Pipes & Tubes
Manufacturer, Supplier & Stockist
Alloy Steel T91 Tubes Supplier & Exporter
Alpha Overseas stands as a premier supplier and exporter of an extensive array of Alloy Steel P91 Pipes, including seamless, welded, and high-pressure variants. Our commitment to meeting and exceeding industry standards is reflected in every Alloy Steel P91 pipe we provide. Whether you require ASTM A335 P91 pipes, ASME SA335 P91 pipes, or any other specific standard, Alpha Overseas delivers top-quality products tailored to your project’s precise requirements. With exceptional strength, heat resistance, and compliance with rigorous standards, our Alloy Steel P91 Pipes empower industrial projects with unmatched durability, performance, and reliability. Trust Alpha Overseas as your go-to source for Alloy Steel P91 Pipes, and let us elevate your projects to new heights of success.
![Alloy Steel P91 Tubes Supplier](https://www.aosalloys.com/wp-content/uploads/2023/10/alloy-steel-p91-tubes-supplier.jpg)
Alloy Steel T91 Tubes, a cutting-edge solution for demanding industrial applications, stand as a testament to the unmatched quality and precision offered by Alpha Overseas. Crafted with unwavering expertise and precision, these tubes exemplify the pinnacle of alloy steel technology. Ideal for high-temperature and high-pressure environments, Alloy Steel T91 Tubes provide unmatched durability, corrosion resistance, and superior performance. When it comes to industrial piping solutions, Alpha Overseas sets the industry standard.
Our team of experts at Alpha Overseas has painstakingly engineered these tubes to deliver top-notch results across a diverse range of industrial sectors. From petrochemical to power generation, these T91 tubes offer the ultimate combination of strength, longevity, and cost-efficiency. For those seeking to elevate their operations and invest in a reliable, future-proof solution, Alpha Overseas is the name to trust. Connect with us today at sales@aosalloys.com and unlock the potential of Alloy Steel T91 Tubes, where quality meets innovation, and trust meets excellence. Your success starts with Alpha Overseas.
Alloy Steel T91 Seamless Tubes Supplier, Alloy Steel T91 Welded Tubes Manufacturer, Chrome Moly T91 ERW Tubes Manufacturer, Alloy Steel T91 Rectangular Tubes Exporter, Chromium Molybdenum T91 Hydraulic Tubes, Cr-Mo T91 Square Tubes, Alloy Steel T91 Round Tubes Manufacturer in Mumbai, India.
Alloy Steel T91 Tubes Specifications
Specifications | : | ASTM A213 / ASME SA213 |
Dimensions | : | ASTM, ASME, API & other international standards |
Tube Size |
: | 1 / 2” OD up to 5” OD, customs diameters also available |
Outer Diameter | : | 6-2500mm; WT:1-200mm |
Schedule | : | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Type | : | Seamless / ERW / Welded / Fabricated Pipes |
Form | : | Round, Square, Rectangular, Hydraulic, etc. |
Length | : | Single Random, Double Random, & Cut Length. |
End | : | Plain End, Beveled End, Treaded. |
Alloy Steel T91 Tubes Chemical Composition
Element | C | Cr | Mn | Mo | P | S | Si |
Grade T91 | 0.08-0.12 | 8.0-9.5 | 0.3-0.6 | 0.85-1.05 | 0.02 max | 0.01 max | 0.2-0.5 |
Equivalent Grades of Alloy Steel T91 Tubes
STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
