Harry Fittings, which is headquartered in Houston, Texas, is a well-known producer and international distributor of superior–quality Alloy Steel F1 Forged Fittings, specifically designed to withstand moderate-temperature and high-pressure applications. The company utilizes sophisticated forging methods and superior quality alloy steel to provide excellent product strength, corrosion resistance, and dimensional accuracy. Harry Fittings provides a complete selection of ASTM A182-standard fittings—elbows, tees, couplings, and unions—designed to meet the needs of major industries like oil & gas, petrochemicals, and power generation. Prioritizing quality assurance, rapid turnaround, and bespoke solutions, the company provides reliable performance for mission-critical applications around the globe.
| Standards | ASTM A182 / ASME SA182 |
| Specifications | ASME B16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size Range | NPS 1/8″- 4″ (DN 6~100) |
| Rating Pressure | Threaded End – 2000/3000/6000 LBS. Socket weld End – 3000/6000/9000 LBS. |
| Type | Socket Weld, Screwed, BSP Threaded & NPT Threaded |
Alloy Steel F1 Forged Fittings consist mainly of iron (balance) with chromium (0.5–0.8%), molybdenum (0.4–0.65%), and slight trace amounts of carbon, manganese, silicon, and phosphorus. This alloy composition possesses moderate tensile strength (380–585 MPa), a yield strength of approximately 205 MPa, and elongation close to 20%. Engineered for temperatures up to 850°F (454°C), these fittings provide superior oxidation resistance, thermal fatigue capability, and mechanical strength. All the fittings are subjected to heat treatment and strict inspection to confirm ASTM A182 compliance, providing strength, durability, and dimensional stability for industrial service conditions.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| F1 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| F1 | 275 | 485 | 20 |
Harry Fittings is a leading supplier of Alloy Steel F1 Forged Fittings in Houston, USA. We offer an extensive range of Alloy Steel F1 Forged Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Alloy Steel F1 Forged Fittings from Harry Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Yes, custom sizes for Alloy Steel F1 Forged Fittings are available at Harry Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@harryfittings.us
| DN-NPT | MAJOR DIAMETER MM | TAPPING /DRILL SIZE MM | TPI | PITCH MM |
|---|---|---|---|---|
| 1/16″ | 7.895 | 6.00 | 27 | 0.941 |
| 1/8″ | 10.242 | 8.25 | 27 | 0.941 |
| 1/4″ | 13.616 | 10.70 | 18 | 1.411 |
| 3/8″ | 17.055 | 14.10 | 18 | 1.411 |
| 1/2″ | 21.223 | 17.40 | 14 | 1.814 |
| 3/4″ | 26.568 | 22.60 | 14 | 1.814 |
| 1″ | 33.228 | 28.50 | 11.5 | 2.209 |
| 1¼” | 41.985 | 37.00 | 11.5 | 2.209 |
| 1½” | 48.054 | 43.50 | 11.5 | 2.209 |
| 2″ | 60.092 | 55.00 | 11.5 | 2.209 |
| 2½” | 72.699 | 65.50 | 8 | 3.175 |
| 3″ | 88.608 | 81.50 | 8 | 3.175 |
| 3½” | 101.316 | 94.30 | 8 | 3.175 |
| 4″ | 113.973 | 107.00 | 8 | 3.175 |
| 5″ | 141.300 | 134.384 | 8 | 3.175 |
| 6″ | 168.275 | 161.191 | 8 | 3.175 |
| 8″ | 219.075 | 211.673 | 8 | 3.175 |
| 10″ | 273.050 | 265.311 | 8 | 3.175 |
| 12″ | 323.850 | 315.793 | 8 | 3.175 |
| Description | Class Designation | ||
|---|---|---|---|
| 3000 | 6000 | 9000 | |
| Elbows 45 and 90 degrees, Tees, Crosses, Couplings, Half-Couplings, End or Pipe Caps | 1/2 – 4 | 1/2 – 2 | 1/2 – 2 |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| Pipe Size by Wall Thickness | SCH 80 / XS | SCH 160 | XXS |
Alloy Steel F1 Forged Fittings find extensive applications in moderate-temperature, medium-pressure systems in chemical processing, petrochemical facilities, power generation, and refining applications. These are best suited to applications in steam lines, boiler fittings, low-temperature piping systems, and heat exchangers where thermal resistance and structural stability are essential. These fittings are especially prized for their resistance to mechanical stress, oxidation, and thermal cycling, providing long service life. Repeatedly relied upon for domestic as well as foreign projects, Harry Fittings delivers leak-free, dimensionally precise fittings that ensure reliability and performance in challenging industrial applications.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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