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Normas ASTM – AENOR
ASTM D3917-12

ASTM D3917-12

Standard Specification for Dimensional Tolerance of Thermosetting Glass-Reinforced Plastic Pultruded Shapes

Fecha:
2015-04-08 /Historical
Superseeded by:
Abstract:

This specification defines the dimensional tolerances of standard rods, bars, and shapes pultruded from thermosetting glass-reinforced plastics. Tolerances cover dimensional criteria for cross sections, width or diameter, straightness, twist, surface flatness, angularity, and camber.

Scope:

1.1 This specification defines tolerances applicable to standard rods, bars, and shapes pultruded from thermosetting glass-reinforced plastics.

1.2 These dimensional tolerances apply to all shapes specified as standard by the pultrusion industry.

1.3 Custom shapes and products designed for special applications may carry specific tolerances that vary from the standard.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 The following safety hazards caveat pertains only to the test methods portion, Section 4, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Note 1—There is no known ISO equivalent to this standard.

Keywords:
dimensional tolerance; pultruded shapes; thermosetting plastic; Dimensions--plastic materials/applications; Glass-fiber-reinforced (GRP) plastics--specifications; Plastic glass-fiber-reinforced pultruded rod; Plastics--specifications; Reinforced thermosetting plastics (RTP)--specifications; Tolerances--plastics
45,64
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