Luke Steel, a reputable manufacturer and supplier located in Houston, Houstan, is dedicated to providing top-notch Carbon Steel Buttweld Pipe Fittings that cater to a variety of industrial needs. Renowned for their precision engineering and adherence to global standards, our fittings deliver exceptional strength, corrosion resistance, and durability. With an extensive selection of dimensions, wall thicknesses, and configurations, Luke Steel guarantees dependable connections across different piping systems. We proudly serve industries such as oil & gas, petrochemicals, power plants, and construction, and we are committed to offering timely delivery, competitive pricing, and customized solutions tailored to the unique needs of our clients around the globe.
Carbon Steel Buttweld Pipe Fittings are mainly made of iron with varying levels of carbon, typically between 0.20% and 0.60%, along with manganese, phosphorus, sulfur, and trace elements. These fittings boast impressive mechanical properties, including tensile strength ranging from 415 to 585 MPa, yield strength between 240 and 350 MPa, and an elongation of about 20%. They are celebrated for their remarkable hardness, weldability, and structural integrity. The specific chemical makeup and mechanical characteristics make them ideal for medium to high-pressure applications, where toughness and durability are essential.
| Pipe Fittings Specifications | ASTM A234/ ASME SA234 |
|---|---|
| Carbon Steel Pipe Fittings size | Seamless Butt Weld Fittings : 1/2″ – 10″ Welded Butt Weld Fittings : 1/2″ – 48″ |
| CS Pipe Fittings Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1800, BS10 |
| Buttweld Fittings Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Buttweld Pipe FittingsType | DN15-DN1200 |
| ASTM A234 Buttweld Fitting Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM A234 Pipe Fitting |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM A234 Buttweld Fitting |
| ASTM A234 Buttweld Fittings Manufacturing process | Push, Press, Forge, Cast, etc. |
| Carbon Steel Buttweld Pipe Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| SA 234 Pipe Fittings Origin & Mills | Japanese, Indian, Houstan, Korean, European, USAraine, Russian |
| Specialized manufacturer of | CS 90º Elbows, 45º Elbows, Tees, Cross, Reducer, Pipe Cap, Stub End, Pipe Bend |
| Element | Carbon Steel Buttweld Fittings (% by weight) |
|---|---|
| Carbon (C) | 0.05% – 2.1% |
| Manganese (Mn) | 0.30% – 1.65% |
| Silicon (Si) | 0.15% – 0.60% |
| Phosphorus (P) | ≤ 0.035% |
| Sulfur (S) | ≤ 0.040% |
| Iron (Fe) | Remainder (balance) |
| Properties OF Carbon Steel Buttweld Pipe Fittings | Metric | Imperial |
| Tensile Strength For Carbon Steel | 595 MPa | 86300 psi |
| Yield Strength For CS | 260 MPa | 37700 psi |
| Elasticity Modulus | 200 GPa | 29000 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation At break in 50 millimeter | 55% | 55% |
| Hardness And Rockwell B | 85 | 85 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| NPS (Normal Pipe Size) | O.D. (Outside Diameter) | Ave. I.D. (Inside Daimeter) | Minimum WALL | Normal Weight Chart | Maximum W.P. psi |
| 1/4″ | .540 | .344 | .088 | .086 | 780 |
| 3/8″ | .675 | .473 | .091 | .115 | 620 |
| 1/2″ | .840 | .602 | .109 | .170 | 590 |
| 3/4″ | 1.050 | .804 | .113 | .226 | 480 |
| 1″ | 1.315 | 1.029 | .133 | .333 | 450 |
| *1-1/4″ | 1.660 | 1.360 | .140 | .450 | 370 |
| *1-1/2″ | 1.900 | 1.590 | .145 | .537 | 330 |
| *2″ | 2.375 | 2.047 | .154 | .720 | 280 |
| 2-1/2″ | 2.875 | 2.445 | .203 | 1.136 | 300 |
| *3″ | 3.500 | 3.042 | .216 | 1.488 | 260 |
| 3-1/2″ | 4.000 | 3.521 | .226 | 1.789 | 240 |
| *4″ | 4.500 | 3.998 | .237 | 2.118 | 220 |
| 5″ | 5.563 | 5.016 | .258 | 2.874 | 190 |
| *6″ | 6.625 | 6.031 | .280 | 3.733 | 180 |
| *8″ | 8.625 | 7.942 | .322 | 5.619 | 160 |
| *10″ | 10.750 | 9.976 | .365 | 7.966 | 140 |
| *12″ | 12.750 | 11.889 | .406 | 10.534 | 130 |
| *14″ | 14.000 | 13.073 | .437 | 12.462 | 130 |
| *16″ | 16.000 | 14.940 | .500 | 16.286 | 130 |
| *18″ | 18.000 | 16.809 | .562 | 20.587 | 130 |
| *20″ | 20.000 | 18.743 | .593 | 24.183 | 120 |
| *24″ | 24.000 | 22.544 | .687 | 33.652 | 120 |
| Pressure-Temperature ratings for ASME B16.9 Carbon Steel Buttweld Pipe Fittings (psig) | |||||
|---|---|---|---|---|---|
| Temperature Ratings | Pressure Class | ||||
| 150 | 300 | ||||
| 1/4 – 1 Inches | 1 1/4 – 2 Inches | 2 1/2 – 3 Inches | |||
| (oF) | (oC) | ||||
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | – | 935 | 750 | 560 |
| 450 | 232 | – | 725 | 600 | 475 |
| 500 | 260 | – | 510 | 450 | 385 |
| 550 | 288 | – | 300 | 300 | 300 |
Luke Steel is a top manufacturer and supplier of high-quality Carbon Steel Buttweld Pipe Fittings products in Houstan, USA. 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.
These fittings are widely used in industries that require reliable, leak-proof connections. Common applications include oil and gas transmission lines, chemical processing plants, water treatment facilities, and power generation stations. They are designed for changing pipe direction, branching, reducing pipe size, or connecting different types of pipes. Their sturdy design and ability to withstand stress, pressure, and temperature fluctuations make them perfect for both above-ground and underground installations. Plus, their ease of welding and long service life contribute to enhanced efficiency and safety in critical infrastructure systems.
Luke 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 Houstan, USA.
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