：精密管

山东大鼎钢管厂Seamless steel pipe is mainly produced by hot rolling, and extrusion method is mainly used to produce low plasticity high alloy steel pipe or special-shaped steel pipe and composite metal pipe which is difficult to pierce. Cold rolling and cold drawing process can make hot rolled tubes into small diameter thin-walled steel tubes. Welding steel pipe technology is simple, high production efficiency, low cost, and product variety is expanding day by day. Inventory or inventory increases capital risk. Tool Rust Removal: It is mainly used to grind steel surface with wire brush and other tools. It can remove loose or convex oxide scale, rust, welding slag and so on.山东大鼎金属材料有限公司

电动工具除锈可达到Sa级，如果钢表面粘附有固体氧化皮，不能满足建筑施工中保温和防腐施工线深度的要求。无缝钢管一般由优质碳素结合钢16Mn、5MnV、低合金结构钢40Cr、30CrMnSi、45Mn2、40MnB等合金钢经热轧或冷轧制成。低碳钢制成的无缝管主要用于流体输送管道。用45和40Cr等中碳钢制成的无缝管用于制造汽车和拖拉机等机械零件。一般来说，要保证无缝钢管的强度和扁平度。热轧钢管是在热轧或热处理中输送的，冷轧是在热处理中进行的。两个过程综述热轧（挤压无缝钢管）：圆坯加热穿孔三辊横轧、连续轧制或挤压汽提定径（或减径）冷却坯管矫直水压试验（或探伤）标记储存。

Annual inventory of about 10 thousand tons, annual sales volume of over 100 million yuan. The products are all implemented, applicable to engineering, coal mine, textile, electric power, boiler, machinery, engineering and other fields. The company has a good reputation, high-quality products, strong strength, low price reputation of more than 30 provinces, municipalities, autonomous regions, municipalities directly under the Central Government, the products are deeply dependent on users. The manager of the company and all the staff are looking forward to new and old guests from all over the country visiting the steel pipe supply com!公司主要生产无缝钢管、高压锅炉管、合金管、专用化肥管、货架管、建筑管、精密管、45钢管、16MN钢管、40CR钢管、27SIMN钢管、10钢管、20钢管、镀锌钢管。加工钢管、齿轮管、轴承管、圆钢管。钢板、工字钢、H型钢、扁钢、槽钢、螺旋管、小无缝钢管、GCR15钢管、方管、厚壁无缝钢管、高压合金管、15CRMO钢管、35CRMO钢管、10CRMOAI钢管、20CRMNTI钢管、25CRMO钢管、12CR1MOVG钢管，65 MN钢管、不锈钢管、管材、管材，目前主要生产碳素。钢、合金钢无缝管。规格5-4260.5-60MM，各类无缝钢管长度2-16M，年产销量30万吨。公司拥有28台大中型冷拔机、两台辊底热处理炉、9台大中型穿孔机和230台热轧钢管机组三套先进的生产设备和成熟的生产工艺。