J757Ni 绗﹀悎 GB/T 5118 E7515-G
AWS A5.5 E11015-G
ISO 18275-B-E 76 15-G P
瑾�(shu艒)鏄庯細J757Ni鏄綆姘垑鍨嬭棩鐨殑浣庡悎閲戦珮寮�(qi谩ng)閶肩剨姊�,鐔旀暦閲戝爆鍏锋湁鑹ソ鐨勭稖鍚堝姏瀛�(xu茅)鎬ц兘锛屽挨鍏舵槸鍏锋湁杓冮珮鐨勪綆婧矕鎿婇煂鎬у拰鍎�(y艒u)鑹殑鎶楄鎬ц兘銆傞噰鐢ㄧ洿娴佸弽鎺�锛屽彲閫�(j矛n)琛屽叏浣嶇疆鐒婃帴銆�
鐢ㄩ€�锛氫富瑕佺敤浜庣浉鎳�(y墨ng)寮�(qi谩ng)搴︾礆(j铆)鍒ョ殑閶�锛屽14MnMoNbB鍜�WEL-TEN80绛夐嫾鐨勭剨鎺ョ祼(ji茅)妲�(g貌u)銆�
鐔旀暦閲戝爆鍖栧(xu茅)鎴愬垎锛�%锛�
|
C |
Mn |
Si |
S |
P |
Ni |
Mo |
Cr |
淇濊瓑鍊� |
鈮�0.10 |
鈮�1.00 |
鈮�0.60 |
鈮�0.03 |
鈮�0.03 |
2.00~ 2.60 |
0.40~ 0.70 |
鈮�0.20 |
渚嬪€� |
0.052 |
1.53 |
0.17 |
0.006 |
0.012 |
2.10 |
0.48 |
0.030 |
鐔旀暦閲戝爆鍔涘(xu茅)鎬ц兘锛�620鈩兠�1h锛�
瑭﹂(y脿n)闋�(xi脿ng)鐩� |
Rm (N/mm2) |
ReL/Rp0.2 (N/mm2) |
A (%) |
KV2(J) |
-40鈩� |
||||
淇濊瓑鍊� |
鈮�740 |
鈮�640 |
鈮�13 |
鈮�27 |
渚嬪€� |
790 |
680 |
22 |
60 |
鐔旀暦閲戝爆鎿�(ku貌)鏁f矮鍚噺锛�鈮�4.0ml/100g锛堢敇娌规硶锛�
X灏勭窔鎺㈠偡瑕佹眰锛�I绱�(j铆)
鐒婃帴浣嶇疆
鍙冭€冮浕娴侊紙DC+锛�
鐒婃鐩村緫锛�mm锛� |
f |
f |
f |
f |
鐒婃帴闆绘祦锛�A锛� |
60~90 |
80~130 |
140~180 |
180~240 |
娉ㄦ剰浜嬮爡(xi脿ng)锛�
1锛庣剨鍓嶇剨姊濋爤缍�(j墨ng)400鈩冪儤鐒�1h锛岄毃鐑橀毃鐢�銆�
2锛庣剨鍓嶅繀闋堝皪(du矛)鐒婁欢娓呴櫎閻甸姽銆佹补姹�銆佹按鍒嗙瓑闆滆唱(zh矛)銆�
3. 鐒婃帴鏅�(sh铆)蹇呴爤鐢ㄧ煭寮ф搷浣滐紝浠ョ獎閬撶剨鐐哄疁銆