| 鐗岃櫉 | 20CrA鍐疯粙鍚堥噾閶兼澘 |
| 灏嶆噳(y墨ng)妯�(bi膩o)婧�(zh菙n) |
GJB 2151-1994 鑸┖鐢ㄥ悎閲戠祼(ji茅)妲�(g貌u)閶煎喎杌嬮嫾鏉胯(gu墨)鑼� Specification for cold-rolled alloy structure steel sheets for aerospace |
| 姝搁 | 鍚堥噾閶� |
| 妯�(bi膩o)绨� | 鍐疯粙鍚堥噾閶兼澘 |
| 瑾槑 |
鏈(bi膩o)婧�(zh菙n)閬╃敤鑼冨湇銆佸垎椤烇細 鈶� 鏈(bi膩o)婧�(zh菙n)閬╃敤浜庤埅绌哄伐妤�(y猫)鐢ㄥ帤搴︿笉澶т簬4mm鐨勫悎閲戠祼(ji茅)妲�(g貌u)閶煎喎杌嬮嫾鏉�銆� 鈶� 閶兼寜鍐堕噾璩�(zh矛)閲忓垎鐐洪珮绱氬劒(y艒u)璩�(zh矛)閶硷紙鐗岃櫉鍚庡姞鈥淎鈥濓級鍜岀壒绱氬劒(y艒u)璩�(zh矛)閶硷紙鐗岃櫉鍚庡姞鈥淓鈥濓級銆� 鈶� 閶兼澘鎸夊姏瀛�(xu茅)鎬ц兘瑕佹眰鍒嗙偤3椤炪€傚悎鍚屼腑鏈敞鏄庨鍒ユ檪(sh铆)锛屾寜2椤炰氦璨�銆� 路 1椤�-瑕�(gu墨)瀹氫氦璨ㄧ媭鎱�(t脿i)纭害鍊煎拰瑭︽ǎ娣伀鍥炵伀鐙€鎱�(t脿i)鍔涘(xu茅)鎬ц兘锛� 路 2椤�-瑕�(gu墨)瀹氫氦璨ㄧ媭鎱�(t脿i)鎷変几鎬ц兘锛� 路 3椤�-瑕�(gu墨)瀹氫氦璨ㄧ媭鎱�(t脿i)纭害鍊�銆� 鈶� 鎸夋矕澹撶礆鍒ュ垎鐐烘繁娌栧绱欴Q鍜屾櫘閫氭矕澹撶礆CQ銆傛矕澹撶敤閶煎強瑕佹眰鐨勭礆鍒ユ噳(y墨ng)鍦ㄥ悎鍚屼腑娉ㄦ槑銆� |
| 鎴愬垎 | C | Si | Mn | P | S | Cr | Ni | Cu |
|---|---|---|---|---|---|---|---|---|
| 鏈€灏忓€� | 0.18 | 0.17 | 0.5 | - | - | 0.7 | - | - |
| 鏈€澶у€� | 0.24 | 0.37 | 0.8 | 0.025 | 0.025 | 1 | 0.3 | 0.25 |
| 鏉愭枡褰㈠紡 |
鐔辫檿鐞嗘垨鐙€鎱�(t脿i) |
鎶楁媺寮�(qi谩ng)搴� 蟽b Mpa |
鏂峰悗浼搁暦鐜囨垨寤朵几鐜� 未 % |
|---|---|---|---|
| 鍐疯粙閶兼澘 | 浜よ波鐙€鎱�(t脿i) | 390~590 | 鈮�18 |
