Stainless Steel 347 Boiler Tubes, SS Boiler Pipes Manufacturers in India

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Philips Metal Industries is a top manufacturer, exporter, stockist, stockholder, and supplier of high quality stainless steel 347/347H boiler tubes. SS 347 Boiler Tubes (also known as UNS S34700 and WNR 1.4550) is a columbium and tantalum stabilized austenitic chromium-nickel stainless steel that was designed to give an 18-8 type alloy with increased intergranular corrosion resistance.

347H stainless steel Boiler tubes and stainless steel 321 share a lot of similarities. Because columbium has been added, it can also be used as a common substitution and stabilized alternative to SS 304. The alloy has the strongest resistance to intergranular corrosion resulting from the use of the boiler tube at high temperatures because of the columbium content. In addition, SS 347 has superior stress rupture corrosion and creep resistance. Additionally, it is resistant to heating to 1650 degrees Fahrenheit. Usually, it is employed in high-temperature applications like chemical manufacture and rocket engines. Stainless steel 347 Boiler tubes are also used by users who place a high value on environmental stabilization. Several welding processes can be used on the alloy.

It requires heating between 2100°F and 2250°F because of its resistance to extreme heat. Utilizing the better features of the alloy can only be achieved through cold reduction. A higher carbon version of SS 347 is known as Stainless Steel 347H Boiler Tube. Since it is SS 347 modified, it has many of SS 347's traits and attributes. Columbium and occasionally tantalum are present in the alloy. The alloy's ability to tolerate high temperatures and resist corrosion is enhanced by these metal additions.

There are several tests performed on Stainless Steel 347/347H Boiler Tubes in order to ensure its strict quality and efficiency before finally delivering it to the customers. Tests such as mechanical tests, hardness tests, micro and macro tests, pitting resistance tests, positive material identification tests, intergranular corrosion tests and flaring tests are some of the tests performed.

Stainless Steel 347/347H Boiler Tubes Specification

Specifications	ASTM A249, A269, A312, A554, A270 Stainless Steel Boiler Tube
Available sizes	1/4 – 12 inch
Wall thickness	SCH 5, SCH10, SCH 10S, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Length	Single Random, Double Random & Required Length End: Plain End, Beveled End, Threaded
Technique	Hot rolled, Cold rolled, Cold drawn, Extrusion Tube
Surface Finish	2B, No.1, Mirror Finish, No.4, No.8
END	Beveled End, Plain End, Treaded
Processing Service	Welding, Decoiling, Cutting, Bending, Punching, Moulding
Packing	Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers' request

Stainless Steel 347/347H Boiler Tube Dimension Chart

Nominal size in inches	Outside diameter in mm	Wall thickness in inches	Outside diameter in inches	Wall thickness in mm
1/4 8	13.7	0.088	0.54	2.24
3/8 10	17.1	0.091	0.68	2.31
24 600	610	0.688	24	17.48
1/2 15	21.3	0.109	0.84	2.77
6 150	168.3	0.28	6.625	7.11
3/4 20	26.7	0.113	1.05	2.87
1 25	33.4	0.133	1.32	3.38
14 350	355.6	0.437	14	11.13
1 1/4 32	42.2	0.14	1.66	3.56
16 400	406.4	0.5	16	12.7
1 1/2 40	48.3	0.145	1.9	3.68
2 50	60.3	0.154	2.375	3.91
2 1/2 65	73	0.203	2.875	5.16
3 80	88.9	0.216	3.5	5.49
1/8 6	10.3	0.068	0.41	1.73
3 1/2 90	101.6	0.226	4	5.74
4 100	114.3	0.237	4.5	6.02
5 125	141.3	0.258	5.563	6.55
8 200	219.1	0.322	8.625	8.18
10 250	273	0.365	10.75	9.27
12 300	323.8	0.406	12.75	10.31
18 450	457	0.562	18	14.27
20 500	508	0.594	20	15.09
32 800	813	0.688	32	17.48

