ÎÒÃDZ¸ÓÐÖÖÖÖ¸÷ÑùµÄºÏ½ð£¬£¬£¬°å²Ä£¬£¬£¬¸Ö´ø£¬£¬£¬Ô²¸Ö£¬£¬£¬ÎÞ·ì¹Ü£¬£¬£¬º¸²Ä²úÆ·£¬£¬£¬Ï߲ģ¬£¬£¬¶Í¼þºÍº¸½Ó²¿¼þ£¬£¬£¬¶¨ÖÆÐͲģ¬£¬£¬°å²ÄÐÎ×´ºÍ»ú¼Ó¹¤Áã¼þµÄȫϵÁУ¬£¬£¬È·±£¿£¿£¿ÉÒÔÖª×ãÄúÒªº¦µÄÏîÄ¿µÄÒªÇ󡣡£¡£
²úÆ·ÏêÇé
C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
0.15 | 0.50 | 1.00 | 0.040 | 0.015 | 14.0-17.0 | 72.0 | - | 0.50 |
ÆäËû | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb+Ta |
- | 0.35 | 0.50 | 6.0-10.0 | - | - | - | ≤1.00 |
θ/¡æ | 20 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
λ/£¨W/£¨m·¡æ£©£© | 12.85 | 13.94 | 15.15 | 16.62 | 18.71 | 20.72 | 22.40 | 24.49 | 27.0 | 29.51 | 31.60 |
θ/¡æ | 20¡«200 | 20¡«300 | 20¡«400 | 20¡«500 | 20¡«600 | 20¡«700 | 20¡«800 | 20¡«1000 |
α/10-6¡æ-1 | 12.35 | 12.75 | 13.10 | 13.55 | 14.50 | 15.15 | 15.70 | 16.20 |
θ/¡æ | 800 | 900 | 1000 |
Ñõ»¯ËÙÂÊ/(g/m2·h) | 0.01865 | 0.05724 | 0.13718 |
Æ·ÖÖ | θ/¡æ | ÀÉìÐÔÄÜ | HBS | ÍäÇúÊÔÑé | |||
σb/MPa | σP0.2/MPa | δ5/% | φ/% | ||||
°ô²Ä | 20 | ≥585 | ≥240 | ≥30 | - | 134¡«217 | - |
Ô²±ý¡¢»·Å÷»ò»·Ðμþ | 20 | ≥520 | ≥205 | ≥35 | - | ≥187 | - |
ÈÈÔþ°å | 20 | ≥550 | ≥240 | ≥35 | ≥40 | - | - |
900 | ≥95 | ≥45 | ≥40 | ≥50 | - | - | |
ÀäÔþ°å | 20 | ≥550 | ≥240 | ≥30 | - | - | ¢Ù |
900 | ≥90 | ≥40 | ≥60 | - | - | - | |
ÀäÔþ°å | 20 | ≥550 | ≥200 | ≥30 | - | - | ²âÊÔ |
´ø²Ä | 20 | ≥550 | ≥240 | ≥30 | - | - | ¢Ù |
Ë¿²Ä | 20 | ʵ²â | ʵ²â | ʵ²â | - | HV≤151 | À䶥¶Í¼°¸ñ |
²úÆ·ºñ¶È/mm | <0.25 | 0.25¡«1.30 | >1.30¡«4.00 |
ÍäÇúϵÊý | Ë«·½ÐÒé | 1 | 2 |