When furnace temperatures rise, standard low alloy grade tube may fall short, unable to withstand the harsh effects of hot corrosion, including oxidation, carburizing, sulfidation and nitridation. To address these challenges, we offer a wide range of seamless, high-temperature tubes suitable for use in furnace applications with temperatures between 500°C (932°F) and 1,250°C (2,280°F).
Our range includes a wide variety of austenitic stainless steels, nickel alloys and iron-chromium-aluminum (FeCrAl) alloys, specifically developed to perform in the most demanding environments and a variety of furnace types. In addition to furnaces, we provide muffle tube, kiln lances, and tube for recuperators. Our focus is on delivering optimized price-performance solutions tailored for your specific requirements
Serving a wide variety of industries
- Petrochemicals
- Iron, steel and metallurgical industries
- Glass manufacturing
- Utility plant boilers
Meeting new high-temperature challenges
At temperatures above 500°C (932°F), new types of corrosion emerge due to the presence of reactive gases, which shifts materials priorities. This demands a careful balance of key properties such as:
- Creep strength (rather than just yield point)
- Structural stability
- Oxidation and corrosion resistance
Which tube is right for you?
Our team of materials experts is here to help you find the perfect solution by balancing performance characteristics to meet your exact needs. Explore our stock program below, utilize our E-track online ordering system and check out the links for commonly used high-temperature austenitic stainless steels, nickel alloys, and iron-chromium-aluminum (FeCrAl) alloys.
Alleima high-temperature tubes
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Stock program
Alleima holds stock of five different grades commonly used in a variety of high-temperature tube applications. We also stock composite tubes.
View stock program of high-temperature tubes
| Alleima grade | UNS | ASTM | EN steel no. |
|---|---|---|---|
| Alleima® Esshete 12501) | S21500 | - | 1.4982 |
| Alleima® 5R10 | S30400/S30409 | 304/304H | 1.4301/1.4948 |
| Alleima® 253 MA2) | S30815 | - | 1.4835 |
| Alleima® 8RE18 | S30908/30909 | 309S, 309H | 1.4833 |
| Alleima® 7RE10 | S31008/S31009 | 310S, 310H | 1.4845 |
| Sanicro® 253) | S31035 | - | - |
| Alleima® 6LR62 | S31600/S31609 | 316, 316H | 1.4401 |
| Alleima® 8R61 | - | ASTM (316H) | 1.4918 |
| Alleima® 6R35 | S32100/S32109 | 321/321H | 1.4541/1.4940 |
| Alleima® 8R40 | S34700/S34709 | 347/347H | 1.4550/1.4912 |
| Alleima® 6R44 | S34700/S34709 | 347/347H | 1.4550/1.4912 |
| Alleima® 8R41 | - | - | 1.4961 |
| Alleima® 353 MA2) | S35315 | - | 1.4854 |
| Alleima® 2C48 | S44600 | 446-2 | - |
| Alleima® 4C54 | S44600 | 446-1 | 1.4749 |
| Sanicro® 625 | N06625 | Alloy 625 | - |
| Sanicro® 61 | N06601 | - | - |
| Sanicro® 70 | N06600 | Alloy 600 | - |
| Sanicro® 31H4) | N08810 | Alloy 800H | 1.4958 |
| Sanicro® 31HT | N08811/N08810 | - | 1.4959 |
| Kanthal APM | - | - | - |
| Kanthal APMT | - | - | - |
1) Esshete 1250 is a trademark owned by Corus
2) 253 MA and 353 MA are trademarks owned by Outokumpu OY
3) Approved as per Vd TÜV 555
4) Contact us for more information
| Alleima grade | UNS | ASTM/ ASME |
EN steel no. | EN steel name |
|---|---|---|---|---|
| Corrosion-resistant alloys | ||||
| Sanicro® 67 | N06690 | - | 2.4642 | - |
| Sanicro® 38 | N08825 Mod. | - | 2.4858 | - |
| Sanicro® 30 | N08800 | - | 1.4558 | - |
| Sanicro® 28 | N08028 | - | 1.4563 | X1NiCrMoCu31-27-4 |
| Alleima® 3RE28 | - | 310 | 1.4845* | - |
| Alleima® 3R12 | S30403/ S30400 |
304L | 1.4306 | - |
| Load-carrying alloys, pressure-bearing components | ||||
| 4L7 | - | SA210-A1 (C) | 1.0425 | P265GH |
| 3Mo1 | - | - | 1.5415 | 16Mo3 |
| HT5 | - | SA213-T12 | 1.7335 | 13CrMo4-5 |
| HT8 | - | SA213-T22 | 1.7380 | 10CrMo910 |
| T23 | SA213-T23 | 1.8201 | 7CrWVMoNb9-6 | |
| T24 | - | SA213-T24 | 1.7378 | 7CrMoVTiB10-10 |
| HT7 | - | SA213-T91 | 1.4903 | X10CrMoVNb9-1 |