钢铁产品碳足迹核算及报告指南作者：LachlanWright（lwright@rmi.org）、XiyuanLiu（xliu@rmi.org）、IrisWu（iwu@rmi.org）、SravanChalasani（schalasani@rmi.org）2023年5月目录1.背景.................................................................................................................................21.1简介...................................................................................................................................................................21.2目的...................................................................................................................................................................21.3原则...................................................................................................................................................................21.4基本方法...........................................................................................................................................................31.5术语...................................................................................................................................................................32.碳排放报告要求..............................................................................................................32.1产品层面...........................................................................................................................................................42.2固定的系统边界...............................................................................................................................................42.3比较边界内的活动和产品...............................................................................................................................52.4铁矿石炼钢和废钢炼钢...................................................................................................................................62.5减排技术...........................................................................................................................................................62.6数据来源...........................................................................................................................................................73.碳足迹核算要求..............................................................................................................73.1碳足迹核算程序...............................................................................................................................................73.2原材料输入的比例...........................................................................................................................................73.3碳排放强度与废钢比的关系...........................................................................................................................83.4减排技术的定义和标准.................................................................................................................................113.5出口产品（中间产品和共生产品）..............................................................................................................123.6数据来源.........................................................................................................................................................143.7现场数据比例...