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YS/T 831-2012: TZM molybdenum alloy bars
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YS/T 831-2012	English	239	Add to Cart	3 days [Need to translate]	TZM molybdenum alloy bars

YS/T 831-2012: TZM molybdenum alloy bars

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TZM molybdenum alloy bars ICS 77.150.99 H63 People's Republic of China Nonferrous Metals Industry Standard TZM molybdenum alloy bar Issued on. 2012-11-07 2013-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Western Metal Materials Co., Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality. The main drafters of this standard. light new country, Hou Juntao, Dengzi Nan, Ding Xu, Huang Xianming, Zhangjiang Feng. TZM molybdenum alloy bar

1 Scope

This standard specifies the TZM molybdenum alloy rod requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificate Contract (or purchase order) content. This standard applies to pressure and powder metallurgy processing method produced TZM molybdenum alloy bar, the bar is mainly used in electronic, medical, military Workers, and other industries.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. Who does not note date reference documents, the latest edition (including any amendments) applies to this document. RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile GB/T 4196 Method for determining the density of tungsten and molybdenum strip GB/T 4197 grain size of sintered bar and rod test methods tungsten and molybdenum and its alloys GB/T 4325 (all parts), chemical analysis of molybdenum

3 Requirements

3.1 Chemical composition High-temperature structural parts of chemical composition of the product shall comply with the requirements in Table 1, wherein, Ⅰ grade product suitable for processing into a variety of electronic and Functional element, Ⅱ grade product suitable for processing into high-temperature structural elements under a non-oxidizing atmosphere conditions. Table 1 % Grade rating Principal Component (mass fraction) Moa Ti Zr C TZM Grade Ⅰ balance 0.400 0.600 0.060 - 0.120 0.010 - 0.040 Ⅱ grade balance 0.400 - 0.600 0.060 - 0.120 0.010 - 0.040 Grading Impurity content (mass fraction) Al Mg Fe Ni Si NO Grade Ⅰ ≤0.002 ≤0.002 ≤0.010 ≤0.005 ≤0.010 ≤0.003 ≤0.040 Ⅱ ≤0.002 ≤0.002 ≤0.010 ≤0.005 ≤0.010 ≤0.003 0.040 ~ 0.080 a molybdenum content of 100% in the table all the impurity elements in the difference between the sum of the measured values, summing the elements of the former value shall be rounded to the 10-5 level. 3.2 Product specifications and state Supply Status 3.2.1 products are divided into two types of sintering and pressure processing, product brands, specifications, and status are shown in Table 2. ...