As a trusted manufacturer and supplier based in Naypyidaw, Naing Steel takes pride in producing high-quality Carbon Steel A106 Gr B Pipe, a cornerstone of modern industrial infrastructure. This specific grade is engineered for demanding applications, offering exceptional reliability for the critical systems that power our nation’s growth. We understand that the integrity of your projects depends on the materials you use, which is why our commitment to precision manufacturing and rigorous standards ensures you receive a product built for performance and durability right here in Myanmar.
The composition of A106 Gr B Pipe primarily consists of carbon, manganese, phosphorus, and sulfur, balanced to deliver a robust combination of strength and workability. Its key mechanical properties include a minimum tensile strength of 60,000 psi and a yield strength of 35,000 psi, providing excellent resistance to pressure and stress. This carefully calibrated makeup allows the pipe to maintain its integrity under high temperatures, making it a fundamentally reliable choice for a wide array of industrial energy and process systems.
| Standards | ASTM, ASME and API, ANSI B 36.10 |
|---|---|
| Grades | ASTM A106 Grade A, ASTM A106 Grade B, ASTM A106 Grade C |
| Size | 1/2” NB to 36” NB |
| Thickness | 3-12mm |
| Schedules | SCH 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier |
| Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Min 3 Meters, Max18 Meters, or according to customer’s requirement |
| End | Plain End, Beveled End, Treaded |
| Specialized in | Large Diameter ASTM A106 Grade B Pipe |
| Additional Testing | Mill Test Certificates, EN 10204 3.1, Chemical /Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports, India Boiler Regulations (IBR) Test Certificate, NACE MR0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR |
| ASME Standard | B36.10M Welded and Seamless Wrought Steel Pipe |
| ANSI Standard | B1.20.1 Pipe Threads, General Purpose |
| Element | ASTM A106 Carbon Steel Gr. B |
| C | 0.30 |
| Mn | 0.29-1.06 |
| P | 0.04 |
| S | 0.04 |
| Cu | 0.40 |
| Ni | 0.40 |
| Cr | 0.4 |
| Mo | 0.15 |
| V | 0.08 |
| Element | ASTM A106 Carbon Steel Gr. B |
| Tensile Strength | 60,000 (415) MPa |
| Yield Strength (0.2%Offset) | 35,000 (240) MPa |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size | Other Diameter | Pipe I.D. | WT | Standard to XXHY | Weight | Section Modulus | Schedule Pipe # | Gallon |
| 1/2 | 0.84 | 0.622 | 0.109 | STD | 0.85 | .0407 | 40 | .0158 |
| 0.546 | 0.147 | XHY | 1.09 | .0478 | 80 | .0122 | ||
| 0.464 | 0.188 | 1.31 | .0528 | 160 | .0088 | |||
| 3/4 | 1.05 | 0.824 | 0.113 | STD | 1.13 | .0705 | 40 | .0277 |
| 0.742 | 0.154 | XHY | 1.48 | .0853 | 80 | .0225 | ||
| 0.612 | 0.219 | 1.95 | .1006 | 160 | .0153 | |||
| 1 | 1.315 | 1.049 | 0.133 | STD | 1.68 | .1328 | 40 | .0449 |
| 0.957 | 0.179 | XHY | 2.17 | .1606 | 80 | .0374 | ||
| 0.815 | 0.250 | 2.85 | .1904 | 160 | .0271 | |||
| 1 1/4 | 1.66 | 1.380 | 0.140 | STD | 2.27 | .2346 | 40 | .0777 |
| 1.278 | 0.191 | XHY | 3.00 | .2913 | 80 | .0666 | ||
| 1.160 | 0.250 | 3.77 | .3421 | 160 | .0549 | |||
| 1 1/2 | 1.90 | 1.610 | 0.145 | STD | 2.72 | .3262 | 40 | .1058 |
| 1.500 | 0.200 | XHY | 3.63 | .4118 | 80 | .0918 | ||
| 1.338 | 0.281 | 4.86 | .5079 | 160 | .0730 | |||
| 2 | 2.375 | 2.157 | 0.109 | 2.64 | .4205 | 10 | .1898 | |
| 2.067 | 0.154 | STD | 3.66 | .5606 | 40 | .1743 | ||
| 1.939 | 0.218 | XHY | 5.03 | .7309 | 80 | .1534 | ||
| 1.875 | 0.250 | 5.68 | .8045 | .1434 | ||||
| 1.813 | 0.281 | 6.29 | .8666 | .1344 | ||||
| 1.687 | 0.344 | 7.47 | .9806 | 160 | .1161 | |||
| 2 1/2 | 2.875 | 2.635 | 0.120 | 3.53 | .6870 | 10 | .2833 | |
| 2.469 | 0.203 | STD. | 5.80 | 1.0640 | 40 | .2487 | ||
| 2.443 | 0.216 | 6.14 | 1.1169 | .2435 | ||||
