板材(cai)(sheet material)是(shi)做(zuo)成(cheng)(cheng)標(biao)準大小(xiao)的(de)扁(bian)平(ping)矩形(xing)建(jian)(jian)筑材(cai)料板,應用于建(jian)(jian)筑行業,用來作墻(qiang)壁、天花(hua)板或地(di)板的(de)構件。也多指(zhi)鍛造(zao)、軋制或鑄造(zao)而成(cheng)(cheng)的(de)金屬(shu)板。劃分為薄(bo)板、中板、厚板、特厚板、通(tong)常做(zuo)成(cheng)(cheng)標(biao)準大小(xiao)的(de)扁(bian)平(ping)矩形(xing)建(jian)(jian)筑材(cai)料板。