bulb steel

基本解释

This backing is uesd for CO2 one-side welding of bulb steel.
本衬垫适用于各种球扁钢对接接头CO2气保护单面焊用。
meteln.com
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.
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。
ip.com
The paper introduces the production and practice of grade B hot rolled bulb steel, developed and produced jointly by Tianjin Tiantie Metallurgical Group Co.
介绍了天铁冶金集团公司与常熟市龙腾特种钢有限公司合作开发生产B级热轧球扁钢的生产实践。