Different Descriptions Of Iron May Be Tested As Follows

HOT.

COLD.

Angle Irons

Notched and broken across to show quality of the iron.

May be bent thus

Different Descriptions Of Iron May Be Tested As Fo 300119

Or thus

Different Descriptions Of Iron May Be Tested As Fo 300120

Or flattened thus

Different Descriptions Of Iron May Be Tested As Fo 300121

One flange cut off and bent cold thus,

And end bent over thus

Different Descriptions Of Iron May Be Tested As Fo 300122

Different Descriptions Of Iron May Be Tested As Fo 300123

1 These are the tests used by the Admiralty.

Tee Irons

May be bent thus Different Descriptions Of Iron May Be Tested As Fo 300124

Same as for angle irons,

Or thus Different Descriptions Of Iron May Be Tested As Fo 300125

Tee bulb iron may be tested like Tee iron, and angle bulb iron like angle iron, after the bulb in each case is cut off.

The bulb may be notched on one side, and broken cold to show the quality of the iron.

Bulb Iron

Cut off bulb, and band web thus Different Descriptions Of Iron May Be Tested As Fo 300126

Bulb notched on one side, and broken to show quality of iron.

Channel Iron

Bent thus Different Descriptions Of Iron May Be Tested As Fo 300127

Flange cut off and bent cold as for angle iron. One sample notched, and broken cold, to show quality of iron.

Rivets of good quality should double when cold without showing any signs of fracture. The heads "when hot should stand being hammered down to less than 1/8-inch thickness without cracking at the edge. Rivets should also stand having a punch of nearly their own diameter driven right through the shank of the rivet when hot without cracking the iron round the hole." 1