Zain Fittings has established itself as a reliable manufacturer and supplier of top-notch Alloy Steel WP22 Buttweld Fittings right in Surabaya, Indonesia. We proudly serve a growing clientele in Jakarta and beyond. Our dedication to precision engineering and adherence to international standards sets us apart. We specialize in crafting durable, high-performance buttweld fittings that cater to both industrial and commercial needs. Designed to endure high-pressure conditions and extreme temperatures, our fittings are perfect for the rigorous demands of the oil & gas, petrochemical, and power generation industries. When it comes to Alloy Steel WP22 solutions in Indonesia, Zain Fittings is your trusted partner.
| Specifications | : | ASTM A234 / ASME SA234 |
| Size | : | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards | : | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | : | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Type | : | Seamless / Welded / Fabricated |
Alloy Steel WP11 Buttweld Fittings are composed primarily of chromium (1.25%) and molybdenum (0.5%), along with small amounts of carbon, manganese, silicon, phosphorus, and sulfur. This composition provides excellent resistance to high temperatures, oxidation, and wear. The mechanical properties include a tensile strength of 415 MPa (min), yield strength of 205 MPa (min), and elongation of 30% (min). WP11 fittings are known for their durability in high-pressure and high-temperature applications, offering enhanced performance and strength, making them ideal for industries such as power generation, petrochemical, and oil & gas.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP11 | 0.05-0.2 | 0.3-0.8 | 0.5-1 | ≤0.030 | ≤0.030 | 1-1.5 | 0.44-0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP11 | 415-585 | ≥205 | ≥20 |
Our Alloy Steel WP22 Buttweld Fittings are made up of Chromium (2.00–2.50%) and Molybdenum (0.87–1.13%), along with carefully balanced levels of carbon, manganese, phosphorus, sulfur, and silicon. This combination boosts corrosion resistance, heat tolerance, and mechanical strength. Typically, these fittings boast a tensile strength ranging from 415 to 585 MPa, a yield strength of at least 205 MPa, and a minimum elongation of 20%. They also exhibit impressive hardness and stress rupture resistance, making them well-suited for high-temperature applications in power plants and refineries. At Zain Fittings, we ensure that all our products meet the ASTM A234 WP22 standards.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel WP11 Buttweld Fittings from Zain Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| ASTM A234 WP11 Fittings Temperature Ratings | Types Of Pressure Ratings Class | ||||
|---|---|---|---|---|---|
| Class 150# | Class 300# | ||||
| 1/4 – 1 (Inch) | 1 1/4 – 2 (Inch) | 2 1/2 – 3 (Inch) | |||
| (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 |
Alloy Steel WP11 Buttweld Fittings offer numerous advantages, making them ideal for high-pressure, high-temperature applications. Their composition, featuring chromium and molybdenum, enhances their resistance to oxidation, corrosion, and wear, ensuring long-term durability. WP11 fittings have excellent weldability, strength, and thermal stability, which makes them suitable for demanding industries such as power generation, petrochemical, and oil & gas. They provide superior resistance to thermal fatigue and stress, reducing the risk of failure in extreme conditions. Additionally, WP11 Fittings offer minimal maintenance and extended service life, ensuring cost-effectiveness and reliable performance.
| Normal Size Of Pipe (DN) | Schedule Number | Outer Daimeter In inch millmeter | Wall Thickness inch millmeter | Mass lb/ft kg/m |
|---|---|---|---|---|
| 1/8 6 | 5S | 0.405 10.3 | … | … |
| 1/8 6 | 10S | 0.405 10.3 | 0.049 1.24 | 0.19 0.28 |
| 1/8 6 | 40S | 0.405 10.3 | 0.068 1.73 | 0.24 0.37 |
| 1/8 6 | 80S | 0.405 10.3 | 0.095 2.41 | 0.31 0.47 |
| 1/4 8 | 5S | 0.540 13.7 | … | … |
| 1/4 8 | 10S | 0.540 13.7 | 0.065 1.65 | 0.33 0.49 |
