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Based in the heart of Naypyidaw, Naing Steel has built its reputation on a foundation of reliability and precision, specializing in the manufacture and supply of high-grade alloy steel pipes. We understand that the integrity of your projects depends on the quality of your materials, which is why we are committed to producing pipes that meet rigorous standards. Our dedication extends beyond mere supply; we aim to be a trusted partner in Myanmar’s growth, providing robust solutions for the nation’s most demanding industrial and construction challenges.

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Alloy Steel Seamless Pipes

Alloy Steel Welded Pipes

Alloy Steel EFW Pipes

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What is Alloy Steel Pipes?

Alloy steel pipes, it is essentially a carbon steel, but to it are added the elements chromium, nickel, molybdenum, and vanadium. These strengthen it and provide high tensile strength, toughness, and resistance to wear, corrosion, and elevated temperatures. Its superior performance makes it very common in use at power plants, refineries, and in construction. Their benefits are high strength, better resistance to thermal effects, improved weldability, and cost-efficient compared with carbon steel pipes of older design.
 

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alloy steel pipes

Alloy Steel Pipes Specification

Alloy Steel Pipe Suppliers in India Dimensions:ASTM, ASME and API
Size:1/8″ NB TO 30″ NB IN
Schedule:SCH20, SCH30, SCH40, SCH80, XS, STD, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type:Seamless / Welded / ERW / Fabricated
Alloy Steel Pipe Suppliers in India Form:Round, Hydraulic, Etc
Length:Single Random, Double Random & Cut Length.
Form:Round, Hollow, Rectangular, Square, Hydraulic, Straight Pipes Etc.
End:Plain End, Beveled End, Treaded.
Specialized in:Large Diameter Alloy Steel ERW Tubes, Welded Alloy Steel Pipe Suppliers in India

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Top Manufacturer and Supplier of Alloy Steel P92 Pipes in Naypyidaw, Myanmar

The strength of our alloy steel pipes comes from a carefully balanced composition, which incorporates elements like chromium, molybdenum, and nickel into a carbon steel base. This specific blending enhances the material’s core characteristics, resulting in exceptional tensile strength and remarkable resistance to wear and impact. Furthermore, these pipes are engineered to perform reliably under high-pressure conditions and withstand extreme temperatures, making them a fundamentally tougher and more durable option than standard carbon steel pipes for critical applications.

ASTM A335 Pipe Size Chart

O.D.(mm) x Thickness(mm) O.D(mm) x Thickness(mm) O.D(mm) x Thickness(mm)
38.1 x 3.2 57.0 x 4.9 76.2 x 4.0
38.1 x 4.0 57.0 x 6.3 76.2 x 5.0
38.1 x 6.3 57.0 x 7.9 76.2 x 6.3
42.4 x 3.2 60.3 x 3.2 82.5 x 4.5
42.4 x 4.0 60.3 x 3.6 88.9 x 3.2
44.5 x 3.2 60.3 x 5.0 88.9 x 3.6
44.5 x 6.3 63.5 x 3.2 88.9 x 4.0
48.3 x 3.2 63.5 x 3.6 101.6 x 3.6
48.3 x 3.6 63.5 x 4.0 101.6 x 4.5
50.8 x 4.5 63.5 x 6.3 101.6 x 6.3
51.0 x 3.2 63.5 x 7.9 114.3 x 3.6
51.0 x 3.6 70.0 x 3.2 114.3 x 5.0
51.0 x 6.3 70.0 x 3.6 139.7 x 4.0
57.0 x 3.2 70.0 x 6.3 139.7 x 5.0
57.0 x 3.6 76.2 x 3.6 139.7 x 6.3

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Types of Alloy Steel Pipes

Alloy Steel Rectangular Pipe
Alloy Steel Hydraulic Pipes
Alloy Steel Hollow Pipes
Alloy Steel Hexagonal Pipe
Alloy Steel Grade Round Pipe
Alloy Steel Square Pipe

Alloy Steel Pipes 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

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Uses of Alloy Steel Pipes

These versatile pipes are essential in sectors where failure is not an option. You’ll find them forming the backbone of high-pressure hydraulic systems in machinery, carrying steam and process fluids in power plants, and serving as robust conduits in the oil and gas industry. Their durability also makes them ideal for significant construction projects, including structural supports and piling, where long-term resilience against environmental stress is paramount. Essentially, wherever conditions are demanding, our alloy steel pipes provide the dependable performance needed to ensure safety and longevity.

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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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