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YS/T 676-2008: Molybdenum-aluminium intermediated alloy
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YS/T 676-2008: Molybdenum-aluminium intermediated alloy

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Molybdenum-aluminium intermediated alloy ICS 77.150.99 H63 People's Republic of China Nonferrous Metals Industry Standard Molybdenum aluminum master alloys Posted 2008-03-12 2008-09-01 implementation National Development and Reform Commission issued

Foreword

This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by the Baoji Titanium Group Ltd., Baoji Titanium Industry Co., Ltd., Baoji in special metal-limited liability company responsible for drafting. The main drafters of this standard. Fengjun Ning, Li, Wang Yongmei, Yinshu Xia, Chang-Jian, Liu. Molybdenum aluminum master alloys

1 Scope

This standard specifies requirements for aluminum master alloy of molybdenum, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or close Same) content. This standard applies to the production of aluminum thermal reduction method, add titanium master alloy molybdenum aluminum.

2 Requirements

2.1 Grades Molybdenum intermediate aluminum alloy grades for Al-60Mo. 2.2 Chemical composition Chemical composition of the product shall comply with the requirements in Table 1. Table 1% Principal Component (mass fraction) of impurity elements (mass fraction), not more than Mo Al Fe Si C V O 60.0 ~ 67.0 margin 0.30 0.30 0.05 0.05 0.10 2.3 size Product size should be less than 6.0mm. Each batch size allowing a small amount beyond the range of products, but their number should not exceed the weight of the batch 4.0%, a maximum particle size of not more than 10mm. 2.4 High-density inclusions Products should be no high-density inclusions. 2.5 appearance quality Product surface should be clean, not allowed to have visual evidence of loose material, an oxide film, slag and other inclusions. Test Method 3 3.1 Analysis of the chemical composition of the product according to the current methodology for the party, and the arbitration analysis by both parties through consultation. Measuring particle size measuring 3.2 product sieving method or with the corresponding precision. High-density 3.3 product inclusions by X-ray inspection method. 3.4 appearance quality of the product by visual inspection.

4 test rules

4.1 inspection and acceptance 4.1.1 Products should be for the quality inspection department checks to ensure product quality and compliance with this standard purchase order (or contract) requirements, and Fill in the quality certificate. 4.1.2 demand-side response received product reinspection according to the provisions of the standard. Reinspection results with this standard and purchase order (or contract) provisions Does not match, the supplier shall be made in writing by both parties through consultation. Belonging appearance quality and size of the object shall be in receipt of the product 30 days from the date proposed; belong to other objections shall be the date of receipt of goods within three months. For arbitration, arbitration sampled by the supply and demand The two sides jointly at the demand side. ...