ASTM A213 T91 Tube

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Standard Specification of ASTM A213 T91 Tube Astm A213 T91 Chemical Composition Sa213 T91 Mechanical Properties Material Equivalent of SA213 T91 Condensor Tube Weight Chart of Alloy Steel T91 Seamless Tubing Size Chart of SA213 T91 Boiler Tube Outside Diameter Tolerance of Alloy Steel T91 Seamless Tubing Wall Thickness Tolerance of ASME SA213 Grade T91 Round Tube

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ASTM A213 T91 Tube in Detail

Technical Data

Full Specifications

›Technical Data

Standard Specification of ASTM A213 T91 Tube

col_1	col_2
Specifications	ASTM A213 / ASME SA213
Form	Square, Rectangular, Round, Hydraulic Etc
Length	Double Random, Single Random, & Cut Length.
Schedule	SCH30, SCH40, CH20, STD, SCH80, XS, SCH140, SCH60, SCH80, SCH120, SCH160, XXS
Dimensions	ASTM, ASME and API
Tubes Size /	1 / 2” OD up to 5” OD, customs diameters also available
Type	EFW / Seamless / Fabricated
Export to	Oman, Dubai, Korea, Saudi Arabia, Brazil, Egypt, Ireland, Iran, Singapore, Indonesia, Canada, India, Ukraine, Thailand, Spain, USA, Peru, etc
Outer Diameter	6-2500mm; WT:1-200mm
End	Beveled End, Plain End, Treaded

Material Equivalent of SA213 T91 Condensor Tube

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Trade Name	Grade	UNS #	Heater Tubes
T91	T91	K90901	A213

Size Chart of SA213 T91 Boiler Tube

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NB	Size	OD	40S	5S	10S	S10	S20	S40	S60	XS/80S	S80	S100	S120	S140	S160	XXS
NB	Size	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
	1/8”	10.29			1.2			1.73			2.41
	1/4”	13.72			1.7			2.24			3.02
	3/8”	17.15			1.7			2.31			3.2
15	1/2”	21.34	2.8	1.7	2.1			2.77		3.73	3.73				4.78	7.47
20	3/4”	26.67	2.9	1.7	2.1			2.87		3.91	3.91				5.56	7.82
25	1”	33.4	3.4	1.7	2.8			3.38		4.55	4.55				6.35	9.09
32	1 1/4”	42.16	3.6	1.7	2.8			3.56		4.85	4.85				6.35	9.7
40	1 1/2”	48.26	3.7	1.7	2.8			3.68		5.08	5.08				7.14	10.2
50	2”	60.33	3.9	1.7	2.8			3.91		5.54	5.54				9.74	11.1
65	2 1/2”	73.03	5.2	2.1	3.1			5.16		7.01	7.01				9.53	14
80	3”	88.9	5.5	2.1	3.1			5.49		7.62	7.62				11.1	15.2
90	3 1/2”	101.6	5.7	2.1	3.1			5.74		8.08	8.08
100	4”	114.3	6	2.1	3.1			6.02		8.56	8.56		11.1		13.5	17.1
125	5”	141.3	6.6	2.8	3.4			6.55		9.53	9.53		12.7		15.9	19.1
150	6”	168.3	7.1	2.8	3.4			7.11		10.97	11		14.3		18.3	22
200	8”	219.1	8.2	2.8	3.8		6.4	8.18	10.3	12.7	12.7	15.1	19.3	20.6	23	22.2
250	10”	273.1	9.3	3.4	4.2		6.4	9.27	12.7	12.7	15.1	19.3	21.4	25.4	28.6	25.4
300	12”	323.9	9.5	4	4.6		6.4	10.3	14.3	12.7	17.5	21.4	25.4	28.6	33.3	25.4
350	14”	355.6	9.5	4	4.8	6.4	7.9	11.1	15.1	12.7	19.1	23.8	27.8	31.8	35.7
400	16”	406.4	9.5	4.2	4.8	6.4	7.9	12.7	16.7	12.7	21.4	26.2	31	36.5	40.5
450	18”	457.2	9.5	4.2	4.8	6.4	7.9	14.3	19.1	12.7	23.8	29.4	34.9	39.7	45.2
500	20”	508	9.5	4.8	5.5	6.4	9.5	15.1	20.6	12.7	26.2	32.5	38.1	44.5	50
550	22”	558.8	9.5	4.8	5.5	6.4	9.5		22.2	12.7	28.6	34.9	41.3	47.6	54
600	24”	609.6	9.5	5.5	6.4	6.4	9.5	17.5	24.6	12.7	31	38.9	46	52.4	59.5
650	26”	660.4	9.5			7.9	13			12.7
700	28”	711.2	9.5			7.9	13			12.7
750	30”	762	9.5	6.4	7.9	7.9	13			12.7
800	32”	812.8	9.5			7.9	13	17.5		12.7
850	34”	863.6	9.5			7.9	13	17.5		12.7
900	36”	914.4	9.5			7.9	13	19.1		12.7

