角钢
Angle steel
优质碳素结构钢主要用于制造机器零件。东莞钢材批发一般都要经过热处理以提高力学性能。根据碳的质量分数不同，有不同的用途。08、08F、10、10F钢，塑性、韧性高，具有优良的冷成形性能和焊接性能，常冷轧成薄板，用于制作仪表外壳、汽车和拖拉机上的冷冲压件，如汽车身、拖拉机驾驶室等；15、20、25钢用于制作尺寸较小、负荷较轻、表面要求耐磨、心部强度要求不高的渗碳零件，如活塞销、样板等；30、35、40、45、50钢经热处理(淬火+高温回火)后具有良好的综合力学性能，即具有较高的强度和较高的塑性、韧性，用于制作轴类零件，例如40、45钢常用于制造汽车、拖拉机的曲轴、连杆、一般机床主轴、机床齿轮和其他受力不大的轴类零件；55、60、65钢热处理(淬火+中温回火)后具有高的弹性极限，常用于制作负荷不大、尺寸较小(截面尺寸小于12～15mm)的弹簧，如调压和调速弹簧、柱塞弹簧、冷卷弹簧等 。
High quality carbon structural steel is mainly used to manufacture machine parts. In general, the wholesale of steel in Dongguan should be treated by heat treatment to improve the mechanical properties. Depending on the mass fraction of carbon, there are different uses. 08, 08F, 10, 10F steel, plastic, high toughness, excellent cold formability and weldability, often rolled into sheet, used in the production of cold stamping instrument shell, automobile and tractor, such as automobile, tractor cab body; 15, 20, 25 for the production of smaller size and steel lighter load, surface wear resistance, core strength requirements of the carburized parts, such as piston pin, such as model, 35, 40, 30; 45, 50 steel after heat treatment (quenching and high temperature tempering) has good mechanical properties, plasticity and toughness, which has high strength and high and for the production of shaft parts, such as 40, 45 steel is often used in the manufacture of automobile, tractor crankshaft, connecting rod, general machine tool spindle, gears and other less force of the shaft parts; 55, 60, 65 steel heat treatment (quenching + tempering) after high Elastic limit is usually used to make spring with small load and small size (section size less than 12 ~ 15mm), such as pressure regulating and speed regulating spring, plunger spring and cold coil spring.
济南永君物资有限责任公司
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