Peter A. Frasse & Co., Inc. · Peter A. Frasse & Co., Inc. · leaf 47
nd labor to attempt to toughen or refine suc-cessfully the core of case-hardened steel high in impurities.It is also useless to attempt to heat-treat to high physicalproperties steel that is high in impurities. Alloy steels as employed in preference to straight carbonsteels, add to the parts to be… … 42 Guarantee of Physical Properties The extent of our guarantee of resultant physical prop-erties is limited to the restrictions placed upon us by thecustomer. It is quite obvious that where the purchaserspecifies the chemical content, and demands that certainphysical properties be obtained from…
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