Tim Fittings is a reliable manufacturer and supplier of top-notch Stainless Steel 304L Buttweld Fittings based in Wellington, New Zealand. Renowned for our precision engineering and durable products, we offer a diverse selection of fittings designed to meet the rigorous demands of various industries. Our Stainless Steel 304L Buttweld Fittings are crafted to deliver outstanding performance, exceptional corrosion resistance, and robust strength, ensuring they last in critical applications. With a strong commitment to quality control and customer satisfaction, Tim Fittings has built a solid reputation throughout New Zealand as a dependable partner for stainless steel piping solutions.
Specifications : ASTM A182 & ASME SA182
Standard : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size : 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type : Socketweld Fittings, Screwed-Threaded Fittings
Stainless steel 304/304L forged fittings are made primarily of steel, with 18-20% chromium, 8-12% nickel, and small amounts of manganese, silicon, and carbon (304L has small amounts of carbon to improve its weldability); They offer good for corrosion resistance, especially to oxidation , and chemical absorption, thus being suitable for the environment a strong encounter. These fittings exhibit high tensile strength, ductility and rigidity, and maintain mechanical integrity even at elevated temperatures. Their low-carbon conversion reduces carbide precipitation during welding, resulting in longer life. Commonly used in piping systems, it combines reliability, strength and corrosion resistance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
The Stainless Steel 304L Buttweld Fittings we provide in Wellington are made from low-carbon 304L stainless steel, which enhances their weldability while reducing the risk of carbide precipitation. These fittings contain about 18–20% chromium and 8–12% nickel, with a low carbon content (≤0.03%) that boosts their corrosion resistance. They boast impressive mechanical properties, featuring a tensile strength of around 485 MPa and a yield strength of 170 MPa. Even at low temperatures, they maintain good ductility and toughness, making them perfect for both structural and pressure applications where long-term performance is essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306/1.4307 | S30403 | SUS 304L | – | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| Products | Size | |
|---|---|---|
| ASTM A182 SS 304 Forged 90° Elbow | ASTM A182 SS 304 Forged 45° Elbow | Sizes 1/8″– 4″ Pressure Ratings – 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| ASTM A182 SS 304 Forged Tee | ASTM A182 SS 304 Forged Union | |
| ASTM A182 SS 304 Forged Cross | ASTM A182 SS 304 Forged Insert | |
| ASTM A182 SS 304 Forged Bushing | ASTM A182 SS 304 Forged Pipe Nipple | |
| ASTM A182 SS 304 Forged Cap | ASTM A182 SS 304 Forged Coupling | |
| ASTM A182 SS 304 Forged Plug | ASTM A182 SS 304 Forged Street Elbow | |
Choose Stainless Steel 304/304L Forged Fittings from Tim Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Stainless steel 304/304L forged fittings offer many advantages, including superior corrosion resistance, especially in acidic and alkaline environments, and their high tensile strength and toughness ensure durability under stress and temperature conditions even at higher levels. The low carbon content of 304L improves weldability and reduces the risk of carbide precipitation, thereby maintaining overall system integrity. These fittings are highly resistant to corrosion, oxidation and staining, making them ideal for a wide range of applications including pharmaceutical, food processing and marine etc. Their smooth finish makes for easy maintenance and excellent aesthetic appeal.
Yes, custom sizes for Stainless Steel 304/304L Forged Fittings are available at Tim Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@timfittings.co.nz
| 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 |
Tim Fittings’ Stainless Steel 304L Buttweld Fittings are widely utilized across various industries in Wellington and beyond. Their excellent corrosion resistance and weldability make them ideal for chemical processing, food and beverage manufacturing, pharmaceuticals, petrochemical plants, and marine environments. These fittings are perfect for systems that require consistent flow, structural integrity, and resilience against harsh conditions. Common applications include pipelines, pressure vessels, heat exchangers, and water treatment facilities. Their hygienic properties and low maintenance needs make them a top choice for many professionals.
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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