Alloy Steel T91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
Alloy Steel T91 Tubes Mechanical Properties
Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
T91 | 585 min | 415 min | 20 min |
Alloy Steel T91 Tubes Dimensions
TUBE O.D. | WALL THICKNESS (INCHES) | |||||||||||||||||||||||||
TUBE GAUGE | ||||||||||||||||||||||||||
00 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | |
TUBE I.D. | ||||||||||||||||||||||||||
0.380 | 0.340 | 0.300 | 0.284 | 0.259 | 0.238 | 0.220 | 0.203 | 0.180 | 0.165 | 0.148 | 0.134 | 0.120 | 0.109 | 0.095 | 0.083 | 0.072 | 0.065 | 0.058 | 0.049 | 0.042 | 0.035 | 0.032 | 0.028 | 0.025 | 0.022 | |
1/4″ | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.010 | 0.032 | 0.060 | 0.084 | 0.106 | 0.120 | 0.134 | 0.152 | 0.166 | 0.180 | 0.186 | 0.194 | 0.200 | 0.206 |
3/8″ | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.015 | 0.045 | 0.079 | 0.107 | 0.135 | 0.157 | 0.185 | 0.209 | 0.231 | 0.245 | 0.259 | 0.277 | 0.291 | 0.305 | 0.311 | 0.319 | 0.325 | 0.331 |
1/2″ | N/A | N/A | N/A | N/A | N/A | 0.024 | 0.060 | 0.094 | 0.140 | 0.170 | 0.204 | 0.232 | 0.260 | 0.282 | 0.310 | 0.334 | 0.356 | 0.370 | 0.384 | 0.402 | 0.416 | 0.430 | 0.436 | 0.444 | 0.450 | 0.456 |
5/8″ | N/A | N/A | 0.025 | 0.057 | 0.107 | 0.149 | 0.185 | 0.219 | 0.265 | 0.295 | 0.329 | 0.357 | 0.385 | 0.407 | 0.435 | 0.459 | 0.481 | 0.495 | 0.509 | 0.527 | 0.541 | 0.555 | 0.561 | 0.569 | 0.575 | 0.581 |
3/4″ | N/A | 0.070 | 0.150 | 0.182 | 0.232 | 0.274 | 0.310 | 0.344 | 0.390 | 0.420 | 0.454 | 0.482 | 0.510 | 0.532 | 0.560 | 0.584 | 0.606 | 0.620 | 0.634 | 0.652 | 0.666 | 0.680 | 0.686 | 0.694 | 0.700 | 0.706 |
7/8″ | 0.115 | 0.195 | 0.275 | 0.307 | 0.357 | 0.399 | 0.435 | 0.469 | 0.515 | 0.545 | 0.579 | 0.607 | 0.635 | 0.657 | 0.685 | 0.709 | 0.731 | 0.745 | 0.759 | 0.777 | 0.791 | 0.805 | 0.811 | 0.819 | 0.825 | 0.831 |
1″ | 0.240 | 0.320 | 0.400 | 0.432 | 0.482 | 0.524 | 0.560 | 0.594 | 0.640 | 0.670 | 0.704 | 0.732 | 0.760 | 0.782 | 0.810 | 0.834 | 0.856 | 0.870 | 0.884 | 0.902 | 0.916 | 0.930 | 0.936 | 0.944 | 0.950 | 0.956 |
1 1/8″ | 0.365 | 0.445 | 0.525 | 0.557 | 0.607 | 0.649 | 0.685 | 0.719 | 0.765 | 0.795 | 0.829 | 0.857 | 0.885 | 0.907 | 0.935 | 0.959 | 0.981 | 0.995 | 1.009 | 1.027 | 1.041 | 1.055 | 1.061 | 1.069 | 1.075 | 1.081 |
1 1/4″ | 0.490 | 0.570 | 0.650 | 0.682 | 0.732 | 0.774 | 0.810 | 0.844 | 0.890 | 0.920 | 0.954 | 0.982 | 1.010 | 1.032 | 1.060 | 1.084 | 1.106 | 1.120 | 1.134 | 1.152 | 1.166 | 1.180 | 1.186 | 1.194 | 1.200 | 1.206 |
1 1/2″ | 0.740 | 0.820 | 0.900 | 0.932 | 0.982 | 1.024 | 1.060 | 1.094 | 1.140 | 1.170 | 1.204 | 1.232 | 1.260 | 1.282 | 1.310 | 1.334 | 1.356 | 1.370 | 1.384 | 1.402 | 1.416 | 1.430 | 1.436 | 1.444 | 1.450 | 1.456 |
1 3/4″ | 0.990 | 1.070 | 1.150 | 1.182 | 1.232 | 1.274 | 1.310 | 1.344 | 1.390 | 1.420 | 1.454 | 1.482 | 1.510 | 1.532 | 1.560 | 1.584 | 1.606 | 1.620 | 1.634 | 1.652 | 1.666 | 1.680 | 1.686 | 1.694 | 1.700 | 1.706 |
2″ | 1.240 | 1.320 | 1.400 | 1.432 | 1.482 | 1.524 | 1.560 | 1.594 | 1.640 | 1.670 | 1.704 | 1.732 | 1.760 | 1.782 | 1.810 | 1.834 | 1.856 | 1.870 | 1.884 | 1.902 | 1.916 | 1.930 | 1.936 | 1.944 | 1.950 | 1.956 |
2 1/4″ | 1.490 | 1.570 | 1.650 | 1.682 | 1.732 | 1.774 | 1.810 | 1.844 | 1.890 | 1.920 | 1.954 | 1.982 | 2.010 | 2.032 | 2.060 | 2.084 | 2.106 | 2.120 | 2.134 | 2.152 | 2.166 | 2.180 | 2.186 | 2.194 | 2.200 | 2.206 |
