Thabiso Steel, located in Cape Town, South Africa, has built a solid reputation as a reliable supplier and manufacturer of top-notch steel products tailored for industrial and engineering needs. Among its standout offerings is the Carbon Steel DIN 17175 Pipe, a seamless steel pipe crafted specifically for high-temperature applications in pressure systems. Adhering to German standards, this pipe is well-known for its impressive strength, heat resistance, and overall reliability. Thabiso Steel takes pride in ensuring that every pipe meets rigorous technical specifications and quality benchmarks, making it a trusted choice for clients in the power generation, petrochemical, and industrial plant construction sectors throughout Southern Africa.
The Carbon Steel DIN 17175 Pipe is designed for high-temperature service, particularly in pressure systems like boilers, pipelines, and heat exchangers. It typically contains carbon levels ranging from 0.10% to 0.20%, along with manganese up to 0.90%, and trace amounts of silicon, phosphorus, and sulfur. Its mechanical properties boast a tensile strength of about 440–590 MPa and a yield strength of around 235 MPa. These pipes are known for their excellent resistance to heat and oxidation, can be normalized or tempered for enhanced durability, and offer good formability and weldability, even when faced with thermal stress.
Dimensions :Â ASTM, ASME and API
Standard :Â BS 3059
Outside Diameter :Â 5-90 mm
Wall Thickness :Â 0.5-15 mm
Length :in any length from 4 m to 12 m as per customer choice
Type :Seamless, Welded, ERW
End :Plain End, Beveled End, Treaded
Schedules :SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
| Grade | C | Si | Mn | S | P | Cr | Mo | V | |
| Standard | Steel grade | Max | |||||||
| DIN 17175 | St35.8 | =0.17 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | – | – |
| St45.8 | =0.21 | 0.10-0.35 | 0.40-1.2 | 0.02 | 0.025 | – | – | – | |
| 15Mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | 0.25-0.35 | – | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.70-1.10 | 0.45-0.65 | – | |
| 10CrMo910 | 0.08-0.15 | =0.50 | 0.40-0.70 | 0.02 | 0.025 | 2.00-2.5 | 0.90-1.20 | – | |
| 14MoV63 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.30-0.60 | 0.50-0.70 | 0.22-0.32 | |
| 12Cr1MoV | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.02 | 0.025 | 0.90-1.20 | 0.25-0.35 | 0.15-0.30 | |
| Grade | C | Si | Mn | S | P | Cr | Mo | V | |
| Standard | Steel grade | Max | |||||||
| DIN 17175 | St35.8 | =0.17 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | – | – |
| St45.8 | =0.21 | 0.10-0.35 | 0.40-1.2 | 0.02 | 0.025 | – | – | – | |
| 15Mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | 0.02 | 0.025 | – | 0.25-0.35 | – | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.70-1.10 | 0.45-0.65 | – | |
| 10CrMo910 | 0.08-0.15 | =0.50 | 0.40-0.70 | 0.02 | 0.025 | 2.00-2.5 | 0.90-1.20 | – | |
| 14MoV63 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.02 | 0.025 | 0.30-0.60 | 0.50-0.70 | 0.22-0.32 | |
| 12Cr1MoV | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.02 | 0.025 | 0.90-1.20 | 0.25-0.35 | ||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Industries that operate under high pressure and temperature frequently utilize Carbon Steel DIN 17175 Pipe. Common applications include boiler construction, superheaters, heat exchangers, and pipeline systems in power plants, as well as industrial furnaces. This pipe is particularly well-suited for transporting hot gases and fluids in environments that demand thermal stability and structural integrity. Its seamless design guarantees leak-proof performance, while its heat resistance makes it perfect for steam and thermal fluid applications.
