Shawn Flanges, based in Houston, USA, stands out as a leading manufacturer and supplier of Stainless Steel 310H Flanges, crafted specifically for high-temperature and high-pressure applications. The 310H grade is the high carbon variant of 310 stainless steel, known for its superior creep resistance and strength retention at temperatures exceeding 650°C. Shawn Flanges provides a diverse selection of flange types, including weld neck, slip-on, socket weld, blind, threaded, and lap joint, all adhering to ASTM A182, ASME B16.5, and various international standards. These flanges are perfect for use in power generation, petrochemical, refinery, and heat treatment sectors.
The Stainless Steel 310H Flanges from Shawn Flanges are composed of 24–26% chromium, 19–22% nickel, and a carbon content of at least 0.04%, which enhances their strength at elevated temperatures. They boast a tensile strength of around 515 MPa and a yield strength of at least 205 MPa, along with impressive oxidation resistance up to 1100°C during continuous operation. The higher carbon content contributes to improved creep resistance, making 310H flanges ideal for extended exposure to heat and pressure. They also retain good ductility, weldability, and corrosion resistance in oxidizing environments, particularly under conditions of thermal cycling or high-temperature oxidation.
Specifications : ASTM A182 & ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 310H | min. | 0.04 | – | – | – | – | 24.0 | – | 19.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.03 | 26.0 | 21.0 | – | ||
| 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 | ||||
| 310H | 515 | 205 | 40 | 95 | 217 |
Shawn Flanges, a leading supplier in Houston, USA, offers an extensive selection of Stainless Steel 310H 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.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 310H | S31009 | – | – | – | – | – | – |
Shawn Flanges’ Stainless Steel 310H Flanges find extensive use in heat exchangers, furnace components, burners, superheaters, and refinery piping systems, where high heat and corrosion resistance are essential. Typical applications include power plants, thermal processing units, incinerators, and flue gas cleaning systems. Thanks to their remarkable mechanical integrity at elevated temperatures, they are also utilized in oil and gas refineries, petrochemical facilities, and waste heat recovery systems. The enhanced creep strength of 310H ensures a long service life and dimensional stability in challenging working conditions. Shawn Flanges is committed to delivering durability and precision machining.
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Stainless Steel 310H flanges to meet specific project needs. Our team at Shawn Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@shawnflanges.us.
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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