欧标H型钢S355J0材质规格尺寸表

欧标h型钢s355j0材质规格尺寸表

he理重kg/m高h翼宽b腹板厚tw翼板厚tfhe 100 aa12.2911004.25.5he 100 a16.79610058he 100 b20.41001006.010he 100 c30.9110103915he 100 m41.81201061220he 120 aa14.61091204.25.5he 120 a19.91141205.08he 120 b26.71201206.511he 120 c39.21301239.516he 120 m52.114012612.521he 140 aa18.11281404.36he 140 a24.71331405.58.5he 140 b33.7140140712he 140 c48.21501431017he 140 m63.21601461322he 160 aa23.81481604.57he 160 a30.415216069he 160 b42.61601608.013he 160 c59.18he 160 m76.21801661423he 180 aa28.716718057.5he 180 a35.51711806.09.5he 180 b51.21801808.514he 180 c69.82719018311.519he 180 m88.920018614.524he 200 aa34.61862005.58he 200 a42.31902006.510he 200 b61.32002009.015he 200 c81.92102031220he 200 m1032202061525he 220 aa40.420522068.5he 220 a50.52102207.011he 220 b71.52202209.516he 220 c94.123022312.521he 220 m117.024022615.526he 240 aa47.42242406.59he 240 a60.32302407.512he 240 b83.22402401017he 240 c119.4662552441424.5he 240 m32he 260 aa54.12442606.59.5he 260 a68.22502607.512.5he 260 b93.026026010.017.5

为进一步巩固当前大气污染防治取得的显著成效，贯彻落实《唐山市空气质量综合指数“退后十”6-12月强化攻坚方案》和《唐山市钢铁行业企业环境问题专项治理方案》要求，持续推进空气质量改善，力保优良天数，结合夏季臭氧污染影响，实施氮氧化物和vocs协同减排，推进pm2.5和臭氧的同步改善，在确保安全的前提下，执行以下管控措施。

一、重点行业总量减排措施

（一）钢铁行业。除首钢迁钢、首钢京唐2家a级企业，河钢乐钢在建项目，关停的不锈钢、华西钢铁，即将关停的金马钢铁外，19家钢铁企业继续落实《唐山市钢铁行业企业环境问题专项治理方案》要求，执行总量减排30%措施。其中，未按期完成年度治理任务的鑫达钢铁、中厚板、九江线材等3家钢铁企业总量减排措施加严10%，直至完成全部治理任务。