Stainless Steel 347/347H Boiler Tubing Weight

Nominal Pipe Sizes		Outside Diameter		Wall Thickness		Weight	Weight
Nominal Pipe Sizes	Schedule	Inch	MM	Inch	MM	Lbs/feet	kg/Meter
1/2	40 STD	0.840	21	0.109	2.769	0.851	1.268
	80 STD			0.147	3.734	1.088	1.621
3/4	40 STD	1.050	27	0.113	2.870	1.131	1.684
	80 STD			0.154	3.912	1.474	2.195
1	40 STD	1.315	33	0.133	3.378	1.679	2.501
	80 STD			0.179	4.547	2.172	3.325
1 1/4	40 STD	1.660	42	0.140	3.556	2.273	3.385
	80 STD			0.191	4.851	2.997	4.464
1 1/2	40 STD	1.900	48	0.145	3.683	2.718	4.048
	80 STD			0.200	5.080	3.361	5.409
2	40 STD	2.375	60	0.154	3.912	3.653	5.441
	80 STD			0.218	5.537	5.022	7.480
2 1/2	40 STD	2.875	73	0.203	5.516	5.793	8.629
	80 STD			0.276	7.010	7.661	11.411
4		4.500	114	0.237	6.020	10.790	16.073
				0.337	8.560	14.983	22.318
10		10.750	273	0.188	4.775	21.207	31.588
				0.219	5.563	24.631	36.689
	20			0.250	6.350	28.035	41.759
	30			0.307	7.798	34.240	51.002
				0.344	8.738	38.231	56.946
	40 STD			0.365	9.271	40.483	63.301
				0.438	11.125	48.238	71.852
	60 XHY			0.500	12.700	54.735	81.530
	80			0.594	15.088	64.429	95.969
6		6.625	168	0.188	4.775	12.924	19.252
				0.203	5.516	13.923	20.739
				0.219	5.563	14.983	22.318
				0.250	6.350	17.021	25.354
	40 STD			0.280	7.112	18.974	58.263
				0.312	7.925	21.036	31.334
				0.375	9.525	25.031	37.285
	80 XHY			0.432	10.973	28.573	42.561
				0.500	12.700	32.708	48.719
8		8.625	219	0.188	4.775	16.940	25.233
				0.203	5.156	18.259	27.198
				0.219	5.563	19.661	29.286
	20			0.250	6.350	22.361	33.308
	30			0.277	7.036	24.696	36.786
	40			0.322	8.179	28.554	42.352
				0.375	9.525	33.041	49.216
	60			0.406	10.312	35.638	53.085
	80 XHY			0.500	12.700	43.388	64.627
24		24.000	610	0.250	6.350	63.413	94.456
				0.281	7.137	71.183	106.029
				0.312	7.925	18.932	117.573
	20 STD			0.375	9.525	64.618	140.938
				0.438	11.125	110.219	164.176
	XHY			0.500	12.700	125.490	186.923
				0.625	15.875	156.028	232.410
	40			0.688	17.475	171.293	255.148
				0.750	19.050	186.233	277.401
12		12.750	324	0.188	4.775	25.222	37.570
				0.219	5.563	29.309	43.657
				0.250	6.350	33.375	49.713
				0.281	7.137	37.420	55.739
				0.312	7.925	41.445	61.735
				0.375	9.525	49.562	73.824
				0.406	10.312	53.525	79.727
				0.500	12.700	65.415	97.438
