Encyclopedia · Manufacture, materials, and testing

Wrought-iron ordnance

Wrought iron, tough and resistant to bursting, was worked rather than cast. Its outstanding Civil War example is the 3-inch Ordnance Rifle, built of welded wrought-iron staves and bands.

Also known as: wrought-iron guns.

QualityTough and fibrous; resists bursting
WorkingForged and welded rather than cast
Chief exampleThe 3-inch Ordnance Rifle

A tougher iron

Wrought iron, unlike cast iron, was worked and welded rather than poured, and its fibrous structure made it tough and far more resistant to bursting. The difficulty and cost of forming a gun barrel from it limited its use, but where strength mattered most it excelled.

The 3-inch Ordnance Rifle was its great success: built up from wrought-iron staves and bands welded together and finished to bore, it earned a reputation for reliability that few cast guns could match and became the standard Federal rifled field piece.

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