Phanuphong Steel and Plates, located in the vibrant city of Bangkok, Thailand, stands out as a top-notch manufacturer and supplier of premium carbon steel pipes, including the well-regarded Carbon Steel A53 Gr A Pipes. Known for their meticulous engineering and robust products, Phanuphong Steel guarantees that each pipe adheres to international standards for both performance and reliability. Their A53 Gr A pipes are celebrated for their remarkable structural integrity, resistance to corrosion, and consistent quality, making them perfect for a variety of industrial and commercial applications. With a strong commitment to excellence, prompt delivery, and competitive pricing, Phanuphong Steel has become a reliable partner for businesses in need of trustworthy steel piping solutions.
When it comes to composition, Carbon Steel A53 Gr A Pipes are primarily made of iron, with a controlled carbon content that typically doesn’t exceed 0.25%, along with trace amounts of manganese, phosphorus, and sulfur. This specific blend results in a well-rounded mix of strength, ductility, and weldability. On the mechanical side, these pipes boast a tensile strength ranging from about 48,000 to 60,000 psi and a yield strength of around 30,000 psi. They also show good elongation, usually 30% or more, which allows them to flex under stress. These characteristics make A53 Gr A pipes ideal for threading, bending, and various fabrication processes while ensuring they maintain their structural integrity across different applications.
Standard : ASTM A53 / ASME SA53
Size : NPS 1/8” to NPS 26” | DN 6 to DN 650.
Type : Seamless/ Welded / ERW
Schedule : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Packing : In bundles, Anticorrosion heat preservation, Varnish coating, Ends can be bevelled or square cut, End Capped Certification & supplementary test, Finishing & Identity Mark
Surface Protection : Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized
End : Plain End, Beveled End, Screwed, Treaded
Length : Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
| ASTM A53 | C | Mn | P | S | Cu | Ni | Cr | Mo | V |
| Grade A | 0.25 | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| Tensile Strength, min., psi, (MPa) | Yield Strength, min., psi, (MPa) |
| 48,000 (330) | 30,000 (205) |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| NB | Size | OD | 40S | 5S | 10S | S10 | S20 | S40 | S60 | XS/80S | S80 | S100 | S120 | S140 | S160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
Phanuphong Steel is a top manufacturer and supplier of high-quality Carbon Steel A53 Gr A Pipe products in Bangkok, Thailand. 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.
Carbon Steel A53 Gr A Pipes find extensive use in construction, manufacturing, and mechanical industries. They are particularly suited for transporting water, gas, and steam due to their impressive pressure tolerance and resistance to corrosion. In industrial environments, they serve as structural supports, scaffolding, and in mechanical applications that demand strength and durability. Moreover, these pipes are frequently utilized in plumbing, boiler systems, and heat exchanger setups. Their versatility, cost-effectiveness, and dependable performance make A53 Gr A pipes a go-to choice for engineers and contractors seeking consistent quality and long-lasting solutions for both residential and industrial projects.
Phanuphong 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 Bangkok, Thailand.
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