				0.562	14.275	73.154	108.966
14		14.000	356	0.188	4.775	27.732	41.308
				0.219	5.563	32.233	48.012
	20			0.250	6.350	36.713	54.685
				0.281	7.137	41.172	61.327
				0.312	7.925	45.611	67.939
	STD			0.375	9.525	54.568	81.281
	40			0.438	11.125	63.441	94.498
	XHY			0.500	12.700	72.090	107.381
				0.625	15.875	89.278	132.983
3	40 STD	3.500	89	0.216	5.486	7.576	11.284
	80 STD			0.300	7.620	10.253	15.272
16		16.000	406	0.188	4.775	21.748	47.290
				0.219	5.563	36.910	54.980
	10			0.250	6.350	42.053	62.639
				0.281	7.137	47.174	70.268
	20			0.312	7.925	52.275	77.866
				0.344	8.738	57.519	85.677
	30 STD			0.375	9.525	62.578	93.213
				0.438	11.125	72.797	108.433
	40 XHY			0.500	12.700	82.770	123.289
18		18.000	457	0.219	5.563	41.588	61.948
				0.250	6.350	47.393	70.593
				0.281	7.137	53.176	79.208
	20			0.312	7.925	58.939	87.792
	STD			0.375	9.525	70.588	105.144
	30			0.438	11.125	82.152	122.369
	XHY			0.500	12.700	93.450	139.198
	40			0.562	14.275	104.666	155.904
				0.625	15.875	115.978	172.754
30		30.000	762	0.250	6.350	79.433	118.318
				0.281	7.137	89.189	132.851
	10			0.312	7.925	98.925	147.353
	STD			0.375	9.525	118.648	176.731
				0.438	11.125	138.286	205.983
	20 XHY			0.500	12.700	157.530	234.647
	30			0.625	15.875	196.078	292.066
				0.688	17.475	215.380	320.817
				0.750	19.050	234.293	348.988
36		36.000	914	0.250	6.350	95.453	142.180
				0.281	7.137	107.196	159.672
	10			0.312	7.925	118.918	177.133
	STD			0.375	9.525	142.678	215.525
				0.438	11.125	166.353	247.790
	20 XHY			0.500	12.700	198.570	282.372
				0.625	15.875	236.128	351.723
				0.688	17.475	259.467	386.487
				0.750	19.050	282.353	420.576
20		20.000	508	0.250	6.350	52.733	78.547
				0.282	7.163	59.386	88.458
				0.312	7.925	65.604	97.719
	20 STD			0.375	9.525	78.598	117.075
				0.438	11.125	91.508	136.305
	30 XHY			0.500	12.700	104.130	155.106
	40			0.594	15.088	123.110	183.378
				0.625	15.875	129.328	192.640
				0.688	17.475	141.901	211.368
42		42.000	1067	0.312	7.925	138.911	206.914
	STD			0.375	9.525	166.708	248.319
	XHY			0.500	12.700	221.610	33.097
				0.750	19.050	330.413	492.163
48	STD	48.000	1219	0.375	9.525	190.738	284.112
				0.438	11.125	222.487	331.404
	XHY			0.500	12.700	253.650	377.822
				0.750	19.050	378.473	563.750
				0.875	22.225	440.383	655.969

