Big Red Says
M-1 Helmet Production Breakage IX – Necessity and Limitations
M-1 Helmet Production Breakage IX
Necessity and Limitations
At the best of times Ordnance was losing approximately 3 out of every 10 helmets they procured and at the worst of times they were losing 4 to 5 out of every ten.
M-1 Helmet Production Breakage VIII – Differences In The Steel Making Process
M-1 Helmet Production Breakage VIII
Differences In The Steel Making Process
How differing steel making methods affected M-1 helmet cracking.
M-1 Helmet Production Breakage VII – Sharon Steel Corp. & Helmet Steel Defects
M-1 Helmet Production Breakage VII
Sharon Steel Corp. & Helmet Steel Defects
Decarburization and martensite formations, new problems same results.
M-1 Helmet Production Breakage VI - Deja Vu
M-1 Helmet Production Breakage VI - Deja Vu
Supplemental contracts meant to help make up for breakage losses actually increased losses.
M-1 Helmet Production Breakage V - Part Deux Schlueter & Sharon
M-1 Helmet Production Breakage V - Part Deux Schlueter & Sharon
Early in 1943 two new companies entered the helmet field, the Schlueter Manufacturing Company of St. Louis, Missouri undertook the manufacture of helmets and the Sharon Steel Corp. of Sharon, Pa. the manufacture of Hadfield manganese steel helmet stock.