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 Standard ASTM standard · ASTM F Status: Withdrawn · Replaced by : ASTM F Fasteners; Rolling Element Bearings (ASTM VOL ).
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Start Webshop Product catalog Product presentation. Too much of either will adversely affect the safety and performance of the threaded product. When either test method is performed, both conditions will qstm apparent and shall be reported.
When either test method is performed, both conditions will be apparent and shall be reported. Astmm much of either will adversely affect the safety and performance of the threaded product. The Microindentation Method 2 shall be considered the referee method. This standard is not included in any packages.
No other units of measurement are included in this standard. Need more than one copy?
ASTM F2328 – 17
You may delete a document from your Alert Profile at any time. Gross decarburization is prohibited in Class 3 and Class 4 products.
Precision and Bias 9. Already Subscribed to this document. Therefore, limits have been established for three different product groups: Either method is appropriate for routine examinations. Historical Version s – view previous versions of standard. Thread Pitch, P mm 0. Add to Alert PDF. 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.
Therefore, limits have been established for three different product groups: Need more than one copy? You may delete a document from your Alert Profile at any time.
Evaluation by the Optical Method 7. For example, if an order is qstm to test for decarburization and none is found but the presence of decarburization is detected, it shall be reported on the test report that carburization was found. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
Either method is appropriate for routine examinations. Subscription pricing is determined by: When limits are not speci? The long axis of the Knoop indenter shall be aligned approximately parallel with the thread pitch angle at Position 3.
Please first verify your email before subscribing to alerts. This procedure significantly reduces the random test asfm when compared to testing on a single thread. Evaluation by the Microindentation Hardness Method 8.
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
qstm Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxastn service astm. As the voice of the U. Dimension G Table 1 and Fig. Either method is appropriate for routine examinations. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. The width of any light-etching band of martensite de?
The threaded section will give evidence of carburization if the average of the four readings indicates a positive value.