ASME SB 649 Alloy 926 Incoloy 926 round bar,UNS N08926 W.Nr.1.4529 round bar
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N08926 stainless steel is a superaustenitic (highly alloyed) stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. N08926 is the UNS number for this material. Alloy 926 is the common industry name.
Incoloy 926 (UNS N08926 / W.Nr. 1.4529) is an austenitic stainless steel alloy which has a similar chemical composition with 904L alloy. Its nitrogen content is 0.2%, molybdenum content is 6.5%. Molybdenum and nitrogen content significantly increased the resistance of pitting and crevice corrosion in the halide media. Meantime, nickel and nitrogen not only ensures the stability of metallographical, but also reduce separating intergranular trend in the thermal process or welding process better than the nitrogen content of nickel alloy.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
| Incoloy 926 NAS 255NM Cronifer 1925hMo |
– | – | Incoloy 926 | N08926 | 25-6Mo | 1.4529 | X1NiCrMoCu | X1NiCrMoCu | – | – |
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Cu | N | Fe |
| Incoloy 926 | ≤0.02 | ≤0.50 | ≤2.00 | ≤0.03 | ≤0.01 | 19.0-21.0 | 24.0-26.0 | 6.0-7.0 | 0.6-1.2 | 0.5-1.5 | 0.15-0.25 | Bal |
Typical Physical and Mechanical Properties (RT, Solution annealed)
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HB |
| 8.1 | 1320-1390 | 650 | 295 | 35 | – |
