	STD	44.4	0.73	95.2	1.46	63.5	0.95
			7.01	X.S	44.4	0.91	95.2	1.82	63.5	1.27
80	3”	88.9	5.49	STD	50.8	1.1	114.3	2.18	76.2	1.45
			7.62	X.S	50.8	1.45	114.3	2.86	76.2	1.95
100	4”	114.3	6.02	STD	63.5	2.1	152.4	4.2	101.6	2.8
			8.56	X.S	63.5	2.9	152.4	5.7	101.6	3.9
125	5”	141.3	6.65	STD	79.4	3.4	190.0	6.8	127.0	4.8
			9.5	X.S	79.4	5.0	190.0	10.0	127.0	6.5
150	6”	168.3	7.11	STD	95.2	5.1	229.0	10.1	152.4	6.8
			10.97	X.S	95.2	7.7	229.0	15.3	152.4	10.2
200	8”	219.1	8.18	STD	127.0	10.2	305.0	20.4	203.0	13.6
			12.7	X.S	127.0	15.5	305.0	30.9	203.0	20.9
250	10”	273.9	9.27	STD	159.0	18.1	381.0	36.1	254.0	24.1
			12.7	X.S	159.0	24.4	381.0	48.8	254.0	32.5
300	12”	323.9	9.52	STD	190.0	26.6	457.0	53.1	305.0	35.4
			12.7	X.S	190.0	35.0	457.0	70.0	305.0	46.7
350	14”	355.6	9.52	STD	222.0	34.1	533.0	68.1	356.0	45.4
			12.7	X.S	222.0	45.0	533.0	90.0	356.0	60.0
400	16”	406.4	9.52	STD	254.0	45.0	610.0	89.3	406.0	59.5
			12.7	X.S	254.0	59.0	610.0	118.0	406.0	78.7
450	18”	457.0	9.52	STD	286.0	56.5	686.0	113.0	457.0	75.6
			12.7	X.S	286.0	75.0	686.0	150.0	457.0	100.0
500	20”	508.0	9.52	STD	318.0	85.0	762.0	140.0	508.0	93.5
			12.7	X.S	318.0	112.5	762.0	186.0	508.0	124.0
600	24”	610.00	9.52	STD	381.0	101.5	914.0	203.0	610.0	135.0
			12.7	X.S	381.0	134.5	914.0	269.0	610.0	179.0

Size Of Stainless Steel 304H Forged fitting

NPS (inch)	Pipe Schedule.	OD (inch)	Wall Thick. (in)	Temperature
				100 Fitting	200 Fitting	300 Fitting	400 Fitting	500 Fitting
				Allowable Stress
				16700	16700	16700	15500	14400
1″	40	1.315	0.133	2205	2205	2205	2047	1902
	80	1.315	0.179	3061	3061	3061	2841	2640
	160	1.315	0.250	4493	4493	4493	4170	3874
1 1/2″	40	1.900	0.145	1629	1629	1629	1512	1404
	80	1.900	0.200	2303	2303	2303	2138	1986
	160	1.900	0.281	3362	3362	3362	3120	2899
2″	40	2.375	0.154	1371	1371	1371	1272	1182
	80	2.375	0.218	1985	1985	1985	1843	1712
	160	2.375	0.344	3283	3283	3283	3047	2831
3″	40	3.500	0.216	1301	1301	1301	1208	1122
	80	3.500	0.300	1844	1844	1844	1712	1590
	160	3.500	0.438	2787	2787	2787	2587	2403
4″	40	4.500	0.237	1102	1102	1102	1023	950
	80	4.500	0.337	1596	1596	1596	1482	1377
	160	4.500	0.531	2611	2611	2611	2424	2552
5″	40	5.563	0.258	965	965	965	896	832
	80	5.563	0.375	1428	1428	1428	1325	1231
	160	5.563	0.625	2474	2474	2474	2296	2133
6″	40	6.625	0.280	877	877	877	814	756
	80	6.625	0.432	1379	1379	1379	1280	1189
	160	6.625	0.719	2382	2382	2382	2211	2054
8″	40	8.625	0.322	771	771	771	716	665
	80	8.625	0.500	1218	1218	1218	1131	1050
	160	8.625	0.906	2298	2298	2298	2133	1982
10″	40	10.750	0.365	699	699	699	649	603
	80	10.750	0.594	1159	1159	1159	1075	999
	160	10.750	1.125	2289	2289	2289	2124	1974

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Application Industry of Stainless Steel 304H Forged Fittings

You’ll often find Stainless Steel 304H Forged Fittings in power generation, petrochemical processing, oil and gas refineries, boilers, and heat exchangers. Their ability to retain strength and structural integrity during thermal cycling and in corrosive conditions guarantees a long service life and reliability in critical applications. These fittings are the go-to choice for industries that require a blend of heat resistance, mechanical performance, and corrosion protection.