National standards, "Molybdenum and molybdenum alloy rods GB / T a" by the State Administration of Quality and Technical Supervision approved and implemented. The standard in the preparation process, the reference to the ASTMB387 a 90 "Molybdenum and molybdenum alloy bars, rods and wire" standard, combined with our supply situation developed, its horizontal and foreign standards fairly, fully able to meet the production and the user's needs.
This standard specifies the molybdenum and molybdenum alloy rods classification, requirements, test methods, inspection rules. Products supplied by sintering and thermal processing state is divided into two categories, molybdenum and molybdenum alloy rods thermal processing methods are usually extrusion, forging and rolling and so on. Mol sintered rods with a diameter of 5mm. Length of 400mm, rod marked Mol ShØ50 × 400; thermal processing after sintering with Mol rod diameter of 5 grumble length shy Lin Li's blood will stick marked MolShR 50x4's;
Thermal processing of a rod made RMol diameter of 50mm, a length of 900mm, bars labeled RMoI RØ50 × 900. Boast song sintered bar is not more than 10mm / m plus a diameter greater than 25mm forging and extrusion rods bent less than 5mm / m; diameter less than 25mm rod, which after bending of not more than shy blanket sintered bar cross section of the grain bin number for the 1000 / mm2 ~ 3500 / mm2.
The standard applies for glass melting and smelting of rare earth Qi electrode, stirrer and electronic structures and other uses of molybdenum and molybdenum alloy sintered rods and thermal processing rods.
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