An oxy-fuel gas flame that is neither oxidizing nor reducing.

Cast iron with a structure consisting of a mixture of free cementite, free graphite, and pearlite.

The color of a surface that radiates light, containing an extremely small range of wavelengths.

The sum of the atomic weights of all the constituent atoms in the molecule of an element or compound.

An arc-welding process wherein coalescence is produced by heating with an arc between a covered metal (stick) electrode and the work. Shielding is obtained from decomposition of the electrode covering. Pressure is not used and filler metal is obtained from the electrode.