15HAOGANGYOUZHITANSUJIEGOUGANGDES，PZAZHIHANLIANGBIPUTONGTANSUJIEGOUGANGYAODIXIE，YIBANZAI0.035%(ZHILIANGFENSHU)YIXIA。ANTANHANLIANGYOUDIDAOGAOKEFENWEIDITANGANG，ZHONGTANGANGHEGAOTANGANG;ANMENGHANLIANGBUTONGKEFENWEIPUTONGHANMENGLIANGHEJIAOGAOHANMENGLIANGLIANGLEI。ZHEILEIGANGCHANLIANGJIAODA，YONGTUJIAOGUANG，DUOYAZHI(HUODUANZAO)CHENGYUAN、FANG、BIANPINGCHANPIN，YOUDEZHICHENGGUANCAIHESICAI。YIBANJINGZHENGHUOHUO DIAOZHIDENGRECHULIHOUSHIYONG，DUOYONGYUJIXIEHUOJIQIJIEGOUJIAN。
15HAOGANGSHIYIZHONGDITANGANGCAILIAO，TADEYANZHANXING、KESUXINGDOUSHIBIJIAOHAODE，YOUYUTADEHANTANLIANGDI(ZAI0.12-0.18%ZHIJIAN)SUOYI，YINGDUBIJIAODI。LINGWAI，YOUYU15HAOGANGDEHANTANLIANGDI，DUIZHEIYANGDECAILIAOZHICHENGDELINGJIANZAIJINXINGRECHULITIGAOQIYINGDUBIJIAOKUNNAN。XUYAOJIAREDAO1100℃YISHANG，YIBANDEBEIYANYULUSHIBUNENGCHULIDE，XUYAOYONGGAOWENXIAOSUANYANYULULAIJIARE。
GAISHU
15HAOGANGQISUXING、RENXINGGAO，DANQIANGDU、YINGDUJIAODI，DUANZAO、HANJIEHELENGCHONGYAXINGNENGLIANGHAO，LENGBIANXINGSUXINGGAO，DANQIEXUEJIAGONGSHIBUYIDEDAOGUANGJIEDEBIAOMIAN。YONGYUZHIZAOSHOULIBUDA、RENXINGYAOQIUGAODELINGJIANHESHENTANJIAN，JINGUJIANHECHONGMODUANJIANYIJIBUJINGRECHULIDEDIFUHELINGJIAN。
YONGTU
15HAOGANGYONGTU:ZHIZUOSHENTANLINGJIAN、JINGUJIAN、CHONGDUANMOJIANJIBUXURECHULIDEDIFUHELINGJIAN，RULUOSHUAN、LUODING、LATIAO、FALANPANJIHUAGONGYONGZHUQI、ZHENGQIGUOLUDENG
HUAXUECHENGFEN
C :0.12～0.19
Mn :0.35～0.65
P :≤0.035
S :≤0.035
Cr :≤0.25
Ni :≤0.25
Cu :≤0.25
Si :0.17～0.37
LIXUEXINGNENG
KANGLAQIANGDU σb (MPa)：≥375 QUFUQIANGDU σs (MPa)：≥225
SHENZHANGLV δ5/(%)：≥27
DUANMIANSHOUSUOLV ψ/(%)：≥55
GANGCAIJIAOHUOZHUANGTAIYINGDUHBS 10/3000 BUDAYU : WEIRECHULIGANG 143
QUBIE20
LIANGZHONGGANGCAIDOUSHUYUDITANGANG。CONGSHUJUSHANGLAIKAN，20HAOGANGHANTANLIANGSHAOGAOYIXIE，LIANGZHEDEJINXIANGZUZHIDOUSHIZHUGUANGTI+TIESUTI。FANYINGDAOXINGNENGSHANGDEBIAOXIANJIUSHI20HAOGANGDEKANGLAQIANGDUHECHONGJIRENXINGSHAOGAOYIXIE，JIBENSHANGLIANGZHONGGANGCAIMEIYOUDADEQUBIE。LIANGZHONGGANGCAIDOUCUIBUSHANGHUO，RECHULIGONGYIBIJIAOJIANDAN，TONGCHANGSHIMAOPIZHIJIEQIEXUEJIAGONGHUODUANZAOZHENGHUO，YONGYUBUZHONGYAODEJIEGOULINGJIAN，LIANJIEJIANHUOCHONGYAJIAN，HUOYONGZUOSHENTANGANGSHIYONG。SHIMIANSHANGHAOXIANGMEIFAXIANYOU15HAOGANG，KEYIYI20HAOGANGTIDAI。