| Designation of Diameter | O/D | Nominal Wall Thickness | ||||||||||||||||||
| DIA | SCH.5S | SCH.5 | SCH 10S | SCH.10 | SCH.20S | SCH.30 | SCH.40S | SCH.40 | SCH 60 | |||||||||||
| (A) | (B) | Meter MM | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr |
| 6 | 1/8 | 10.3 | 1 | 0.23 | 1.2 | 0.27 | 1.5 | 0.33 | 1.73 | 0.37 | ||||||||||
| 8 | 1/4 | 13.7 | 1.2 | 0.37 | 1.65 | 0.49 | 2 | 0.58 | 2.24 | 0.64 | ||||||||||
| 10 | 3/8 | 17.2 | 1.2 | 0.47 | 1.65 | 0.63 | 2 | 0.74 | 2.31 | 0.87 | ||||||||||
| 15 | 1/2 | 21.3 | 1.65 | 0.01 | 1.65 | 0.81 | 2.11 | 1.02 | 2.11 | 1.02 | 2.5 | 1.15 | 2.77 | 1.29 | ||||||
| 20 | 3/4 | 26.7 | 1.65 | 1.03 | 1.65 | 1.03 | 2.11 | 1.3 | 2.11 | 1.3 | 2.5 | 1.49 | 2.87 | 1.71 | ||||||
| 25 | 1 | 33.4 | 1.65 | 1.31 | 1.65 | 1.31 | 2.77 | 2.13 | 2.77 | 2.13 | 3 | 2.24 | 3.38 | 2.54 | ||||||
| 32 | 11/4 | 24.2 | 1.65 | 1.67 | 1.65 | 1.67 | 2.77 | 2.73 | 2.77 | 2.73 | 3 | 2.9 | 3.56 | 3.44 | ||||||
| 40 | 11/2 | 48.3 | 1.65 | 1.93 | 1.65 | 1.93 | 2.77 | 3.16 | 2.77 | 3.16 | 3 | 3.35 | 3.68 | 4.11 | ||||||
| 50 | 2 | 60.3 | 1.65 | 1.93 | 1.65 | 2.42 | 2.77 | 3.99 | 2.77 | 3.99 | 3.5 | 4.9 | 3.91 | 5.52 | ||||||
| 65 | 21/2 | 73 | 2.11 | 3.75 | 2.11 | 3.75 | 3.05 | 5.34 | 3.05 | 5.34 | 3.5 | 6 | 5.16 | 8.77 | ||||||
| 80 | 3 | 88.9 | 2.11 | 4.59 | 2.11 | 4.59 | 3.05 | 6.56 | 3.05 | 6.56 | 4 | 8.37 | 5.49 | 11.47 | ||||||
| 90 | 31/2 | 101.6 | 2.11 | 5.25 | 2.11 | 5.25 | 3.05 | 7.53 | 3.05 | 7.53 | 4 | 9.62 | 5.74 | 13.78 | ||||||
| 100 | 4 | 114.3 | 2.11 | 5.93 | 2.11 | 5.93 | 3.05 | 8.5 | 3.05 | 8.5 | 4.5 | 12.18 | 6.02 | 6.32 | ||||||
| 125 | 5 | 141.3 | 2.77 | 9.61 | 2.77 | 9.61 | 3.4 | 11.74 | 3.43 | 11.74 | 5 | 16.8 | 6.55 | 2210 | ||||||
| 150 | 6 | 168.3 | 2.77 | 11.47 | 2.77 | 11.47 | 3.4 | 14.04 | 3.43 | 14.04 | 5.5 | 22.08 | 7.11 | 28.69 | ||||||
| 200 | 8 | 219.1 | 2.77 | 15 | 2.77 | 15 | 3.76 | 20.77 | 3.76 | 20.27 | 6.35 | 33.82 | 7.04 | 37.38 | 8.18 | 43.2 | 10.81 | 53.9 | ||
| 250 | 10 | 273.1 | 3.4 | 22.95 | 3.4 | 22.95 | 4.19 | 28.2 | 4.19 | 28.2 | 6.35 | 42.41 | 7.8 | 51.81 | 9.27 | 61.22 | 12.2 | 82.8 | ||
| 300 | 12 | 323.9 | 3.96 | 31.72 | 4.19 | 33.6 | 4.57 | 36.54 | 4.57 | 36.54 | 6.35 | 50.48 | 8.38 | 66.2 | 9.53 | 75.01 | 10.31 | 80.94 | 14.27 | 110.62 |
