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    • 2. 发明申请
    • STUD WELDABLE REBAR
    • 可焊接的钢筋
    • WO2017151590A1
    • 2017-09-08
    • PCT/US2017/019905
    • 2017-02-28
    • NELSON STUD WELDING, INC.
    • HOUSTON, IanCHAMPNEY, ClarkEDGAR, JonIRIMIES, Cornel
    • E04C5/02C22C38/00
    • A stud weldable rebar includes a steel bar comprised of a material composition confirming to ASTM 706 which extends along an axis A from a first end to a second end, The steel bar includes a base portion disposed adjacent the first end which has a base diameter D1 to define a base cross-sectional area of the base portion. The steel bar also includes an upset portion disposed adjacent the second end which has an upset diameter D2 being greater than said base diameter D1 to define an upset cross-sectional area of said upset portion, The material composition of the steel bar is restricted to a carbon equivalency between 0,31 and 0.43, and the upset cross-sectional area is approximately 13.5% to 22,5% greater than the base cross-sectional area to provide A706 rebar that surprisingly meets both the AWS D1.1 and AC1 318 standards after stud welding,
    • 可螺栓焊接的钢筋包括由符合ASTM 706的材料组成的钢筋,该钢筋从第一端到第二端沿着轴线A延伸。钢筋包括邻近 第一端具有基部直径D1以限定基部的基部横截面积。 钢筋还包括邻近第二端设置的镦粗部分,该镦粗部分具有大于所述基部直径D1的镦粗直径D2,以限定所述镦粗部分的镦粗横截面积。钢筋的材料组成限定为 碳当量介于0.31和0.43之间,并且镦粗横截面积比基础横截面积大约13.5%至22.5%,以提供A706钢筋,令人惊讶地符合AWS D1.1和AC1 318标准 螺柱焊接后,