Adinox Overseas is a world-renowned manufacturer, supplier, and exporter of quality Stainless Steel 321H Tubes, specifically designed to cater to the requirements of high-temperature usage and superior structural stability. The Stainless Steel 321H is an austenitic stainless steel grade with a higher carbon version than the grade 321. It is also known as UNS S32109 and adheres to the standard ASTM A213 TP321H, which is applicable for the supply of seamless and welded tubing for usage in a high-temperature service.
Our SS 321H Tubes are designed with a focus to provide improved creep resistance and tensile strength at temperatures over 537°C (1000°F). The enhanced carbon level enhances the resistance of the material to stress rupture and the maintenance of mechanical properties in the thermal condition. The material is specifically well-suited for use in applications such as petroleum refining, chemical processing, heat exchangers, superheatrs, boilers, and exhaust systems.
The most important benefit of utilizing Stainless Steel 321H Tubing is its resistance to intergranular corrosion following exposure to elevated temperatures. Titanium is stabilized within the alloy to avert the precipitation of chromium carbide, which further improves corrosion resistance in all types of oxidizing and neutral conditions. 321H is the only austenitic grade of stainless steel that retains excellent performance in constant service temperatures, providing long-duration stability and maximum durability.
The excellent oxidation resistance of 321H Stainless Steel Tubes, even in aggressive and moist conditions, renders them suitable for flue gas scrubbers, ducting for high temperatures, and incineration plants. As a provider whether you need tubing for operation under cryogenic or high temperature conditions, Adinox Overseas caters to your requirements as an engineer.
| Specification | ASTM A249, ASTM A269, ASTM A213, ASTM A312, ASTM A358, ASME SA249, ASME SA269, ASME SA213, ASME SA312, ASME SA358 EN 10216-5, EN 10217-7 |
|---|---|
| Pipes Other Grades | 202, 304, 304L, 304H, 304LN, 309S, 310S, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L, SMO 254, ALLOY 254, 6MO, 6MOLY, UNS S31254 ETC. |
| Pipes Type | Seamless / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish |
| Pipes Form | Round Pipes, Square Pipes, Rectangular Pipes |
| Outer Diameter Size | SEAMLESS - 1/2" NB TO 18" NB WELDED / ERW- 1" NB TO 16" NB EFW - 8" NB TO 110" NB |
| Wall Thickness | SCH 20, 30, 80, 60, 120, 160, and 140, STD, XS, and XXS (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size. |
| Pipes Ends | Plain Ends / Beveled Ends |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 321H | min. max |
0.04 0.10 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
- | Ti=4(C+N) 0.70 |
| 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 | ||||
| 321H | 515 | 205 | 40 | 95 | 217 |
| 321H also has a requirement for a grain size of ASTM No 7 or coarser. | |||||
ASTM A312 / A213 / A249 / A358 TP 321H Stainless Steel Tubes, Stainless Steel 321H werkstoff nr. 1.4878 Tubes Manufacturer, Exporter & Suppliers, Stainless Steel UNS S32109, INOX 321H Tubes, Stainless Steel ASTM A312 TP321H Seamless Tubes, AISI 321H Round Tubes, ASTM A554 SS 321H Square Tubess, Stainless Steel ASTM A358 TP321H EFW Tubes Traders, SUS 321H Seamless Tubess Stockists in Mumbai, Stainless Steel 321H ERW Tubess, 321H Austenitic Stainless Steel Tubess, SS 321H Polished Tubes, SS 321H Welded Pipes Dealer and Suppliers in India.
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