Incoloy 903 Alloy Bars

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of incoloy 903 alloy bars in China. With abundant experience, we warmly welcome you to wholesale customized incoloy 903 alloy bars from our factory. For price consultation, contact us.

Incoloy 903 is a Nickel-based heat resistant superalloy (HRSA) material with a Machinability rating of 11% and Hardness of 41 HRC.

Incoloy 903 has 39% nickel and additional alloying elements per the below table.

The main feature of nickel-based alloys is their excellent strength across a wide temperature range combined with good corrosion resistance. In this sub-group, the material standards also define the allowed hardness range, and hardness is a significant factor affecting the machinability (besides the chemical composition).

Incoloy 903 is among the hardest of the nickel-based alloys, and accordingly has poor machinability of only 11%

Superalloys should be machined with a positive and sharp cutting edges. Geometries that are suitable for austenitic stainless steel will also work well on HRSA. However, quality manufacturers will have in their catalogs additional geometries that are specifically designed for these challenging materials.

Summery:

For general Turning of Material Incoloy 903 at stable conditions use a grade with a Very Hard substrate and PVD coating.

For general Milling use a grade with a Semi Hard substrate and PVD coating.

For detailed carbide grades recommendations, check the Below Chart, or use the Grades Wizrad.

Recommended Cutting speed range for turning at stable conditions is 110 - 160 [SFM] / 35 - 50 [m/min].

Consider using CBN inserts. Although they cost more than twice, they enable increasing the cutting speed by 2-4 times (relative to carbide). Learn More ⇒

Recommended Cutting speed range for milling with stable clamping and short overhang is 100 - 130 [SFM] / 30 - 40 [m/min]

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