型材怎样加工呢，像球扁钢，角钢和一些加强材？
How do you shape the different sections, such as, bulb plates, Angle bars, and other stiffeners.
本衬垫适用于各种球扁钢对接接头CO2气保护单面焊用。
This backing is uesd for CO2 one-side welding of bulb steel.
本发明公开了一种高强度球扁钢的生产工艺，包括成份控制。
The invention discloses a technique for producing high strength ball flat steel, which comprises composition control.
本发明方法对工字钢、槽钢、球扁钢、角钢等其它薄壁型材的生产也十分适用。
The method of the invention is also suitable for the production of other thin-wall sections such as I-beam, U-beam, flat bulb steel, angle steel, etc.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
应用推荐