| 350 | 14 | 355.6 | 3.96 | 34.86 | 4.78 | 41.99 | 6.35 | 55.53 | 7.92 | 68.95 | 9.53 | 82.58 | 9.53 | 82.58 | 11.13 | 96 | 15.06 | 128.42 | ||
| 400 | 16 | 406.4 | 4.19 | 42.2 | 4.78 | 48.07 | 6.35 | 63.61 | 7.92 | 79.03 | 9.53 | 94.7 | 9.53 | 94.7 | 12.7 | 125.2 | 16.66 | 162.59 | ||
| 450 | 18 | 457.2 | 4.19 | 47.46 | 4.78 | 54.15 | 6.35 | 71.69 | 7.92 | 89.1 | 11.13 | 124.32 | 9.53 | 106.83 | 14.27 | 158.27 | 19.05 | 209 | ||
| 500 | 2C | 508 | 4.78 | 60.23 | 5.54 | 69.7 | 6.35 | 79.76 | 9.53 | 118.93 | 12.7 | 157.51 | 9.53 | 118.9 | 15.06 | 185.89 | 2062 | 251.65 | ||
| 550 | 22 | 558.8 | 4.78 | 65.95 | 5.54 | 76.75 | 6.35 | 87.84 | 9.53 | 131.07 | 12.7 | 173.66 | 9.53 | 131.07 | 15.88 | 216.04 | 22.23 | 298.55 | ||
| 600 | 24 | 609.6 | 5.54 | 83.8 | 6.35 | 95.92 | 6.35 | 95.92 | 9.53 | 143.2 | 14.27 | 212.72 | 9.53 | 143.2 | 17.45 | 258.74 | 24.59 | 360.21 | ||
| 650 | 26 | 660.4 | 7.92 | 129.4 | 12.7 | 205.97 | 9.53 | 155.32 | ||||||||||||
| 700 | 28 | 711.2 | 7.92 | 139.47 | 12.7 | 222.13 | 15.88 | 276.48 | 9.53 | 167.44 | ||||||||||
| 750 | 3C | 762 | 6.35 | 120.15 | 7.92 | 149.55 | 7.92 | 149.55 | 12.7 | 238.28 | 15.88 | 296.68 | 9.53 | 179.56 | ||||||
| 800 | 32 | 812.8 | 7.92 | 159.62 | 12.7 | 254.44 | 15.88 | 316.88 | 9.53 | 191.69 | 17.48 | 348.11 | ||||||||
| 850 | 34 | 863.6 | 7.92 | 169.64 | 12.7 | 270.5 | 15.88 | 336.96 | 9.53 | 203.74 | 17.48 | 370.22 | ||||||||
| 900 | 36 | 914.4 | 7.92 | 179.77 | 12.7 | 286.75 | 15.88 | 357.28 | 9.53 | 215.93 | 19.05 | 427.09 | ||||||||
Carbon Steel DIN 17175 Pipes are also widely used in high-temperature applications due to excellent heat resistance and mechanical properties. They are also widely used in power plants, boilers, heat exchangers, and pressure vessels. These pipes are also perfect for steam pipeline, condensers, and furnace installations where high strength and durability are of utmost importance. Their resistance to high temperatures and pressure makes them critical in petrochemical, oil and gas, and chemical processing industries. In addition, they are used in manufacturing and transport systems that require high-performance steel tubes for structural integrity and safety across demanding environments.
ThabisoSteel 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 Cape Town, South Africa.
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