Table 4 Average Compositions of M7C3-Type Carbides in M42 HSS after Annealing.

From: Influence of the Nitrogen Content on the Carbide Transformation of AISI M42 High-Speed Steels during Annealing

M7C3

Element (mass%)

Formula

Fe

Cr

Co

Mo

W

C

Σ

M42

1.559

2.498

0.071

0.209

0.013

0.416

4.766

(Fe0.336Cr0.577Co0.009Mo0.026W0.001)7C3

M42-N

1.753

2.544

0.052

0.310

0.025

0.465

5.149

(Fe0.347Cr0.541Co0.010Mo0.036W0.002)7C3

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