Boiler Tube Nickel Alloy ASTM B407 Alloy 800 800H 800HT for Tube bundle Application
Boiler Tube Nickel Alloy ASTM B407 Alloy 800 800H 800HT for Tube bundle Application
YUHONG'S Incoloy 800H(UNS N08810) has a restricted carbon content range of 0.05 to 0.10%, which is in the upper portion of that of Incoloy 800, and is annealed at 1149 to 1177℃ (Incoloy 800 is annealed at 983 to 1038℃). These differences impart it to have higher stress rupture and creep properties than Incoloy 800.
Chemical Composition of Incoloy Alloy 825
Table 1. Chemical composition of Incoloy Alloy 825 (ASTM B163 Heat exchanger tube)
Element |
% | Element | % |
| Nickel | 38.0--46.0 | Carbon | 0.05 max |
| Chromium | 19.5--23.5 | Manganese | 1.0 max |
| Molybdenum | 2.5--3.5 | Sulfur | 0.03 max |
| Copper | 1.5 --3.0 | Silicon | 0.5 max |
| Titanium | 0.6--1.2 | Aluminium | 0.2 max |
| Iron | 22.0 min (~33%) |
Tensile Properties of Incoloy Alloy 825
Table 2. Typical room temperature tensile properties (not for design. Consult the relevant material or product specification for design values)
Form |
Condition | 0.2% Proof Stress MPa |
Tensile Strength MPa |
Elong % |
|||
| Tube | Annealed | 440 | 770 | 35 | |||
| Tube | Cold drawn | 880 | 1000 |
15 |
Incoloy 800 Din 1.4876 Square Tube size and weight
| DIMENSIONS | WALL | WEIGHT PER | DIMENSIONS | WALL | WEIGHT PER | |
|---|---|---|---|---|---|---|
| (MM) | (MM) | METRE (KG) | (MM) | (MM) | METRE (KG) | |
| 12.7 x 12.7 | 1.20 | 0.44 | 40 x40 | 1.20 | 1.49 | |
| 12.7 x 12.7 | 1.50 | 0.55 | 40 x40 | 1.50 | 1.85 | |
| 15 x 15 | 1.20 | 0.53 | 40 x40 | 2.00 | 2.45 | |
| 15 x 15 | 1.50 | 0.65 | 40 x40 | 3.00 | 3.75 | |
| 20 x 20 | 1.20 | 0.71 | 50 x50 | 1.50 | 2.32 | |
| 20 x 20 | 1.50 | 0.88 | 50 x50 | 2.00 | 3.08 | |
| 20 x 20 | 2.00 | 1.19 | 50 x50 | 3.00 | 4.65 | |
| 25 x 25 | 1.20 | 0.92 | 60 x60 | 2.00 | 3.71 | |
| 25 x 25 | 1.50 | 1.14 | 60 x60 | 3.00 | 5.49 | |
| 25 x 25 | 2.00 | 1.49 | 70 x70 | 3.00 | 6.53 | |
| 25 x 25 | 3.00 | 2.20 | 80 x80 | 2.00 | 4.98 | |
| 30 x 30 | 1.20 | 1.10 | 80 x80 | 3.00 | 7.53 | |
| 30 x 30 | 1.50 | 1.37 | 100 x 100 | 2.00 | 6.40 | |
| 30 x 30 | 2.00 | 1.84 | 100 x 100 | 3.00 | 9.53 | |
| 30 x 30 | 3.00 | 2.72 | ||||
Nickel Alloy 800 Capillary Tube Size Chart
| Gauge | Outside Diameter Tolerance mm | Regular Wall (RW) mm | Thin Wall (TW) mm | Extra Thin Wall (XTW) mm | Ultra Thin Wall (UTW) mm |
| 30 | 0.304 - 0.317 | 0.064 - 0.089 | |||
| 29 | o.330 - 0.342 | 0.064 - 0.089 | |||
| 28 | 0.355 - 0.368 | 0.076 - 0.102 | |||
| 27 | 0.406 - 0.419 | 0.089 - 0.115 | 0.064 - 0.089 | ||
| 26 | 0.457 - 0.469 | 0.089 - 0.114 | |||
| 25 | 0.508 - 0.520 | 0.115 - 0.140 | 0.089 - 0.114 | ||
| 24 | 0.558 - 0.571 | 0.114 - 0.140 | 0.089 - 0.114 | 0.051 - 0.102 | |
| 23 | 0.635 - 0.647 | 0.140 - 0.165 | 0.089 - 0.114 | 0.051 - 0.102 | |
| 22 | 0.711 - 0.723 | 0.140 - 0.165 | 0.096 - 0.121 | 0.077 - 0.102 | 0.051 - 0.102 |
| 21 | 0.812 - 0.825 | 0.140 - 0.165 | 0.102 - 0.127 | 0.051 - 0.102 | |
| 20 | 0.901 - 0.914 | 0.108 - 0.165 | 0.108 - 0.134 | ||
| 19 | 1.054 - 1.079 | 0.166 - 0.216 | 0.102 - 0.140 | 0.070 - 0.108 | |
| 18 | 1.257 - 1.282 | 0.191 - 0.241 | 0.127 - 0.165 | 0.083 - 0.121 | 0.051 - 0.102 |
| 17 | 1.460 - 1.485 | 0.177 - 0.229 | 0.115 - 0.152 | 0.083 - 0.127 | 0.057 - 0.102 |
| 16 | 1.638 - 1.663 | 0.204 - 0.254 | 0.127 - 0.165 | 0.096 - 0.133 | 0.070 - 0.121 |
| 15 | 1.816 - 1.841 | 0.204 - 0.254 | 0.127 - 0.165 | 0.096 - 0.134 | 0.070 - 0.121 |
| 14 | 2.082 - 2.133 | 0.216 - 0.292 | 0.165 - 0.229 | 0.114 - 0.165 | 0.076 - 0.134 |
| 13 | 2.387 - 2.438 | 0.267 - 0.343 | 0.191 - 0.267 | ||
| 12 | 2.743 - 2.749 | 0.267 - 0.321 | |||
| 11 | 3.023 - 3.073 | 0.293 - 0.368 | 0.216 - 0.292 | ||
| 10 | 3.378 - 3.429 | 0.318 - 0.394 | 0.216 - 0.292 |
Application
Incoloy 825 is the material of choice in a wide variety of applications up to a temperature of approximately 550C (1020F),
- Chemical Processing
- Nuclear Fuel Reprocessing
- Acid Production
- Pickling Equipment
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