2.4600
| Material No. | 2.4600 | |
|---|---|---|
| EN symbol (short) | NiMo29Cr | |
| AISI/SAE | — | — |
| UNS | N 10675 | N 10629 |
| AFNOR | — | — |
| B.S. | — | — |
| alloy | alloy B3 | alloy B4 |
| Registered work's label | Hastelloy® alloyB3 | Nicrofer® 6629 |
| Standards | VdTÜV 517 | VdTÜV 512 |
Description
This nickel molybdenum alloy 2.4600 (alloy B3 or alloy B4) has good stability against intergranular corrosion. Very high resistance against reductive media such as hydrochloric acid and sulfuric acid over broad concentration and temperature ranges. 2.4600 (alloy B3 oder alloy B4) is used with acetic acid, hydrogen chloride, sulphuric acid, phosphoric acid, production of phenol, styrene plants.
Our product range in 2.4600 (alloy B3 oder alloy B4) are tubes and pipes, fittings and flanges, accessories.
Chemical composition ¹ alloy B3 | ||||||||
| C ≤ % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Cr % | Mo % | Ni ≥ % | V ≤ % |
| 0,01 | 0,01 | 3 | 0,025 | 0,015 | 0,3-3,0 | 26,0-32,0 | 65,0 | 0,20 |
| Nb ² ≤ % | Ti ≤ % | Al % | Co ≤ % | Cu ≤ % | N % | Fe % | Ce % | W % |
| 0,4 | 0,2 | 0,10-0,50 | 3,0 | 0,5 | 1,0-6,0 | 3,0 | ||
| ¹ in accordance with Key to Steel 2001 ² Nb +Ta | ||||||||
Chemical composition ³ alloy B4 | ||||||||
| C ≤ % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Cr % | Mo % | Ni ≤ % | V ≤ % |
| 0,01 | 0,05 | 1,5 | 0,02 | 0,01 | 0,50-1,5 | 26,0-30,0 | 65,0 | xx |
| Nb % | Ti % | Al % | Co ≤ % | Cu % | N % | Fe % | Ce % | W % |
| xx | 0,10-0,50 | 2,5 | 0,5 | 2,0-6,0 | xx | |||
| ³ according to Krupp VDM | ||||||||
Special characteristics | ||
| Temperature range | Density kg/dm³ | Hardness |
|---|---|---|
| 500°C-820°C | 9,2 | |
| high corrosion resistant nickel molybdenum alloy, good resistance against pitting and crevice corrosion | ||
Welding filler |
| Rod (TIG welding) 2.4695 |
Main fields of application (depending on the specific conditions of use) |
| chemical industry, acetic acid, hydrogen chloride, sulphuric acid, phosphoric acid, production of phenol, styrene plants |
| (all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use) |