銆€銆€妯�(bi膩o)婧�(zh菙n)锛�GB/T 1222-1984
銆€銆€鈼�鐗规€у強閬╃敤鑼冨湇锛�
銆€銆€鐢变簬閹㈤壔閲╃殑浣滅敤锛屾閶兼湁鑹ソ鐨勫鏆栧拰楂樻韩鍔涘(xu茅)鎬ц兘鍜岄潪鍑￠珮鐨勬番閫忔€э紝鍥炵伀绌�(w臎n)瀹氭€т匠锛岀啽鍔犲伐鎬ц兘鑹ソ銆傚湪瑾�(di脿o)璩�(zh矛)鐙€鎱�(t脿i)涓嬩娇鐢紝鐢ㄤ綔宸ヤ綔婧害鈮� 500鈩�浠ヤ笅鐨勮€愮啽褰堢哀锛屽閸嬬垚涓诲畨鍏ㄩ枼褰堢哀銆佹苯杓(j墨)姹藉皝褰堢哀鐗囩瓑銆�[1]
銆€銆€鈼�鍖栧(xu茅)鎴愪唤锛�
銆€銆€纰� C 锛�0.26锝�0.34
銆€銆€纭� Si锛�0.17锝�0.37
銆€銆€閷� Mn锛�鈮�0.40
銆€銆€纭� S 锛�鈮�0.030
銆€銆€纾� P 锛�鈮�0.030
銆€銆€閴� Cr锛�2.00锝�2.50
銆€銆€閹� Ni锛�鈮�0.35
銆€銆€閵� Cu锛�鈮�0.25
銆€銆€閲� V 锛�0.50锝�0.80
銆€銆€閹� W 锛�4.0锝�4.5
銆€銆€鈼�鍔涘(xu茅)鎬ц兘锛�
銆€銆€鎶楁媺寮�(qi谩ng)搴� 蟽b (MPa)锛�鈮�1470(150)'
銆€銆€姊濅欢灞堟湇寮�(qi谩ng)搴� 蟽0.2 (MPa)锛�鈮�1323(135)
銆€銆€浼搁暦鐜� 未5 (锛�)锛�鈮�7
銆€銆€鏂烽潰鏀剁府鐜� 蠄 (锛�)锛�鈮�40
銆€銆€纭害 锛氱啽杌� 鐔辫檿鐞�,鈮�321HB;鍐锋媺 鐔辫檿鐞�,鈮�321HB
銆€銆€娉� 锛氶櫎鎶楁媺寮�(qi谩ng)搴﹀,鍏朵粬鎬ц兘鍙冩暩(sh霉)妾㈤(y脿n)绲�(ji茅)鏋滀緵鍙冭€�
銆€銆€瑭︽ǎ灏哄锛�,
銆€銆€鈼�鐔辫檿鐞嗚(gu墨)鑼冨強閲戠浉绲勭箶锛�
銆€銆€鐔辫檿鐞嗚(gu墨)鑼冿細娣伀1050锝�1100鈩�,娌瑰喎;鍥炵伀600鈩�卤50鈩�(闈炲嚒闇€瑕佹檪(sh铆),卤30鈩�)銆�
銆€銆€鈼�浜よ波鐙€鎱�(t脿i)锛氱啽杌嬮嫾鏉愪互鐔辫檿鐞嗘垨涓嶇啽铏曠悊鐙€鎱�(t脿i)浜よ波锛屽喎鎷夐嫾鏉愪互鐔辫檿鐞嗙媭鎱�(t脿i)浜よ波銆�
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