2 1/2″ | 1.740 | 1.820 | 1.900 | 1.932 | 1.982 | 2.024 | 2.060 | 2.094 | 2.140 | 2.170 | 2.204 | 2.232 | 2.260 | 2.282 | 2.310 | 2.334 | 2.356 | 2.370 | 2.384 | 2.402 | 2.416 | 2.430 | 2.436 | 2.444 | 2.450 | 2.456 |
2 3/4″ | 1.990 | 2.070 | 2.150 | 2.182 | 2.232 | 2.274 | 2.310 | 2.344 | 2.390 | 2.420 | 2.454 | 2.482 | 2.510 | 2.532 | 2.560 | 2.584 | 2.606 | 2.620 | 2.634 | 2.652 | 2.666 | 2.680 | 2.686 | 2.694 | 2.700 | 2.706 |
3″ | 2.240 | 2.320 | 2.400 | 2.432 | 2.482 | 2.524 | 2.560 | 2.594 | 2.640 | 2.670 | 2.704 | 2.732 | 2.760 | 2.782 | 2.810 | 2.834 | 2.856 | 2.870 | 2.884 | 2.902 | 2.916 | 2.930 | 2.936 | 2.944 | 2.950 | 2.956 |
3 1/4″ | 2.490 | 2.570 | 2.650 | 2.682 | 2.732 | 2.774 | 2.810 | 2.844 | 2.890 | 2.920 | 2.954 | 2.982 | 3.010 | 3.032 | 3.060 | 3.084 | 3.106 | 3.120 | 3.134 | 3.152 | 3.166 | 3.180 | 3.186 | 3.194 | 3.200 | 3.206 |
3 1/2″ | 2.740 | 2.820 | 2.900 | 2.932 | 2.982 | 3.024 | 3.060 | 3.094 | 3.140 | 3.170 | 3.204 | 3.232 | 3.260 | 3.282 | 3.310 | 3.334 | 3.356 | 3.370 | 3.384 | 3.402 | 3.416 | 3.430 | 3.436 | 3.444 | 3.450 | 3.456 |
3 3/4″ | 2.990 | 3.070 | 3.150 | 3.182 | 3.232 | 3.274 | 3.310 | 3.344 | 3.390 | 3.420 | 3.454 | 3.482 | 3.510 | 3.532 | 3.560 | 3.584 | 3.606 | 3.620 | 3.634 | 3.652 | 3.666 | 3.680 | 3.686 | 3.694 | 3.700 | 3.706 |
4″ | 3.240 | 3.320 | 3.400 | 3.432 | 3.482 | 3.524 | 3.560 | 3.594 | 3.640 | 3.670 | 3.704 | 3.732 | 3.760 | 3.782 | 3.810 | 3.834 | 3.856 | 3.870 | 3.884 | 3.902 | 3.916 | 3.930 | 3.936 | 3.944 | 3.950 | 3.956 |
4 1/4″ | 3.490 | 3.570 | 3.650 | 3.682 | 3.732 | 3.774 | 3.810 | 3.844 | 3.890 | 3.920 | 3.954 | 3.982 | 4.010 | 4.032 | 4.060 | 4.084 | 4.106 | 4.120 | 4.134 | 4.152 | 4.166 | 4.180 | 4.186 | 4.194 | 4.200 | 4.206 |
4 1/2″ | 3.740 | 3.820 | 3.900 | 3.932 | 3.982 | 4.024 | 4.060 | 4.094 | 4.140 | 4.170 | 4.204 | 4.232 | 4.260 | 4.282 | 4.310 | 4.334 | 4.356 | 4.370 | 4.384 | 4.402 | 4.416 | 4.430 | 4.436 | 4.444 | 4.450 | 4.456 |
4 3/4″ | 3.990 | 4.070 | 4.150 | 4.182 | 4.232 | 4.274 | 4.310 | 4.344 | 4.390 | 4.420 | 4.454 | 4.482 | 4.510 | 4.532 | 4.560 | 4.584 | 4.606 | 4.620 | 4.634 | 4.652 | 4.666 | 4.680 | 4.686 | 4.694 | 4.700 | 4.706 |
5″ | 4.240 | 4.320 | 4.400 | 4.432 | 4.482 | 4.524 | 4.560 | 4.594 | 4.640 | 4.670 | 4.704 | 4.732 | 4.760 | 4.782 | 4.810 | 4.834 | 4.856 | 4.870 | 4.884 | 4.902 | 4.916 | 4.930 | 4.936 | 4.944 | 4.950 | 4.956 |
5 1/4″ | 4.490 | 4.570 | 4.650 | 4.682 | 4.732 | 4.774 | 4.810 | 4.844 | 4.890 | 4.920 | 4.954 | 4.982 | 5.010 | 5.032 | 5.060 | 5.084 | 5.106 | 5.120 | 5.134 | 5.152 | 5.166 | 5.180 | 5.186 | 5.194 | 5.200 | 5.206 |
Alloy Steel T91 Tubes Size
Wall Thickness | Tube Sizes ( O.D.) |
---|---|
.010 | 1/16″ , 1/8″ , 3/16″ |
.020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
.012 | 1/8″ |
.016 | 1/8″ , 3/16″ |
.028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
.035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
.049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
.065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
.083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
.095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
.109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
