浜у??涓??

??澧ㄩ?搁??杞ц?
??澧ㄩ?搁????璐ㄧ???瑰????告??涓??冲ⅷ?????讹?瀹????ц川涓??????????风‖杞ц??镐技锛??跺己搴﹂?浜??????风‖杞ц???
??瀛︽???? wt.%
浠g?? GB/T 1504 | C | Si | Mn | Cr | Ni | Mo | Mg |
SG II | 2.9-3.6 | 0.8-2.5 | 0.4-1.2 | 0.2-0.6 | ?? | 0.2-0.6 | ??.04 |
SG IV | 2.9-3.6 | 0.8-2.5 | 0.4-1.2 | 0.2-0.6 | 0.5-1.0 | 0.2-0.8 | ??.04 |
SG V | 2.9-3.6 | 0.8-2.5 | 0.4-1.2 | 0.3-1.2 | 1.0-2.0 | 0.2-0.8 | ??.04 |
?ц?藉??搴???/strong>
浠g?? GB/T 1504 | 杈?韬?‖搴?/p> | ????寮哄害 | ??澶ц?? mm | ??澶у????t | ?ㄩ?? |
SG II | 40-55 | ??20 | ?1350 | 35 | 灏??????€??妫?绾挎????绐?甯﹂?㈢簿杞ф?烘?讹???涧???垮钩?磋涧??/p>
|
SG IV | 45-60 | ??20 | |||
SG V | 50-65 | ??20 |