今 价:怒江2117结构钢材料@产品说明
碳素结构钢 S09CK S10C S12C S15C S17C S20C S20CK S22C S25C S28C S30C C S45C S48C S50C S53C S55C S58C
合金结 SMn443 SMn43 SCr415 SCr4 SCM415 SCM41 SCM435 SCM4 SN15 SNC631 SNC815 SNC836 SNCM220 SNCM415 SNCM420 SNCM431 SNCM439 SNCM447 SNCM616 SNCM625 SNCM630 SNCM815 SACM645
保证淬透性结构钢
SMn420H SMn433H SMn438H SMn443H SMn20H SMn43 H SCM822H SN15H SNC631H SNC631H SNC815H SNCM220H SNCM420H
易
切削钢 SUN21 SUM22 SUM22L SUM23 SUM23L SUM24L SUM25 SUM31 SUM32 SUM41 SUM42 SUM43
冷镦钢 SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH48K SWRCH50K
簧钢和
轴承钢 SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 S50C-CSP S50C-CSP S55C-CSP S60C-CSP S65C-CSP S70C-CSP SK85C-CSP SK55C-CSP SUP10-CSP
针
铁矿法中亚铁的再氧化选用空气中的氧作氧化剂，其氧化反响方程为：在25℃温度下空气的标准氧化电位E＝1.22－.59pH。在pH＝4时，氧的标准电位为.984V，仅此Fe3＋∕Fe2＋电对的标准电位（.771V）高.213V。可是，因为在此刻Fe3＋已预复原成Fe2＋，此电对的实践电位E大为下降。当Fe3＋／Fe2＋＝1－4时，E降至.538V，然后氧化反响的电位进步到.316V。今 价:怒江2117结构钢材料@产品说明
