Grant Fittings is a reliable manufacturer and supplier located in Manila, Philippines, known for its top-notch Alloy Steel F1 Forged Fittings. With a strong focus on precision engineering and durability, Grant Fittings provides high-quality forged fittings that adhere to international standards for strength and reliability. Their products find applications across various sectors, including petrochemical, power generation, and oil & gas. With years of experience and a talented team, the company guarantees timely delivery, competitive pricing, and outstanding customer service. When it comes to dependable forged fittings in Manila, Grant Fittings is the go-to choice for Alloy Steel F1 components.
| Specifications | ASTM A234 / ASME SA234 |
|---|---|
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size | Seamless Fittings: 1/2″ – 10″ Welded Fittings: 1/2″ – 48″ |
| 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 |
| Manufacturing Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, DN15-DN1200 BS : BS4504, BS4504, BS1560, BS10 JIS : JIS B2311, JIS B2312, JIS B2313, JIS B2316 GOST : GOST 17375, GOST 17376, GOST 30753, GOST 17378, GOST 17379, GOST 17380 EN: EN10253-1, EN10253-2 |
| Types | Seamless / ERW / Welded / Fabricated |
| Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Elbow | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| Manufacturing process | Push, Press, Forge, Cast, etc. |
| Specialized manufacturer of | 90º Elbows, Couplings, Reducers, Inserts, Caps, Nipples, 45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Alloy Steel WP11 pipe fittings are composed of chromium (1-1.5%), molybdenum (0.45-0.65%), and carbon (0.05-0.15%), along with small amounts of manganese, silicon, phosphorus, and sulfur. This composition ensures that the fittings offer excellent strength, corrosion resistance, and thermal stability. The mechanical properties of WP11 fittings include a tensile strength ranging from 415-585 MPa, with a yield strength of 205 MPa, providing durability in high-pressure environments. These fittings also feature an elongation of up to 20%, excellent toughness, and are suitable for high-temperature and pressure applications such as in power plants, refineries, and petrochemical industries. Additionally, WP11 fittings offer exceptional weldability and creep resistance.
| 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 | 1-1.5 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP11 | 415 – 585 | ≥205 | ≥20 |
Alloy Steel F1 Forged Fittings are primarily made up of chromium (Cr) and molybdenum (Mo), which give them exceptional strength, hardenability, and resistance to corrosion. The typical chemical makeup includes 0.10% carbon, 0.50–0.80% manganese, 0.44–0.65% molybdenum, and 0.50–0.80% chromium. These fittings boast impressive mechanical properties, featuring a tensile strength of about 415 MPa and a yield strength of 205 MPa, with an elongation of 22%. These characteristics make Alloy Steel F1 perfect for high-temperature and high-pressure applications, ensuring long-lasting performance and resilience against stress-related damage.
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 Pipe Fittings from Grant 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.
Alloy Steel WP11 Pipe Fittings offer excellent strength, durability, and resistance to high temperatures, making them ideal for use in demanding environments like power plants and high-pressure systems. These fittings exhibit superior resistance to oxidation, corrosion, and wear, ensuring long-lasting performance. The material’s ability to withstand thermal fatigue and stress under extreme conditions enhances its reliability. Alloy Steel WP11 Pipe Fittings are highly versatile, offering easy weldability and formability for various applications, ensuring efficient and safe operation in critical industrial settings. They are cost-effective due to their longevity and minimal maintenance needs.
| Nominal Pipe Size | All Fittings | All Fittings | All Fittings | Elbows/ Tees | 180° Return Bends | 180° Return Bends | 180 Deg Return Bends | Reducers | Caps |
|---|---|---|---|---|---|---|---|---|---|
| NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) | Wall Thickness (3) | Centre-to-End Dimension A,B,C,M | Centre-to-Centre O | Back-to-Face K | Alignment of Ends U | Overall Length H | Overall Length E |
| ½ to 2½ | 0.06 -0.03 | 0.03 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 3 to 3 ½ | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 4 | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 5 to 8 | 0.09 -0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
| 10 to 18 | 0.16 -0.12 | 0.12 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 20 to 24 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 26 to 30 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.12 | … | … | … | 0.19 | 0.38 |
| 32 to 48 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.19 | … | … | … | 0.19 | 0.38 |
Yes, custom sizes for Alloy Steel WP11 Pipe Fittings are available at Grant Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@grantfittings.com.
Grant Fittings’ Alloy Steel F1 Forged Fittings are widely utilized in industries where high strength and resistance to heat and pressure are essential. This includes oil and gas refineries, power plants, chemical processing facilities, and marine engineering systems. The fittings are perfect for connecting pipelines, valves, and equipment in high-temperature and corrosive settings. Thanks to their toughness and mechanical stability, they are favored for use in steam lines, heat exchangers, and pressure vessels. Their precise design guarantees leak-proof performance, making them ideal for high-pressure fluid and gas transmission systems in demanding industrial environments.
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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