Grant Fittings stands out as a premier manufacturer and supplier of Stainless Steel 304H Buttweld Fittings right in the heart of Manila, Philippines. We offer an extensive selection of top-notch buttweld fittings, including elbows, tees, reducers, caps, and stub ends, all made from SS 304H—a high-carbon version of the popular 304 grade. This material is specifically designed for high-temperature applications, providing superior strength and durability even in extreme heat conditions. Our fittings cater to various industries, including power generation, oil and gas, chemical processing, and refineries, ensuring that they meet international quality and performance standards throughout the Philippines.
Specifications : ASTM A403 / ASME SA403
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 Butt Weld Fittings : 1/2″ – 10″ | Welded Butt Weld Fittings : 1/2″ – 48″
Schedule : SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / ERW / Welded / Fabricated
Thickness :20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
Stainless steel 304H Buttweld Fittings are primarily made of 18-20% chromium (Cr) and 8-12% nickel (Ni), with a carbon content of 0.04-0.10% and possibly small amounts of manganese, silicon and molybdenum and it is in the. The material provides very high resistance to oxidation, corrosion and heat. Mechanical properties include tensile strength of 515-720 MPa, yield strength of 205 MPa, and elongation of 40% in 50 mm. It has good formability and weldability, making it suitable for high temperature applications such as pressure vessels and heat exchangers.
| C | Mn | Si | P | S | Cr | Ni | N | |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
| 304L | 0.03max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 12.0 | 0.10 max |
| 304H | min: 18.0 max:20.0 | min: 8.0 max: 10.5 | min: 0.04 max:0.10 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 304 | 75 | 30 | 40 | 201 | 92 |
| 304L | 70 | 25 | 40 | 201 | 92 |
| 304H | 75 | 30 | 40 | 201 | 92 |
The Stainless Steel 304H Buttweld Fittings we supply are crafted with high levels of chromium and nickel, along with increased carbon content to enhance their strength at elevated temperatures. This unique composition offers remarkable resistance to oxidation, scaling, and stress rupture, especially in environments exceeding 500°C. SS 304H retains its mechanical integrity under thermal stress, making it perfect for pressure piping systems that face continuous high heat. Additionally, these fittings are known for their excellent weldability and formability. At Grant Fittings, we prioritize quality control, ensuring that every product is consistent and durable, ready to perform reliably in critical systems.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
|---|---|---|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
| SS 304H | S30409 | 1.4301 | – | – | – | – | – |
Stainless Steel 304H Buttweld 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.
Our Stainless Steel 304H Buttweld Fittings are widely utilized in sectors that demand both corrosion resistance and high-temperature strength. Common applications include boilers, superheater tubes, heat exchangers, pressure vessels, and piping systems in power plants. They are also essential in petrochemical and refinery operations where thermal and mechanical stress is a significant concern. With our dedication to precision manufacturing and timely delivery, you can trust Grant Fittings to meet your needs effectively.
| SS 304/304L | ||||||
|---|---|---|---|---|---|---|
| Density lbm/in3 | Thermal Conductivity (BTU/h ft. °F) | Electrical Resistivity (in x 10-6) | Modulus of Elasticity (psi x 106 | Coefficient of Thermal Expansion (in/in)/ °F x 10-6 | Specific Heat (BTU/lb/ °F) | Melting Range (°F) |
| at 68°F: 0.285 | 9.4 at 212°F | 28.3 at 68°F | 28 | 9.4 at 32 – 212°F | 0.1200 at 68°F to 212°F | 2500 to 2590 |
| 12.4 at 932 °F | 39.4 at 752°F | 10.2 at 32 – 1000°F | ||||
| 49.6 at 1652 °F | 10.4 at 32 – 1500°F | |||||
| SS 304H | ||||||
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | ||
| at 68 °F | at 68 – 212°F | at 68 – 1600°F | at 212°F | at 932°F | at 32 – 212°F | in tension (E) |
| 0.285 | 9.2 | 11.0 | 9.4 | 12.4 | 0.12 | 29 x 106 |
Yes, custom sizes for Stainless Steel 304H Buttweld 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.
Stainless steel 304H Buttweld Fittings are commonly used in high temperature and high pressure applications due to their excellent strength and corrosion resistance They are ideal for petrochemical, chemical systems, power generation, oil and gas industries, where durability and oxidation resistance are concerned need These fittings steam , hot air, various They are also used in systems containing corrosive chemicals. The ability to withstand elevated temperatures makes them suitable for heat exchangers, pressure cookers and air filters, ensuring reliable operation in harsh environments
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
©2024 Grant Fittings. All Rights Reserved.
