附錄A（規(guī)范性）鋼材產(chǎn)品碳排放計(jì)算過程及計(jì)算方法單位鋼材產(chǎn)品碳排放量計(jì)算方法單位鋼材產(chǎn)品碳排放量等于原輔料獲取階段碳排放量和鋼材產(chǎn)品生產(chǎn)階段碳排放量之和與對應(yīng)鋼材產(chǎn)品產(chǎn)量之比，按式（1）計(jì)算：E=E原輔料+E式中：E——單位鋼材產(chǎn)品碳排放量，單位為噸二氧化碳每噸鋼材（tCO2/t鋼材）；E原輔料——核算和報(bào)告期內(nèi)原輔料獲取階段產(chǎn)生的二氧化碳排放量，單位為噸二氧化碳(tCO2)E生產(chǎn)——核算和報(bào)告期內(nèi)鋼材產(chǎn)品生產(chǎn)階段產(chǎn)生的二氧化碳排放量，單位為噸二氧化碳(tCO2)Q——核算和報(bào)告期內(nèi)對應(yīng)鋼材產(chǎn)品產(chǎn)量，單位為噸（t）。原輔料獲取階段產(chǎn)生的碳排放量計(jì)算原輔料獲取階段的碳排放量應(yīng)包括原輔料與能源開采、生產(chǎn)和運(yùn)輸過程的碳排放。納入核算的產(chǎn)品類型應(yīng)包括表A.1界定的產(chǎn)品。表A.1原輔料獲取階段需納入核算的產(chǎn)品類型產(chǎn)品類型產(chǎn)品名稱原料鐵礦石鐵合金外購燒結(jié)礦外購球團(tuán)礦外購鐵錠外購廢鋼能源洗精煤、煙煤、無煙煤等外購焦炭輔料石灰石白云石菱鎂石電極原輔料獲取階段產(chǎn)生的碳排放量宜優(yōu)先采用供貨企業(yè)提供的經(jīng)第三方認(rèn)證的碳排放量數(shù)據(jù)。對于原輔料供貨企業(yè)無法提供碳排放量數(shù)據(jù)的，應(yīng)按式（2）計(jì)算：E原輔料=h=1n式中：E開采及生產(chǎn)——核算和報(bào)告期內(nèi)第h種原輔料開采及生產(chǎn)階段的碳排放量，單位為噸二氧化碳(tCO2)E運(yùn)輸——核算和報(bào)告期內(nèi)第h種原輔料運(yùn)輸過程的碳排放量，單位為噸二氧化碳(tCO2)h——原輔料的類型。原輔料開采及生產(chǎn)過程碳排放量計(jì)算方法原輔料開采及生產(chǎn)過程碳排放量應(yīng)按式（3）計(jì)算：E開采及生產(chǎn)=h=1n式中：YDh——核算和報(bào)告期內(nèi)第h種原輔料的活動數(shù)據(jù)，單位為噸YFh——第h種原輔料開采及生產(chǎn)過程的碳排放因子，單位為噸二氧化碳每噸(tCO2/t)活動數(shù)據(jù)獲取原輔料的活動水平數(shù)據(jù)應(yīng)采用采購單等結(jié)算憑證上的數(shù)據(jù)。排放因子數(shù)據(jù)獲取原輔料的碳排放因子應(yīng)采用附錄B中B.1的數(shù)據(jù)。原輔料運(yùn)輸過程碳排放量計(jì)算方法原輔料運(yùn)輸過程產(chǎn)生的碳排放量應(yīng)按式（4）計(jì)算：E運(yùn)輸=h=1n式中：Dh——核算和報(bào)告期內(nèi)第h種原輔料的運(yùn)輸距離，單位為千米(km)VFhp——第h種原輔料的第p類運(yùn)輸方式的二氧化碳排放因子，單位為噸二氧化碳每噸每千米（tCO2p——原輔料的運(yùn)輸方式，例如公路、鐵路、航運(yùn)等。活動數(shù)據(jù)獲取原輔料的活動水平數(shù)據(jù)應(yīng)采用采購單等結(jié)算憑證上的數(shù)據(jù)。原輔料廠外運(yùn)輸距離宜采用實(shí)際里程數(shù)統(tǒng)計(jì)數(shù)據(jù)進(jìn)行計(jì)算。排放因子數(shù)據(jù)獲取運(yùn)輸方式的碳排放因子應(yīng)采用附錄B中B.3的數(shù)據(jù)。鋼材產(chǎn)品生產(chǎn)階段的碳排放量計(jì)算鋼材產(chǎn)品生產(chǎn)階段的碳排放量應(yīng)參照GB/T32151.5的規(guī)定進(jìn)行計(jì)算。

附錄B（資料性）相關(guān)參數(shù)推薦值原輔料開采及生產(chǎn)過程碳排放因子常用原輔料開采及生產(chǎn)過程碳排放因子見表B.1。表B.1原輔料開采及生產(chǎn)過程碳排放因子名稱單位碳排放因子外購焦炭tCO2/t0.93鐵礦石tCO2/t0.04鐵精粉（含加工）tCO2/t0.2鐵合金鉻鐵tCO2/t6.6錳鐵tCO2/t5.9鉬鐵tCO2/t8.1鎳鐵tCO2/t9.4硅鐵tCO2/t11.4外購廢鋼tCO2/t2.3外購鐵錠tCO2/t1.4外購燒結(jié)礦tCO2/t0.20外購球團(tuán)礦tCO2/t0.07電極tCO2/t2.65煤tCO2/t0.3石灰石tCO2/t0.005白云石tCO2/t0.006原輔料運(yùn)輸過程碳排放因子常用原輔料運(yùn)輸過程碳排放因子見表B.2。