ASTM D4172 - Wear preventive (Four-ball)

ASTM D4172 test method - Wear preventive (Four-ball). Common lab test used for marine lube quality assessment.

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{Method} = \text{ASTM D4172}

Symbol	Meaning	Unit
$ASTM D4172$	Wear preventive (Four-ball)

Source: ASTM D4172

ASTM D4172 test method - Wear preventive (Four-ball).