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本产品的加工定制是否,型号是J422,材质是C/S/Mn/P/Si,焊芯直径是3.2(mm),品牌是大桥,类型是结构钢焊条,药皮性质是酸性焊条,直径是3.2(mm),长度是350(mm),焊接电流是400(A),电流幅度是300(A),工作温度是550(℃),适用范围是焊接钢板,产地是天津,硬度HRC是550