| 2.375 | 0.250 | 7.02 | 1.2468 | .2301 | ||||
| 2.323 | 0.276 | XHY | 7.67 | 1.3386 | 80 | .2202 | ||
| 2.125 | 0.375 | 10.02 | 1.6371 | 160 | .1842 | |||
| 3 | 3.50 | 3.260 | 0.120 | 4.34 | 1.0411 | .4336 | ||
| 3.188 | 0.156 | 5.58 | 1.3122 | .4147 | ||||
| 3.156 | 0.172 | 6.12 | 1.4265 | .4064 | ||||
| 3.124 | 0.188 | 6.66 | 1.5342 | .3984 | ||||
| 3.068 | 0.216 | STD. | 7.58 | 1.7241 | 40 | .3840 | ||
| 3.000 | 0.250 | 8.69 | 1.9372 | .3672 | ||||
| 2.938 | 0.281 | 9.67 | 2.1207 | .3521 | ||||
| 2.900 | 0.300 | XHY | 10.26 | 2.2253 | 80 | .3431 | ||
| 2.624 | 0.438 | 14.34 | 2.8774 | 160 | .2811 | |||
| 3 1/2 | 4.0 | 3.760 | 0.120 | 4.98 | 1.3776 | 10 | .5768 | |
| 3.548 | 0.226 | STD. | 9.12 | 2.3939 | 140 | .5136 | ||
| 3.500 | 0.250 | 10.02 | 2.6001 | .4998 | ||||
| 3.438 | 0.281 | 11.17 | 2.8562 | .4821 | ||||
| 3.364 | 0.318 | XHY | 12.52 | 3.1400 | 80 | .4617 | ||
| 4 | 4.5 | 4.260 | 0.120 | 5.62 | 1.7612 | 10 | .7404 | |
| 4.188 | 0.156 | 7.24 | 2.2354 | .7156 | ||||
| 4.124 | 0.188 | 8.67 | 2.6296 | .6942 | ||||
| 4.094 | 0.203 | 9.32 | 2.8173 | .6838 | ||||
| 4.062 | 0.219 | 10.02 | 3.0184 | .6725 | ||||
| 4.026 | 0.237 | STD. | 10.80 | 3.2145 | 40 | .6613 | ||
| 4.000 | 0.250 | 11.36 | 3.3611 | .6528 | ||||
| 3.938 | 0.281 | 12.67 | 3.7021 | 60 | .6326 | |||
| 3.876 | 0.312 | 13.97 | 4.0273 | .6126 | ||||
| 3.826 | 0.337 | XHY | 15.00 | 4.2713 | 80 | .5972 | ||
| 3.624 | 0.438 | 19.02 | 5.1790 | 120 | .5361 | |||
| 3.438 | 0.531 | 22.53 | 5.8997 | 160 | .4822 | |||
| 5 | 5.563 | 5.187 | 0.188 | 10.80 | 4.1161 | 1.0979 | ||
| 5.125 | 0.219 | 12.51 | 4.7279 | 1.0716 | ||||
| 5.047 | 0.258 | STD. | 14.63 | 5.4500 | 40 | 1.0391 | ||
| 5.001 | 0.281 | 15.87 | 5.8644 | 1.0204 | ||||
| 4.939 | 0.312 | 17.51 | 6.4074 | .99647 | ||||
| 4.875 | 0.344 | 19.19 | 6.9358 | .9696 | ||||
| 4.813 | 0.375 | XHY | 20.80 | 7.4300 | 80 | .9449 | ||
| 4.563 | 0.500 | 27.06 | 9.2534 | 120 | .8495 | |||
| 4.313 | 0.625 | 32.99 | 10.7976 | 160 | .7590 | |||
| 6 | 6.625 | 6.407 | 0.109 | 7.59 | 3.5769 | 5 | 1.6748 | |
| 6.357 | 0.134 | 9.30 | 4.3475 | 10 | 1.6488 | |||
| 6.313 | 0.156 | 10.79 | 5.0107 | 1.6260 | ||||
| 6.249 | 0.188 | 12.94 | 5.9351 | 1.5937 | ||||
| 6.219 | 0.203 | 13.94 | 6.3804 | 1.5780 | ||||
| 6.187 | 0.219 | 15.00 | 6.8261 | 1.5620 | ||||
| 6.125 | 0.250 | 17.04 | 7.6905 | 1.5306 | ||||
| 6.065 | 0.280 | STD. | 18.99 | 8.4958 | 40 | 1.5008 | ||
| 6.001 | 0.312 | 21.06 | 9.3416 | 1.4688 | ||||
| 5.937 | 0.344 | 23.10 | 10.111 | 1.4391 | ||||
| 5.875 | 0.375 | 25.05 | 10.893 | 1.4082 | ||||
| 5.761 | 0.432 | XHY | 28.60 | 12.224 | 80 | 1.3541 | ||
| 5.625 | 0.500 | 32.74 | 13.711 | 1.2909 | ||||
| 5.501 | 0.562 | 36.43 | 14.9806 | 120 | 1.2346 | |||
| 5.375 | 0.625 | 40.09 | 16.1821 | 1.1787 | ||||
| 5.187 | 0.719 | 45.39 | 17.8243 | 160 | 1.0977 | |||
| 4.897 | 0.864 | XXHY | 53.21 | 20.025 | .9784 | |||
| 4.625 | 1.000 | 60.13 | 21.7719 | .8727 | ||||
| 4.375 | 1.125 | 66.14 | 23.1237 | .7809 |
Naing Steel is a top manufacturer and supplier of high-quality Carbon Steel A106 Gr B Pipe products in Naypyidaw, Myanmar. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
You’ll typically find A106 Gr B Pipe serving as the backbone for high-temperature fluid transport in power generation plants and refineries, efficiently carrying steam, oil, and gas. Its strength also makes it ideal for use in industrial processing systems, as well as in the structural components of large-scale buildings and bridges. Essentially, wherever there’s a need to reliably convey fluids under significant pressure and heat, this particular grade of pipe proves to be an indispensable and trusted solution for engineers and project managers.
Naing Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Naypyidaw, Myanmar.
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