Know what exactly we supply in Below Countries

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high pressure boiler alloy tube T91	Indonesia, Dammam -KSA, Philippines, Belgium
SA213 T91 boiler seamless alloy steel Tube	France, Qatar, Europe, Thailand
anti-corrosion oil and galvanised finish astm a213 t91 Tube	Spain, Egypt, Mexico, UK
sch xs astm a213 t91 tube	Colombia, Sweden, Malaysia, China
thick wall astm a213 t91 alloy steel tube	USA, Malaysia, Bangladesh, Finland
4 Inch Schedule 40 Alloy ASTM A213 T91 Seamless Steel Tube	Saudi Arabia (KSA), South Africa, Kuwait, Brazil
ASME SA213 T91 24 inch hot rolled seamless steel Tube	Germany, Czechia, Thailand, Malaysia
ASTM A213 14 Inch T91 Sch160 Alloy Steel Tube	South Korea, Singapore, NY 12203 (USA), Malaysia
36" SCH XXS ASTM A213 T91 high temperature tube	Malaysia, Oman, Hong Kong, UAE
T91 Seamless hot finished tubes and Tubes boilers	Turkey, United Arab Emirates (UAE), Norway, Malaysia
ASTM SA213 T91 alloy steel seamless boiler tube	Taiwan, Malaysia, Los Alamos -Mexico, Philippines
A213 T91 42*5 mm seamless tube	Europe, United Kingdom -UK, Malaysia, UAE
T91 alloy boiler tube for power station	Australia, Philippines, UK, Nigeria
Cold-drawn ASTM A213 T91 Alloy Steel Tube	Malaysia, Philippines, Canada, Singapore
Chrome Moly T91 Heat Exchanger Tube	Malaysia, Netherlands, Russia, Dubai
t91 alloy structure seamless boiler tube	Canada, UK, Poland, Ellington -United States
Cold Drawn ASME SA213 T91 Seamless Steel Tube	South Africa, Bahrain, Singapore, Singapore
76.2mm x 6.35mm T91 A213 SMLS Tube	Japan, Europe, Romania, Malaysia
T91 high pressure steam boiler tube for chemical industry	Italy, Chile, Iran, Singapore

›Material Properties

Astm A213 T91 Chemical Composition

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C, %	Mn, %	P, %	S, %	Si, %	Cr, %	Mo, %	V, %	N, %	Ni, %	Al, %	Nb, %
0.08-0.12	0.3-0.6	0.02 max	0.01 max	0.2-0.5	8.0-9.5	0.85-1.05	0.18-0.25	0.03-0.07	0.4 max	0.04 max	0.06-0.10

Sa213 T91 Mechanical Properties

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Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
585 min	415 min	20 min	250 max

