The obtained results indicate that the microstructure, grain-size and inclusion level of said steel plates were normal, hardenedstructure induced from quench had not been found;
结果表明：对于碳含量有差异的钢板，其显微组织、晶粒度及夹杂物等级均属正常，焊缝中未发现淬硬组织；
3
The final structure obtained from tempering a fully hardened steel is called tempered martensite.