ASTM A213 T91 Alloy Steel Boiler Tube

ASTM A213 T91 Boiler Tube

Alloy Steel A213 T91 Steel Seamless Tubes and SA213 T91 material supplier in Mumbai

Check SA213 T91 Material Composition and price list ex Mumbai, SA213T91 Alloy Steel Heat exchanger and super heater tube manufacturer in India

ASME SA213 T91 Tube is installed to heat water inside boiler in order to generate steam, boiler is a closed pressure vessel designed in varieties of types such as water tube boiler and fire tube boiler are main types. SA213 T91 boiler tube inside boiler combat steam and water pressure, in order to prevent leakage in damage, quality boiler tubes combat heat resistance and high pressure. ASTM a213 T91 Tubes are processed by heat treatment, cold drawn, and pickling finishes, cleaning and smooth surface inside and outside. A213 T91 Tubing has the capacity of standing in high pressure and high temperature conditions. Different grades of boiler tube suit to different type of boilers; it has to meet complex boiler environments, like boiler pressure, temperature, heat pass location, steaming rate, flow direction etc.

T91 Boiler Tube has good corrosion resistance and high strength in high temperature and good properties result from addition of alloys and carbon. Hence it can meet high pressure and temperature requirement. Alloy Steel T91 Seamless Tubing is acquired from solid steel that is in bar or sheet form and it is formed into a solid round shape known as “billets” which is then heated and cast over to form piercing rod to create a hollow tube or shell. Hence it is known for the ability to fight against pressure more efficiently in comparison to other tubes and it is cost effective also. It does not need any welding or joints and are simply formed by solid round billets, which add on to its strength and other characteristics including corrosion resistance. Because ASME SA213 Grade T91 is able to fight high pressures, they are also widely used in high-pressure applications like Oil and Gas infrastructure, refineries, hydraulic cylinders and in hydrocarbon industries. A213 Gr T91 Seamless Tube has a higher operating pressure and are more effective in withstanding mechanical stress than A213 Gr T91 Welded Tube. In general the application of it depends upon the thickness of tube wall. Higher temperatures are required to produce SA213 T91 Tubing with thicker walls which reduce deformation resistance resulting in a larger deflection.

ASTM A213 T91 Boiler Tube Price List

Type Description USA FOB Price Malaysia FOB Price Europe FOB Price Singapore FOB Price Saudi Arabia (KSA) FOB Price
    Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr
Alloy Steel T91 Tube Size :  76.2OD x 9.5MM THK US $ 91.2 Malaysia Ringgit 371.18 Euro 76.61 Singapore Dollar 122.21 Saudi Riyal 342.00

Types Of T91 Boiler Tube

T91 Boiler Tube
ASTM A213 T91 Heat exchanger Tube
SA213 T91 Tubing
SA213T91 super heater tube
T91 Steel Boiler Tubing
A213 T91 Seamless Steel Tube

A213 T91 Steel Seamless Tubes Material Specification Chart

Specifications ASTM A/ASME SA 213, A691
Dimensions ASTM, ASME, and API
Size 1/2″ OD up to 5″ OD, customs diameter also available
Outer Diameter 6.2500mm; WT:1-200mm
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless
Form Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, “U” Shape, Hydraulic Pipes
Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded

SA213T91 Alloy Steel Heat Exchanger Tube Chemical Structure

Grade
C≤
Mn
P≤
S≤
Si≤
Mo
T91
0.07~0.14
0.30~0.60
0.02
0.02
0.20~0.50
0.85~1.05

Mechanical Behaviour of ASTM A213 T91 Tubes

Grade Tensile Strength, MPa Yield Strength, MPa Elongation, % Hardness, HB
T91 585 min 415 min 20 min 250 max

Equivalent Material of SA213 T91 super heater tube

Grade UNS Steel Number Trade Name
T91 K91560 1.4903 9Cr-1Mo

Tolerance of T91 Steel Tubing

Outside Diameter OD Tolerance WT Tolerance Ovality Tolerance Cut Length Tolerance
OD≤ 12, 7 mm ± 0, 13 mm ± 15 % + 3, 18 mm, – 0 mm
12, 7 mm < OD ≤ 38, 1 mm ± 0, 13 mm ± 10 % max, 1, 65 mm + 3, 18 mm, – 0 mm
38, 1 mm < OD ≤ 88, 9 mm ± 0, 25 mm ± 10 % max, 2, 41 mm + 4, 76 mm, – 0 mm

ASTM A213 T91 Boiler Tube Weight Chart

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

ASME SA213T91 Alloy Steel Heat exchanger Tube manufacturers in India

ASTM A213 T91 Tubing manufacturer