soft steel

noun

First recorded in 1865–70

Soft steel and cast iron will have the appearance of an ash-gray tint; tempered steels will be black; and pudp.

When the letters are to be engraved in steel, blocks or "blanks" are cut from soft steel and finished to the proper size.

I imagine one would use a soft steel or ivory slip rubbed over with fine diamond dust and oil by means of an agate.

It has the effect of forming a very hard and durable skin on the surface of soft steel, leaving the inside unaffected.

The original die is engraved on a block of soft steel of very fine and even quality.

Browse