40HAOGANGJIESHAO
CAILIAOMINGCHENG：40 HAOGANGTONGYISHUZIDAIHAO：U20402 BIAOZHUN：GB/T 699-1999
●TEXINGJIYINGYONGJULI：
QIANGDUJIAOGAO，KEQIEXUEXINGLIANGHAO，LENGBIANXINGNENGLIZHONGDENG，HANJIEXINGCHA，WUHUIHUOCUIXING，CUITOUXINGDI，YISHENGSHUICUILIEWEN，DUOZAIDIAOZHIHUOZHENGHUOTAISHIYONG，LIANGZHEZONGHEXINGNENGXIANGJIN，BIAOMIANCUIHUOHOUKEYONGYUZHIZAOCHENGSHOUJIAODAYINGLIJIAN。 SHIYUZHIZAOQUZHOUXINZHOU.CHUANDONGZHOU.HUOSAIGAN.LIANGAN.LIANLUN.CHILUNDENG，ZUOHANJIEJIANSHIXUXIANYURE.HANHOUHUANLENG。
HUAXUECHENGFEN
●HUAXUECHENGFEN： TAN C ：0.37-0.44
GUI Si：0.17-0.37
MENG Mn：0.50-0.80
GE Cr：≤0.25
NIE Ni：≤0.30 TONG Cu：≤0.25
LIXUEXINGNENG
●LIXUEXINGNENG：
KANGLAQIANGDU σb (MPa)：≥570
QUFUQIANGDU σs (MPa)：≥335
SHENZHANGLV δ5/(%)：≥19
DUANMIANSHOUSUOLV ψ/(%)：≥45
CHONGJIXISHOUGONG(Aku2/J)：≥47
GANGCAIJIAOHUOZHUANGTAIYINGDUHBS 10/3000 : WEIRECHULIGANG ≤217 TUIHUOGANG≤187
TUIJIANRECHULI/℃ ZHENGHUO 860 CUIHUO 840 HUIHUO 600
CHONGJIRENXINGZHI αkv (J/cm²)：≥58,
YINGDU ：WEIRECHULI,≤215HB;
DANXINGMOLIANG E(1000MPa)：≥213.5
SHIYANGCHICUN：SHIYANGMAOPICHICUN/mm ：25