›Dimensions & Weight

Weight Chart of Alloy Steel T91 Seamless Tubing

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Size NPS	Pipe O.D.	Wall Thickness	Pipe I.D.	Weight per Foot	Standard to XXHY	Schedule / Pipe #	Section Modulus	Gallon Capacity Per Linear Foot
1/2	0.84	0.109	0.622	0.85	STD	40	.0407	.0158
		0.147	0.546	1.09	XHY	80	.0478	.0122
		0.188	0.464	1.31		160	.0528	.0088
		0.294	0.252	1.72	XXHY		.0577	.0026
3/4	1.05	0.113	0.824	1.13	STD	40	.0705	.0277
		0.154	0.742	1.48	XHY	80	.0853	.0225
		0.219	0.612	1.95		160	.1006	.0153
		0.308	0.434	2.44	XXHY		.1103	.0077
1	1.315	0.133	1.049	1.68	STD	40	.1328	.0449
		0.179	0.957	2.17	XHY	80	.1606	.0374
		0.250	0.815	2.85		160	.1904	.0271
		0.358	0.599	3.66	XXHY		.2136	.0146
1 1/4	1.66	0.140	1.380	2.27	STD	40	.2346	.0777
		0.191	1.278	3.00	XHY	80	.2913	.0666
		0.250	1.160	3.77		160	.3421	.0549
		0.382	0.896	5.22			.4110	.0328
1 1/2	1.90	0.145	1.610	2.72	STD	40	.3262	.1058
		0.200	1.500	3.63	XHY	80	.4118	.0918
		0.281	1.338	4.86		160	.5079	.0730
		0.400	1.100	6.41			.5977	.0494
2	2.375	0.109	2.157	2.64		10	.4205	.1898
		0.154	2.067	3.66	STD	40	.5606	.1743
		0.218	1.939	5.03	XHY	80	.7309	.1534
		0.250	1.875	5.68			.8045	.1434
		0.281	1.813	6.29			.8666	.1344
		0.344	1.687	7.47		160	.9806	.1161
		0.436	1.503	9.04	XXHY		1.1043	.0922
2 1/2	2.875	0.120	2.635	3.53		10	.6870	.2833
		0.203	2.469	5.80	STD.	40	1.0640	.2487
		0.216	2.443	6.14			1.1169	.2435
		0.250	2.375	7.02			1.2468	.2301
		0.276	2.323	7.67	XHY	80	1.3386	.2202
		0.375	2.125	10.02		160	1.6371	.1842
		0.552	1.771	13.71	XXXHY		1.9971	.1280
3	3.50	0.120	3.260	4.34			1.0411	.4336
		0.156	3.188	5.58			1.3122	.4147
		0.172	3.156	6.12			1.4265	.4064
		0.188	3.124	6.66			1.5342	.3984
		0.216	3.068	7.58	STD.	40	1.7241	.3840
		0.250	3.000	8.69			1.9372	.3672
		0.281	2.938	9.67			2.1207	.3521
		0.300	2.900	10.26	XHY	80	2.2253	.3431
		0.438	2.624	14.34		160	2.8774	.2811
		0.600	2.300	18.6	XXHY		3.4243	.2158
3 1/2	4.0	0.120	3.760	4.98		10	1.3776	.5768
		0.226	3.548	9.12	STD.	140	2.3939	.5136
		0.250	3.500	10.02			2.6001	.4998
		0.281	3.438	11.17			2.8562	.4821
		0.318	3.364	12.52	XHY	80	3.1400	.4617
		0.636	2..728	22.87	XXHY		4.8795	.3085
4	4.5	0.120	4.260	5.62		10	1.7612	.7404
		0.156	4.188	7.24			2.2354	.7156
		0.188	4.124	8.67			2.6296	.6942
		0.203	4.094	9.32			2.8173	.6838
		0.219	4.062	10.02			3.0184	.6725
		0.237	4.026	10.80	STD.	40	3.2145	.6613
		0.250	4.000	11.36			3.3611	.6528
		0.281	3.938	12.67		60	3.7021	.6326
		0.312	3.876	13.97			4.0273	.6126
		0.337	3.826	15.00	XHY	80	4.2713	.5972
		0.438	3.624	19.02		120	5.1790	.5361
		0.531	3.438	22.53		160	5.8997	.4822
		0.674	3.152	27.57	XXHY		6.7927	.4054
5	5.563	0.188	5.187	10.80			4.1161	1.0979
		0.219	5.125	12.51			4.7279	1.0716
		0.258	5.047	14.63	STD.	40	5.4500	1.0391
		0.281	5.001	15.87			5.8644	1.0204
		0.312	4.939	17.51			6.4074	.99647
		0.344	4.875	19.19			6.9358	.9696
		0.375	4.813	20.80	XHY	80	7.4300	.9449
		0.500	4.563	27.06		120	9.2534	.8495
		0.625	4.313	32.99		160	10.7976	.7590
		0.750	4.063	38.59	XXHY		12.0954	.6734
6	6.625	0.109	6.407	7.59		5	3.5769	1.6748
		0.134	6.357	9.30		10	4.3475	1.6488
		0.156	6.313	10.79			5.0107	1.6260
		0.188	6.249	12.94			5.9351	1.5937
		0.203	6.219	13.94			6.3804	1.5780
		0.219	6.187	15.00			6.8261	1.5620
		0.250	6.125	17.04			7.6905	1.5306
		0.280	6.065	18.99	STD.	40	8.4958	1.5008
		0.312	6.001	21.06			9.3416	1.4688
		0.344	5.937	23.10			10.111	1.4391
		0.375	5.875	25.05			10.893	1.4082
		0.432	5.761	28.60	XHY	80	12.224	1.3541
		0.500	5.625	32.74			13.711	1.2909
		0.562	5.501	36.43		120	14.9806	1.2346
		0.625	5.375	40.09			16.1821	1.1787
		0.719	5.187	45.39		160	17.8243	1.0977
		0.864	4.897	53.21	XXHY		20.025	.9784
		1.000	4.625	60.13			21.7719	.8727
		1.125	4.375	66.14			23.1237	.7809