| 1/4 8 | 40S | 0.540 13.7 | 0.088 2.24 | 0.43 0.63 |
| 1/4 8 | 80S | 0.540 13.7 | 0.119 3.02 | 0.54 0.80 |
| 3/8 10 | 5S | 0.675 17.1 | … | … |
| 3/8 10 | 10S | 0.675 17.1 | 0.065 1.65 | 0.42 0.63 |
| 3/8 10 | 40S | 0.675 17.1 | 0.091 2.31 | 0.57 0.84 |
| 3/8 10 | 80S | 0.675 17.1 | 0.126 3.20 | 0.74 1.10 |
| 1/2 15 | 5S | 0.840 21.3 | 0.065 1.65 | 0.54 0.80 |
| 1/2 15 | 10S | 0.840 21.3 | 0.083 2.11 | 0.67 1.00 |
| 1/2 15 | 40S | 0.840 21.3 | 0.109 2.77 | 0.85 1.27 |
| 1/2 15 | 80S | 0.840 21.3 | 0.147 3.73 | 1.09 1.62 |
| 3/4 20 | 5S | 1.050 26.7 | 0.065 1.65 | 0.68 1.02 |
| 3/4 20 | 10S | 1.050 26.7 | 0.083 2.11 | 0.86 1.28 |
| 3/4 20 | 40S | 1.050 26.7 | 0.113 2.87 | 1.13 1.69 |
| 3/4 20 | 80S | 1.050 26.7 | 0.154 3.91 | 1.48 2.20 |
| 1 25 | 5S | 1.315 33.4 | 0.065 1.65 | 0.68 1.02 |
| 1 25 | 10S | 1.315 33.4 | 0.083 2.11 | 0.86 1.28 |
| 1 25 | 40S | 1.315 33.4 | 0.133 3.38 | 1.68 2.50 |
| 1 25 | 80S | 1.315 33.4 | 0.179 4.55 | 2.17 3.24 |
| 1-1/4 32 | 5S | 1.660 42.2 | 0.065 1.65 | 1.11 1.65 |
| 1-1/4 32 | 10S | 1.660 42.2 | 0.109 2.77 | 1.81 2.69 |
| 1-1/4 32 | 40S | 1.660 42.2 | 0.140 3.56 | 2.27 3.39 |
| 1-1/4 32 | 80S | 1.660 42.2 | 0.191 4.85 | 3.00 4.47 |
| 1-1/2 40 | 5S | 1.900 48.3 | 0.065 1.65 | 1.28 1.90 |
| 1-1/2 40 | 10S | 1.900 48.3 | 0.109 2.77 | 2.09 3.11 |
| 1-1/2 40 | 40S | 1.900 48.3 | 0.145 3.68 | 2.72 4.05 |
| 1-1/2 40 | 80S | 1.900 48.3 | 0.200 5.08 | 3.63 5.41 |
| 2 50 | 5S | 2.375 60.3 | 0.065 1.65 | 1.61 2.39 |
| 2 50 | 10S | 2.375 60.3 | 0.109 2.77 | 2.64 3.93 |
| 2 50 | 40S | 2.375 60.3 | 0.154 3.91 | 3.66 5.44 |
| 2 50 | 80S | 2.375 60.3 | 0.218 5.54 | 5.03 7.48 |
| 2-1/2 65 | 5S | 2.875 73 | 0.083 2.11 | 2.48 3.69 |
| 2-1/2 65 | 10S | 2.875 73 | 0.120 3.05 | 3.53 5.26 |
| 2-1/2 65 | 40S | 2.875 73 | 0.203 5.16 | 5.80 8.63 |
| 2-1/2 65 | 80S | 2.875 73 | 0.276 7.01 | 7.67 11.41 |
| 3 80 | 5S | 3.500 88.9 | 0.083 2.11 | 3.03 4.52 |
| 3 80 | 10S | 3.500 88.9 | 0.120 3.05 | 4.34 6.46 |
| 3 80 | 40S | 3.500 88.9 | 0.216 5.49 | 7.58 11.29 |
| 3 80 | 80S | 3.500 88.9 | 0.300 7.62 | 10.26 15.27 |
| 3-1/2 90 | 5S | 4.000 101.6 | 0.083 2.11 | 3.48 5.18 |
| 3-1/2 90 | 10S | 4.000 101.6 | 0.120 3.05 | 4.98 7.41 |
| 3-1/2 90 | 40S | 4.000 101.6 | 0.226 5.74 | 9.12 13.57 |
| 3-1/2 90 | 80S | 4.000 101.6 | 0.318 8.08 | 12.52 18.64 |
| 4 100 | 5S | 4.500 114.3 | 0.083 2.11 | 3.92 5.84 |
| 4 100 | 10S | 4.500 114.3 | 0.120 3.05 | 5.62 8.37 |
| 4 100 | 40S | 4.500 114.3 | 0.237 6.02 | 10.80 16.08 |
| 4 100 | 80S | 4.500 114.3 | 0.337 8.56 | 15.00 22.32 |
| 5 125 | 5S | 5.563 141.3 | 0.109 2.77 | 6.36 9.46 |
| 5 125 | 10S | 5.563 141.3 | 0.134 3.40 | 7.78 11.56 |
| 5 125 | 40S | 5.563 141.3 | 0.258 6.55 | 14.63 21.77 |
| 5 125 | 80S | 5.563 141.3 | 0.375 9.53 | 20.80 30.97 |
| 6 150 | 5S | 6.625 168.3 | 0.109 2.77 | 7.59 11.31 |
| 6 150 | 10S | 6.625 168.3 | 0.134 3.40 | 9.30 13.83 |
| 6 150 | 40S | 6.625 168.3 | 0.280 7.11 | 18.99 28.26 |
| 6 150 | 80S | 6.625 168.3 | 0.432 10.97 | 28.60 42.56 |
Yes, custom sizes are available for Alloy Steel WP11 Buttweld Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@zainfittings.id.
Alloy Steel WP22 Buttweld Fittings find their place in various industries that demand high strength and resistance to high temperatures. This includes oil and gas refineries, thermal and nuclear power plants, chemical processing facilities, and petrochemical sectors. Their outstanding weldability and durability make them perfect for connecting pipes in high-pressure settings, effectively transporting steam, gas, and corrosive fluids. In Jakarta, where industrial growth is on the rise, these fittings play a crucial role in supporting safe and efficient piping systems across both infrastructure and energy sectors. Zain Fittings is committed to delivering exceptional performance by providing fittings that meet rigorous quality and international compliance standards, ensuring longevity and reliability.
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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