From the heart of Hamilton, New Zealand, Neesham Flanges has built a reputation for uncompromising quality and local expertise. We specialise in the manufacture and supply of robust piping components, with our Stainless Steel 253MA Flanges standing as a prime example of our commitment. Engineered to excel where others falter, these flanges are the go-to solution for industries facing extreme thermal and corrosive challenges, offering a reliable connection that is trusted by engineers and project managers across the country and beyond.
The strength of 253MA lies in its sophisticated composition, which includes chromium, nickel, and carefully balanced additions of silicon, nitrogen, and cerium. This unique recipe gives the alloy exceptional resistance to oxidation and scaling, allowing it to maintain its integrity at temperatures soaring up to 1150°C. Mechanically, it offers high tensile and creep strength, meaning it can withstand intense pressure and prolonged heat without deforming, making it a remarkably durable material for the most demanding environments.
| Standards | ANSI/ASME B16.5, EN Flanges, BS 10, B16.47 Series A & B, EN-1092, ASME Flanges, BS Flanges, B16.48, DIN, DIN Flanges, GOST Flanges, ANSI Flanges, BS4504. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Production technique | Forged, Heat treated and machined |
|
Special design |
As per your drawing |
| AS, ANSI, BS, DIN and JIS | |
| 15 NB (1/2″) to 200 NB (8″) | |
| Equal and Reducing Configurations | |
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Small Tongue, Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Flat Face (FF), Large Tongue & Groove, Large Male-Female (LMF). |
| Largest Bore Diameter Sizes | NPS ≤ 10 |
| Minimum & Maximum Size | 1/2″ To 48″ |
| Origin | Indian / Japan / Korean / West Europe / USA |
| JIS Standard | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| A182 Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
|
Test Certificates |
EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc. | |
| Application | Gas, Power, Chemical, Metallurgy, Petroleum, Shipbuilding, Construction etc. |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe |
| 253 MA | 0.05 – 0.10 | 10.00-12.0 max | 1.40 -2.00 max | 0.14-0.20 max | 1.40-2.00 max | 0.80 max | 0.04 max | 20.00 – 22.00 | 0.03 – 0.08 | Balance |
| Tensile Strength | Elongation | Yield Strength (0.2%Offset) | Hardness |
| 600 | 40% | 310 | 95(Rockwell B) |
Neesham Flanges, a leading supplier in Hamilton, New Zealand, offers an extensive selection of Stainless Steel 253MA flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| STANDARD | WERKSTOFF NR. | UNS |
| 253 MA | 1.4835 | S30815 |
Stainless Steel 253MA flanges are widely used in industries requiring high-temperature and corrosion-resistant materials. They are commonly employed in power generation, petrochemical, and chemical processing plants, particularly in environments with elevated temperatures and aggressive chemicals. Due to their excellent creep strength and oxidation resistance, these flanges are ideal for heat exchangers, boilers, and furnace applications. Additionally, they are used in manufacturing equipment for the aerospace and marine industries, where high strength and resistance to thermal fatigue are essential for durability and performance.