.120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
.125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
.134 | 1″ |
.250 | 3″ |
.375 | 3 1/2″ |
Alloy Steel T91 Tubes Pressure Rating
Tube O.D. (in.) | Wall Thickness of Tube (inches) | |||||||
.028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
Working Pressure (psig) | ||||||||
1/8 | 7900 | 10100 | ||||||
1/4 | 3700 | 4800 | 7000 | 9500 | ||||
5/16 | 3700 | 5400 | 7300 | |||||
3/8 | 3100 | 4400 | 6100 | |||||
1/2 | 2300 | 3200 | 4400 | |||||
3/4 | 2200 | 3000 | 4000 | 4600 | ||||
1 | 2200 | 2900 | 3400 | 3900 | 4300 |
Types of Alloy Steel T91 Tubes
- Alloy Steel T91 Seamless Tubes
- Alloy Steel T91 Welded Tubes
- Alloy Steel T91 Fabricated Tubes
- Chrome Moly T91 ERW Tubes
- Alloy Steel T91 Polished Tubes
- ASTM A213 Alloy Steel T91 Electropolished Tubes
- Alloy Steel T91 High Pressure Tubes
- Alloy Steel T91 Round Tubes
- Alloy Steel T91 Square Tubes
- Chromium Molybdenum T91 Rectangular Tubes
- Custom Alloy Steel T91 Tubes
- Alloy Steel T91 Hydraulic Tubes
Alloy Steel T91 Tubes Applications & Industries
- Oil & Gas Industry
- Power Plants
- Marine Industry
- Petrochemical Industry
- Refineries
- Cement Industry
- Fertilizer Industry
- Automotive Industry
- Chemical Industry
- Heat Exchangers
- Automotive Industry
- Pharmaceutical Industry
- Sugar Industry
- Condensers
Characteristics of Alloy Steel T91 Tubes
High Temperature Strength: Alloy steel T91 tubes exhibit excellent strength and creep resistance at high temperatures, making them suitable for applications in power plants and other industries where elevated temperatures are common.
Corrosion Resistance: T91 tubes are designed to resist corrosion and oxidation, making them suitable for environments where exposure to steam, hot gases, and aggressive chemicals is a concern.
Durability: T91 tubes are known for their durability and long service life, which is essential in demanding applications like superheaters and reheaters in power generation.
High Yield Strength: They have a high yield strength, which means they can withstand significant loads without undergoing plastic deformation.
Tensile Strength: Alloy steel T91 tubes have a high tensile strength, making them robust and capable of withstanding mechanical stress and pressure.
Creep Resistance: These tubes have excellent creep resistance, which is essential for applications exposed to sustained high temperatures and pressure, such as in steam boilers.
Weldability: Alloy steel T91 tubes are weldable, allowing for easy fabrication and assembly in various industrial processes.
Good Thermal Conductivity: These tubes have good thermal conductivity, which is important in applications where heat transfer is crucial, such as heat exchangers.
Low Thermal Expansion: T91 tubes exhibit low thermal expansion characteristics, which helps maintain the integrity of the system in high-temperature environments.
Compliance with Standards: T91 tubes often meet industry standards and specifications, such as ASTM A213, ASME SA213, and ASME SA335, ensuring they are produced to consistent quality standards.
Availability in Various Sizes: These tubes come in a range of sizes and dimensions to accommodate different applications and configurations.