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 Standard ASTM standard · ASTM F Status: Withdrawn · Replaced by : ASTM F Fasteners; Rolling Element Bearings (ASTM VOL ).
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We have no document history for this standard. This test method is not intended to address products which are intentionally carburized to achieve specific results.
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Proceed to Checkout Continue Shopping. Determine the condition of the specimen by subtracting the average reading noted at Position 1 from the average reading noted at Position 3, as de? Guide N 12 G max 0. The microindentation method 2 shall be considered the referee method.
Add to Alert PDF. Therefore, limits have been established for four different product groups: The dimensions for N and H are listed in Table 2 for each Class. Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
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
Already Subscribed to this document. The microindentation method 2 shall be considered the referee method. This shall adtm performed in accordance with good metallographic practice. If f3228 document is revised or amended, you will be notified by email. When such data is available, a precision and bias section will be added. Please first log in with a verified email before subscribing to alerts. Both methods are used for routine inspections when evaluations are conducted at a single location on the product sample.
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Because an evaluation at a speci? Need more than one copy?
ASTM F2328 – 17
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If the document is revised or amended, you will be notified by email. This test method is not intended to address products which are intentionally carburized to achieve specific results. See Practice E 3. Please first verify your email before subscribing to alerts.
We have no amendments or corrections for this standard. Precision and Bias 9. Already Subscribed to this document. It is the responsibility of the qstm of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Add to Alert PDF. NOTE 1—Refer to the product standard for speci? No other units of measurement are included in this standard. Care must also be exercised to not alter the surface condition of the substrate during the coating removal process. Too much of either will adversely affect the safety and performance of the threaded product.
Class 2 Hex Head, N min 0. Proceed to Checkout Continue Astmm. Class of Decarburization 5. If visible evidence of surface carburization is present on the surface zone, the microindentation hardness method, in accordance with Section 8, shall be used. Please first verify your email before subscribing to alerts. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
See Table 2 and Fig. The microindentation method 2 shall f238 considered the referee method. This procedure significantly reduces the random test variables when compared to testing on a single thread.