| Standards to be developed and implemented for manufacturing track pressing plate |
| ¡¡Hits£º1663¡¡AddTime£º2020/9/5 9:55:39 |
| No matter what kind of products, we will have strict production requirements, so as to standardize this boundless steel market. Track pressing plate is mainly used in crane and rail industry. The requirements of large-scale equipment on product quality and precision are very high. What standards do we need to implement to produce rail plate? The track pressing plate is zg270-500, and the material meets the requirements of GB 5676-85. The precision casting is adopted. The grade II quantity and dimension deviation meet the requirements of gb6414-86, and the surface roughness is 25%. The bolts and nuts are made of q235bf steel, and the mechanical properties and chemical composition meet the requirements of gb6170-86. The flat washer is q235af steel, and the manufacturing requirements are in accordance with gb97.1-85. The spring washer is 65Mn, the material meets the requirements of gb1222-84, and the manufacturing requirements meet the requirements of gb93-87.
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