表B.2原輔料運(yùn)輸過程碳排放因子原輔料運(yùn)輸方式單位碳排放因子道路交通（貨運(yùn)）tCO2/tkm0.074航空（貨運(yùn)）tCO2/tkm0.979水運(yùn)（貨運(yùn)）tCO2/tkm0.012化石燃料相關(guān)參數(shù)推薦值常用化石燃料相關(guān)參數(shù)推薦值見表B.3。表B.3常用化石燃料相關(guān)參數(shù)推薦值燃料品種計(jì)量單位低位發(fā)熱量（GJ/t，GJ/104Nm3）單位熱值含碳量（tC/TJ）燃料碳氧化率固體燃料無煙煤t26.7c27.4b94%b煙煤t19.570d26.1b93%b褐煤t11.9c28.0b96%b洗精煤t26.334a25.41b90%b其他洗煤t12.545a25.41b90%b其他煤制品t17.46d33.6b90%b焦炭t28.435a29.5b93%b液體燃料原油t41.816a20.1b98%燃料油t41.816a21.1b98%b汽油t43.070a18.9b98%b柴油t42.652a20.2b98%b一般煤油t43.070a19.6b98%b液化天然氣t44.2c17.2c98%b液化石油氣t50.179a17.2c98%b焦油t33.453a22.0c98%b粗笨t41.816a22.7d98%b氣體燃料焦?fàn)t煤氣104Nm3179.81a13.58b99%b高爐煤氣104Nm333.00d70.8c99%b轉(zhuǎn)爐煤氣104Nm384.00a49.60b99%b其他煤氣104Nm352.270a12.2b99%b天然氣104Nm3389.31a15.3b99%b注：數(shù)據(jù)取值來源為a《中國能源統(tǒng)計(jì)年鑒2013》，b《省級溫室氣體清單編制指南（試行）》，c《2006年IPCC國家溫室氣體清單指南》，d《中國溫室氣體清單研究》（2007）。生產(chǎn)過程排放因子推薦值常用生產(chǎn)過程排放因子推薦值見表B.4。表B.4生產(chǎn)過程排放因子推薦值名稱計(jì)量單位CO2排放因子(tCO2/t)石灰石t0.440白云石t0.471電極t3.663生鐵t0.172直接還原鐵t0.073鎳鐵合金t0.037鉻鐵合金t0.275鉬鐵合金t0.018注：數(shù)據(jù)來源為《國際鋼鐵協(xié)會二氧化碳排放數(shù)據(jù)收集指南(第六版)》。其他排放因子和參數(shù)推薦值其他排放因子和參數(shù)推薦值見表B.5。表B.5其他排放因子和參數(shù)推薦值名稱單位CO2排放因子電力tCO2MWh采用國家最新發(fā)布值熱力tCO2/GJ0.11粗鋼tCO2/t0.0154甲醇tCO2/t1.375飽和蒸汽熱焓值飽和蒸汽熱焓值見表B.6。表B.6飽和蒸汽熱焓表壓力（MPa）溫度（℃）焓（kJ/kg）壓力（MPa）溫度（℃）焓（kJ/kg）0.0016.982513.81179.8827770.00217.512533.21.1184.062780.40.00324.12545.21.2187.962783.40.00428.982554.11.3191.627860.00532.92561.21.4195.042788.40.00636.182567.11.5198.282790.40.00739.022572.21.6201.372792.20.00841.532576.71.4204.32793.80.00943.792580.81.5207.12795.10.0145.832584.41.9209.792796.40.015542598.92212.372797.40.0260.092609.62.2217.242799.10.02564.992618.12.4221.782800.40.0369.122625.32.6226.032801.20.0475.892636.82.8230.042801.70.0581.3526453233.842801.90.0685.952653.63.5242.542801.30.0789.962660.24250.332799.40.0893.5126665263.922792.80.0996.712671.16275.562783.30.199.632675.77285.82771.40.12104.812683.88294.982757.50.14109.322690.89303.312741.80.16113.322696.810310.962724.40.18116.932702.111318.042705.40.2120.232706.912324.642684.80.25127.432717.213330.812662.40.3133.542725.514336.632638.30.35138.882732.515342.122611.60.4143.622738.516347.322582.70.45147.922743.817352.262550.80.5151.852748.518356.962514.40.6158.842756.419361.442470.10.7164.962762.920365.712413.90.8170.422768.421369.792340.20.9175.36277322373.682192.5過熱蒸汽熱焓值過熱蒸汽熱焓值見表B.7。