Stainless Steel 347/347H Boiler Tubes Equivalent Grades

STANDARD	UNS	WNR.	EN	JIS	GOST
SS 347	S34700	1.4550	X6CrNiNb18-10	SUS 347	08Ch18N12B
SS 347H	S34709	1.4961	X6CrNiNb18-12	SUS 347H	-

Chemical Composition of Stainless Steel 347/347H Boiler Tubes

Element	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

Mechanical Properties Of Stainless Steel 347/347H Boiler Tubes

Grade	Tensile Strength ksi (MPa) min	Yield Strength 0.2% ksi offset ksi (MPa) min	Elongation (% in 50mm) min	Hardness (Brinell) MAX	Hardness (Rockwell B) MAX
347/347H	75 (515)	30 (205)	40	201	95

Physical Properties of Stainless Steel 347/347H Boiler Tubes

Density lb_m/in³	Coefficient of Thermal Expansion (min/in)-°F		Thermal Conductivity BTU/hr-ft-°F	Specific Heat BTU/lb_m -°F	Modules of Elasticity (annealed)²-psi
at 68 °F	at 68 – 212°F	at 68 – 1832°F	68-932°F	at 32 – 212°F	in tension (E)
0.288	9.2	11.4	14.7	0.12	28 x 10⁶

Types Of Stainless Steel 347/347H Boiler Tubes

Stainless Steel 347 Boiler Tubes	SS 347 Boiler Tubes Manufacturer
SS TP 347H Boiler Tubes	TP 347H Steel Boiler Seamless Pipes
Stainless Steel DIN 1.4550 Boiler Tubes	Stainless Steel 347 Tubing Stock Holder
SS 347 Boiler Tubing Suppliers	SS 347H ERW Boiler Tubing
Stainless Steel 347H Boiler Tubing	SS UNS S34709 Boiler Tubing
SS UNS S34700 Boiler Pipes Exporter	Stainless Steel 347H Boiler Tubing
AISI SS 347H Boiler Tubing	Steel TP 347 Boiler Pipes
Stainless Steel 347 Boiler Pipes Supplier	DIN 1.4961 Stainless Steel Boiler Tubes

Stainless Steel 347/347H Boiler Tubes Application Industries

Petrochemical Industry
Oil and Gas Industry
Chemical Industry
Power Plant Industry
Energy Industry
Pharmaceuticals Industry
Pulp & Paper Indusry
Food Processing Industry
Aerospace Industry
Refining Industry

We Export To

Russia, Algiers, Antananarivo, Mbuji-Mayi, Subra al-Haymah, Nairobi, Bulawayo, London, Fez, Algeria, Maiduguri, Giza, Port Elizabeth, New Zealand, Johannesburg, Indonesia, Italy, Colombo, Ghana, Mozambique, Colombia, Qatar, Argentina, Zaria, Pretoria, Freetown, Khartoum, South Africa, Lagos, Bahrain, Turkey, Australia, Angola, United States, Douala, Kampala, Luanda, Hong Kong, Azerbaijan, Conakry, Kuwait, Casablanca, Tunisia, Abu Dhabi, Houston, Peru, Ethiopa, Kolwezi, Kaduna, Oman, UK, Israel, Dar es Salaam, Mogadishu, Alexandria, Saudi Arabia, Accra, Kinshasa, Abidjan, Yemen, Africa, Cairo, Cameroon, Brazil, Chine, Venezuela, Vietnam, Ouagadougou, Iran, Brazzaville, Addis Ababa, Dubai, Jordan, Thailand (Bangkok), Trinidad and Tobago, Tripoli, Cape Town, Uganda, Cyprus, Nigeria, Soweto, New York, Democratic Republic of the Congo, Omdurman, Mexico, Morocco, Egypt, Singapore, Iraq, Sri Lanka, Bamako, Harare, Durban, Kazakhstan, Yaoundé, Lubumbashi, Maputo, Germany, Ibadan, Benin, Malaysia, UAE, Sudan, Rabat, Lebanon, Port Harcourt, Canada, Kano.

We Supply To

Bhiwadi, Abu Dhabi, Hyderabad, Suryapet, Yemen, Ghana, Tadepalligudem, Tripura, Durban, Subra al-Haymah, Rabat, India, Conakry, Benin, Maharashtra, Uganda, Miryalaguda, Cairo, Angola, Benin, Port Harcourt, Nairobi, Cameroon, Antananarivo, Freetown, Jaipur, Lucknow, Hong Kong, Pune, Casablanca, Mumbai, Mozambique, Zaria, Kolkata, Ethiopa, Mizoram, Singapore, Karnataka, Bulawayo, Algeria, Ballia, Dar es Salaam, Venezuela, Cyprus, Mogadishu, Colombo, Surat, Port Elizabeth, Tripoli, Abidjan, Oman, New York, Bundi, Lagos, Thailand (Bangkok), Kano, Kolwezi, Addis Ababa, Buxar, Soweto, Cape Town, Baraut, Udgir, Betul, Kinshasa, Fez, Lubumbashi, Alexandria, Kerala, Ibadan, Khartoum, Manipur, Nagapattinam, Douala, Sadar, Democratic Republic of the Congo, Algiers, Bansberia, Jamalpur, Kaduna, Mbuji-Mayi, Bangalore, Maiduguri, Jordan, Morocco, Harare, Qatar, Ahmedabad, Lebanon, Chennai, Luanda, Kampala, Russia, Dakar, Maputo, Yaoundé, Accra, Johannesburg, Andhra Pradesh, Giza, Omdurman, Ambala, Puducherry, Ouagadougou, Bamako, Pretoria, Brazzaville, Muktsar, Delhi.

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