| Nominal Size | Outside Diameter (OD) | Min. Thickness (T) | RF Dia. (R) | No. of Bolt Holes | Diameter of Holes | Bolt Circle (BC) | SO Bore ID (SB) | WN Bore ID (WB) | Dia. Hub Base (HB) | Dia. of Hub Top (HT) | SO LTH (SL) | WN LTH (WL) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1⁄2 | 3.50 | 0.38 | 1.38 | 4 | 0.62 | 2.38 | 0.88 | 0.62 | 1.19 | 0.84 | 0.56 | 1.81 |
| 3⁄4 | 3.88 | 0.44 | 1.69 | 4 | 0.62 | 2.75 | 1.09 | 0.82 | 1.50 | 1.05 | 0.56 | 2.00 |
| 1 | 4.25 | 0.50 | 2.00 | 4 | 0.62 | 3.12 | 1.36 | 1.05 | 1.94 | 1.32 | 0.62 | 2.12 |
| 11⁄4 | 4.62 | 0.56 | 2.50 | 4 | 0.62 | 3.50 | 1.70 | 1.38 | 2.31 | 1.66 | 0.75 | 2.19 |
| 11⁄2 | 5.00 | 0.62 | 2.88 | 4 | 0.62 | 3.88 | 1.95 | 1.61 | 2.56 | 1.90 | 0.81 | 2.38 |
| 2 | 6.00 | 0.69 | 3.62 | 4 | 0.75 | 4.75 | 2.44 | 2.07 | 3.06 | 2.38 | 0.94 | 2.44 |
| 21⁄2 | 7.00 | 0.81 | 4.12 | 4 | 0.75 | 5.50 | 2.94 | 2.47 | 3.56 | 2.88 | 1.06 | 2.69 |
| 3 | 7.50 | 0.88 | 5.00 | 4 | 0.75 | 6.00 | 3.57 | 3.07 | 4.25 | 3.50 | 1.12 | 2.69 |
| 31⁄2 | 8.50 | 0.88 | 5.50 | 8 | 0.75 | 7.00 | 4.07 | 3.55 | 4.81 | 4.00 | 1.19 | 2.75 |
| 4 | 9.00 | 0.88 | 6.19 | 8 | 0.75 | 7.50 | 4.57 | 4.03 | 5.31 | 4.50 | 1.25 | 2.94 |
| 5 | 10.00 | 0.88 | 7.31 | 8 | 0.88 | 8.50 | 5.66 | 5.05 | 6.44 | 5.56 | 1.38 | 3.44 |
| 6 | 11.00 | 0.94 | 8.50 | 8 | 0.88 | 9.50 | 6.72 | 6.07 | 7.56 | 6.63 | 1.50 | 3.44 |
| 8 | 13.50 | 1.06 | 10.62 | 8 | 0.88 | 11.75 | 8.72 | 7.98 | 9.69 | 8.63 | 1.69 | 3.94 |
| 10 | 16.00 | 1.12 | 12.75 | 12 | 1.00 | 14.25 | 10.88 | 10.02 | 12.00 | 10.75 | 1.88 | 3.94 |
| 12 | 19.00 | 1.19 | 15.00 | 12 | 1.00 | 17.00 | 12.88 | 12.00 | 14.38 | 12.75 | 2.12 | 4.44 |
| 14 | 21.00 | 1.31 | 16.25 | 12 | 1.12 | 18.75 | 14.14 | 13.25 | 15.75 | 14.00 | 2.19 | 4.94 |
| 16 | 23.50 | 1.38 | 18.50 | 16 | 1.12 | 21.25 | 16.16 | 15.25 | 18.00 | 16.00 | 2.44 | 4.94 |
| 18 | 25.00 | 1.50 | 21.00 | 16 | 1.25 | 22.75 | 18.18 | 17.25 | 19.88 | 18.00 | 2.62 | 5.44 |
| 20 | 27.50 | 1.62 | 23.00 | 20 | 1.25 | 25.00 | 20.20 | 19.25 | 22.00 | 20.00 | 2.81 | 5.62 |
| 22 | 29.50 | 1.75 | 25.25 | 20 | 1.38 | 27.25 | 22.22 | 21.25 | 24.25 | 22.00 | 3.07 | 5.82 |
| 24 | 32.00 | 1.81 | 27.25 | 20 | 1.38 | 29.50 | 24.25 | 23.25 | 26.12 | 24.00 | 3.19 | 5.94 |
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 | Table C | 95 | 67 | 4 | 13 | 14 |
| Table D | 95 | 67 | 4 | 13 | 14 | |
| Table E | 95 | 67 | 4 | 13 | 14 | |
| Table F | 95 | 67 | 4 | 13 | 14 | |
| Table H | 114 | 83 | 4 | 16 | 17 | |
| Table J | 114 | 83 | 4 | 16 | 17 | |
| ANSI B16.5 | ANSI 150 | 89 | 60 | 4 | 13 | 16 |
| ANSI 300 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 600 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 900 | 121 | 83 | 4 | 19 | 22 | |
| ANSI 1500 | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) | PN6 | 80 | 55 | 4 | M10 | 11 |
| PN10 | 95 | 65 | 4 | M12 | 14 | |
| PN16 | 95 | 65 | 4 | M12 | 14 | |
| PN20 | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 | 95 | 65 | 4 | M12 | 14 | |
| PN40 | 95 | 65 | 4 | M12 | 14 |
Yes, we offer custom sizes for Stainless Steel 253MA flanges to meet specific project needs. Our team at Neesham Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@neeshamflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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