表B.7過熱蒸汽熱焓表溫度壓力0.01MPa0.1MPa0.5MPa1MPa3MPa5MPa7MPa10MPa14MPa20MPa25MPa30MPa0℃00.10.51357.110.114.120.125.13010℃4242.142.54344.946.948.851.755.661.366.170.820℃83.98484.384.886.788.690.493.297102.5107.1111.740℃167.4167.5167.9168.3170.1171.9173.6176.3179.8185.1189.4193.860℃2611.3251.2251.2251.9253.6255.3256.9259.4262.8267.8272276.180℃2649.3335335.3335.7337.3338.8340.4342.8346350.8354.8358.7100℃2687.32676.5419.4419.7421.2422.7424.2426.5429.5434437.8441.6120℃2725.42716.8503.9504.3505.7507.1508.5510.6513.5517.7521.3524.9140℃2763.62756.6589.2589.5590.8592.1593.4595.4598602605.4603.1160℃28022796.22767.3675.7676.9678679.2681683.4687.1690.2693.3180℃2840.62835.72812.12777.3764.1765.2766.2767.8769.9773.1775.9778.7200℃2879.32875.22855.52827.5853853.8854.6855.9857.7860.4862.8856.2220℃2918.32914.728982874.9943.9944.4945946947.2949.3951.2953.1240℃2957.42954.32939.92920.528231037.810381038.41039.11040.31041.51024.8260℃2996.82994.12981.52964.82885.511351134.71134.31134.111341134.31134.8280℃3036.530343022.93008.32941.828571236.71235.21233.51231.61230.51229.9300℃3076.33074.13064.23051.32994.22925.42839.21343.71339.51334.61331.51329表B.7過熱蒸汽熱焓表(續(xù))溫度壓力0.01MPa0.1MPa0.5MPa1MPa3MPa5MPa7MPa10MPa14MPa20MPa25MPa30MPa400℃3279.432783217.832643231.63196.93159.73098.530042820.12583.22159.1420℃3320.963319.683313.83306.63276.93245.432113155.983072.722917.022730.762424.7440℃3362.523361.363355.93349.33321.93293.23262.33213.463141.443013.942878.322690.3450℃3383.33382.23377.13370.73344.43316.832883242.23175.83062.42952.12823.1460℃3404.423403.343398.33392.13366.83340.43312.43268.583205.243097.962994.682875.26480℃3446.663445.623440.93435.13411.63387.23361.33321.343264.123169.083079.842979.58500℃3488.93487.93483.73478.33456.43433.83410.23374.133233240.231653083.9520℃3531.823530.93526.93521.863501.283480.123458.63425.13378.43303.732373166.1540℃3574.743573.93570.13565.423546.163526.443506.43475.43432.53364.63304.73241.7550℃3593.23595.43