冷镦钢线材： 钢号化学成分成分CSiMnPSAlCrMoBSWRCH6A≤0.08≤0.10≤0.60≤0.030≤0.035≥0.02   SWRCH8A≤0.10≤0.10≤0.60≤0.030≤0.035≥0.02   SWRCH10A0.08~0.13≤0.100.30~0.60≤0.030≤0.035≥0.02   SWRCH15A0.13~0.18≤0.100.30~0.60≤0.030≤0.035≥0.02   SWRCH18A0.15~0.20≤0.100.60~0.90≤0.030≤0.035≥0.02   SWRCH20A0.18~0.23≤0.100.30~0.60≤0.030≤0.035≥0.02   SWRCH22A0.18~0.23≤0.100.70~1.00≤0.030≤0.035≥0.02   SWRCH35K0.32~0.380.10~0.350.60~0.90≤0.030≤0.035    SWRCH45K0.42~0.480.10~0.350.60~0.90≤0.030≤0.035    ML350.32~0.39≤0.200.30~0.60≤0.035≤0.035    ML08AL0.05~0.10≤0.100.30~0.60≤0.035≤0.035≥0.02   SCM4350.33~0.380.15~0.350.60~0.85≤0.030≤0.030 0.90~1.200.15~0.30 SCM4400.38~0.430.15~0.350.60~0.85≤0.030≤0.030 0.90~1.200.15~0.30 ML40Cr0.38~0.45≤0.300.60~0.90≤0.035≤0.035 0.90~1.20  ML35CrMo0.32~0.40≤0.300.60~0.90≤0.035≤0.035 0.80~1.100.15~0.25 10B210.18~0.23≤0.100.70~1.00≤0.030≤0.035   ≥0.000510B330.32~0.360.15~0.350.70~1.00≤0.030≤0.035   ≥0.0005ML20MnTiB0.19~0.24≤0.301.30~1.60≤0.035≤0.035≥0.02Ti：0.04~0.10 0.0005~0.0035  脱碳层标准： 规格范围碳素钢合金钢全脱碳DMF总脱碳DMT全脱碳DMF总脱碳DMT≤∮15mm≤0.02≤0.15≤0.02≤0.15＞∮15~∮25mm≤0.03≤0.20≤0.03≤0.20＞∮25~∮32mm≤0.04≤0.25≤0.04≤0.25  球化精线(SAIP/PASAIP)品质标准： ...机械性质材质抗拉强度Kgf/mm伸长率%断面收缩率%硬度HRB球化率%冷顶锻SWCH6A31~42≥10——≥801/3合格SWCH10A33~44≥10——≥801/3合格SWCH15A36~46≥10——≥801/3合格SWCH18A42~52≥10——≥801/3合格SWCH22A42~52≥10——≥801/3合格10B2143~52≥10≥65≤81≥801/3合格10B3346~56≥10≥60≤86≥801/3合格SCM43551~59≥10≥60≤89≥801/3合格SCM44052~60≥10≥60≤90≥801/3合格SWCH35K47~56≥10≥60≤86≥801/3合格SWCH38K49~57≥10≥60≤86≥801/3合格SWCH45K51~58≥10≥60≤88≥801/3合格ML40Cr51~61≥10≥60≤91≥801/3合格  球化母线(SAF)品质标准： ....机械性质材质抗拉强度Kgf/mm伸长率%断面收缩率%硬度HRB球化率%冷顶锻SWCH6A30~38≥20——≥80—SWCH10A31~41≥20——≥80—SWCH15A34~43≥20——≥80—SWCH18A35~45≥20——≥80—SWCH22A36~46≥20——≥80—10B2140~48≥18 ≤77≥80—SCM43548~54≥15 ≤80≥80—SCM44050~55≥14 ≤85≥80—SWCH35K42~51≥15 ≤78≥80—SWCH38K45~53≥15 ≤78≥80—SWCH45K47~55≥15 ≤82≥80—ML40Cr48~54≥15 ≤80≥80—  直抽线(HD)品质标准: ...机械性质材质抗拉强度Kgf/mm伸长率%断面收缩率%硬度HRB球化率%冷顶锻SWCH6A≤65—————SWCH10A≤65—————SWCH15A≤65—————SWCH18A≤65—————  线材包装： 制程线径mm卷重kg内径mm盘卷方向图示SAF2.00~5.80500以下390~47011-顺时针出线方向 2-逆时针出线方向 5.81~14.001000以下900~11501/214.01~32.001000以下900~11501SAIP2.00~5.80500以下450~50015.81~12.001000以下800~9501/212.01~16.001000以下800~10001/216.01~32.001000~20001000~12001        友情链接 聚亨集团金海集团宝钢集团鞍钢股份有限公司包钢集团