ASTM F2328 PDF

ASTM F Standard Test Method for Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts. ASTM FM 淬火和回火的螺纹钢螺栓、螺钉和螺柱的脱碳和渗碳性测定的 标准试验方法(米制) – Designation: F M – 07 METRIC. Start. Standard ASTM standard · ASTM F Status: Withdrawn · Replaced by : ASTM F Fasteners; Rolling Element Bearings (ASTM VOL ).

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The threaded section will give evidence of carburization if the average of the four readings indicates a positive value. The microindentation method 2 shall be considered the referee method. If visible evidence of surface carburization is present on the surface zone, the microindentation hardness method, in accordance with Section 8, shall be used. Originally approved in 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.

This test method is not intended to address products which are intentionally carburized to achieve specific results. This standard is not included in any packages.

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No other units of measurement are included in this standard. As the voice of the U. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password.

NOTE 1—Refer atsm the product standard for speci? This test method is not intended to address products which are intentionally carburized to achieve speci? Historical Version s – view previous versions of standard. Webprint Asttm and bound. H For heat treated products which have tensile strengths up to MPa and those with a speci?

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Class 3 Hex Head, N min 0. Therefore, limits have been established for three different product groups: This procedure significantly reduces the random test variables when compared to testing on a single thread.

ASTM F2328 – 17

The optical method is the only valid method for evaluating the depth of gross decarburization. You may delete a document from your Alert Profile at any time.

The microindentation ast, 2 shall be considered the referee method. The microindentation method 2 shall be considered the referee method. This service is not available if you are a URL user where you do not log in with an email address. For example, if an order is placed to test for decarburization and none is found, but the presence of carburization is detected, it shall be reported on the test report that carburization was found. This standard is not included in f2238 packages.

ASTM FM 淬火和回火的螺纹钢螺栓、螺钉和螺柱的脱碳和渗碳性测定的标准试验方法(米制)_百度文库

Standards Subscriptions from ANSI provides f23288 money-saving, multi-user solution for accessing standards. For example, if an order is placed to test for decarburization and none d2328 found, but the presence of carburization is detected, it shall be reported on asttm test report that carburization was found.

Standards Subsctiption may be the perfect solution. When limits are not speci? Determine the condition of f23328 specimen by subtracting the average reading noted at Position 2 from the average reading noted at Position 1, in accordance with 8.

This procedure significantly reduces the random test variables when asfm to testing on a single thread. Class 4 Skt Head N min This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Therefore, limits have been established for four different product groups: Already F232 to this document. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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Your Alert Profile lists the documents that will be monitored. Too much of either will adversely affect the safety and performance of the threaded product. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Too much of either will adversely affect the safety and performance of the threaded product. As the voice of the U. Gross decarburization is prohibited in Class 3 and Class 4 products. This test method covers procedures for measuring, classifying, and determining the presence of decarburization and carburization in the threaded section of hardened and tempered inch series steel bolts, screws, studs, nuts, and similar parts which have been heated to facilitate fabrication or to modify their mechanical properties.

This test method is not intended to address products which are intentionally carburized to achieve asym results. See Table 2 and Fig.