›Tolerances

Outside Diameter Tolerance of Alloy Steel T91 Seamless Tubing

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Hot rolled	Outside Diameter, mm	Tolerance, mm
Hot rolled	OD≤101.6	+0.4/-0.8
Hot rolled	101.6＜OD≤190.5	+0.4/-1.2
Hot rolled	190.5＜OD≤228.6	+0.4/-1.6
Cold Drawn	Outside Diameter, mm	Tolerance, mm
Cold Drawn	OD＜25.4	±0.10
Cold Drawn	25.4≤OD≤38.1	±0.15
Cold Drawn	38.1＜OD＜50.8	±0.20
Cold Drawn	50.8≤OD＜63.5	±0.25
Cold Drawn	63.5≤OD＜76.2	±0.30
Cold Drawn	76.2≤OD≤101.6	±0.38
Cold Drawn	101.6＜OD≤190.5	+0.38/-0.64
Cold Drawn	190.5＜OD≤228.6	+0.38/-1.14

Wall Thickness Tolerance of ASME SA213 Grade T91 Round Tube

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Hot rolled	Outside Diameter, mm	Tolerance, %
Hot rolled	OD≤101.6, WT≤2.4	+40/-0
Hot rolled	OD≤101.6, 2.4＜WT≤3.8	+35/-0
Hot rolled	OD≤101.6, 3.8＜WT≤4.6	+33/-0
Hot rolled	OD≤101.6, WT>4.6	+28/-0
Hot rolled	OD>101.6, 2.4＜WT≤3.8	+35/-0
Hot rolled	OD>101.6, 3.8＜WT≤4.6	+33/-0
Hot rolled	OD>101.6, WT>4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
Cold Drawn	OD≤38.1	+20/-0
Cold Drawn	OD>38.1	+22/-0

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