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ASTM D217-10

Заменен
Standard Test Methods for Cone Penetration of Lubricating Grease — 14 стр.
Значение и использование

These cone penetration tests not only evaluate the consistency of lubricating greases over the full range of NLGI numbers from 000 to 6, but also evaluate the consistency of stiff greases having penetration numbers less than 85. In contrast, Test Method D937 is aimed at petrolatums and Test Method D1403 uses less precise one-quarter and one-half scale equipment intended for use when the sample quantity is limited.

Cone penetration test results provide one measure of the consistency of a grease. Worked penetration results are required to determine to which NLGI consistency grade a grease belongs. Undisturbed penetration results provide a means of evaluating the effect of storage conditions on grease consistency.

Although no correlation has been developed between cone penetration results and field service, the cone penetrations obtained by the four procedures are widely used for specification purposes, such as in users' material specifications and suppliers' manufacturing specifications.

Область применения

1.1 These test methods cover four procedures for measuring the consistency of lubricating greases by the penetration of a cone of specified dimensions, mass, and finish. The penetration is measured in tenths of a millimetre.

Note 1—The National Lubricating Grease Institute (NLGI) classified greases according to their consistency as measured by the worked penetration. The classification system is as follows:

ICS
75.100 Lubricants,. Including mineral oils, fluids for metal working and for temporary protection against corrosion / Смазки, индустриальные масла и связанные с ними продукты. Включая минеральные масла, жидкости для обработки металлов и для временной защиты от коррозии
Сборник ASTM
05.01 Petroleum Products, Liquid Fuels, and Lubricants (I): C1234–D3709 / Нефтепродукты, жидкое топливо и смазочные материалы (I): C1234–D3709
Тематика
Petroleum