Serving industries across New Zealand and beyond, Hamilton’s own Latham Steel has built a strong reputation for reliability in the specialised field of industrial components. Our expertise shines in the production of Alloy Steel F1 Flanges, where a commitment to precision engineering meets rigorous quality control. We understand that the integrity of your piping systems is paramount, which is why we supply flanges that are built to withstand the most challenging conditions, ensuring your operations run smoothly and safely from the heart of the Waikato.
The strength of our Alloy Steel F1 Flanges comes from a carefully balanced composition, primarily chromium and molybdenum, which gives them excellent performance in high-temperature and high-pressure environments. This specific alloy mix ensures they possess superior tensile strength and impressive resistance to corrosion and oxidation. Essentially, this means they won’t weaken or deteriorate easily under stress or heat, providing a durable and dependable sealing solution for critical connections that need to last.
Alloy Steel Flanges Specification :Â ASTM A182 / ASME SA182
Dimension Standard :Â ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard :Â ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size :Â 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure :Â 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type :Â Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges :Â DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges :Â JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges :Â BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb |
|---|---|---|---|---|---|---|---|---|---|
| F1 | 0.28 | 0.60 – 0.90 | 0.045 | 0.045 | 0.15 – 0.30 | – | – | 0.44-0.65 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F1 | 485 | 275 | 20 | – | 143-192 |
| STANDARD | DIN WERKSTOFF NR. | DIN | UNS |
| ASTM A182 F1 Flanges | 1.5415 | 15M03 | K12822 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size in (Inches) | Size in (Millimeter) | Number of Bolts | Bolt Size Of UNC | Length Of RF Stud | Size Of ISO Stud | Length Of Machine Bolts |
|---|---|---|---|---|---|---|
| Class 300 Flange | ||||||
| 1/2 | 15 | 4 | 1/2 | 65 | M14 | 55 |
| 3/4 | 20 | 4 | 5/8 | 75 | M16 | 65 |
| 1 | 25 | 4 | 5/8 | 75 | M16 | 65 |
| 1 1/4 | 32 | 4 | 5/8 | 85 | M16 | 70 |
| 1 1/2 | 40 | 4 | 3/4 | 90 | M20 | 75 |
| 2 | 50 | 8 | 5/8 | 90 | M16 | 75 |
| 2 1/2 | 65 | 8 | 3/4 | 100 | M20 | 85 |
| 3 | 80 | 8 | 3/4 | 110 | M20 | 90 |
| 3 1/2 | 90 | 8 | 3/4 | 110 | M20 | 95 |
| 4 | 100 | 8 | 3/4 | 115 | M20 | 95 |
| 5 | 125 | 8 | 3/4 | 120 | M20 | 110 |
| 6 | 150 | 12 | 3/4 | 120 | M20 | 110 |
| 8 | 200 | 12 | 7/8 | 140 | M24 | 120 |
| 10 | 250 | 16 | 1 | 160 | M27 | 140 |
| 12 | 300 | 16 | 1 1/8 | 170 | M30 | 145 |
| 14 | 350 | 20 | 1 1/8 | 180 | M30 | 160 |
| 16 | 400 | 20 | 1 1/4 | 190 | M33 | 165 |
| 18 | 450 | 24 | 1 1/4 | 195 | M33 | 170 |
| 20 | 500 | 24 | 1 1/4 | 205 | M33 | 185 |
| 24 | 600 | 24 | 1 1/2 | 230 | M39 | 205 |
Latham Steel is a top manufacturer and supplier of high-quality Alloy Steel F1 Flanges products in Hamilton, New Zealand. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
You’ll typically find our Alloy Steel F1 Flanges hard at work in demanding sectors like power generation, particularly in fossil fuel and geothermal plants, where they manage high-temperature steam lines. They are also essential in oil and gas refineries, chemical processing plants, and various heavy industrial settings. Any application that involves elevated temperatures, corrosive media, or high-pressure fluids is a perfect match for the resilience these flanges offer, making them a trusted component for engineers who can’t afford compromises.
Latham Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hamilton, New Zealand.
Copyright 2025 Latham Steel. All rights reserved