440A涓嶉姽閶兼鍍规牸
7Cr17灞珮閴婚Μ姘忛珨涓嶉姽閶硷紝姣�420鏈夎純楂樼殑娣伀纭害锛屽湪娣伀鍥炵伀鐙€鎱�(t脿i)涓嬪叿鏈夐珮寮峰害鍜岀‖搴�锛屽苟鏈変笉閵硅€愯潟鎬ц兘銆�
7Cr17灏嶆噳鐗岃櫉锛�
1銆佸湅妯橤B-T妯欐簴锛氭暩(sh霉)瀛楃墝铏燂細S41070銆佹柊鐗岃櫉锛�68Cr17銆佽垔鐗岃櫉锛�7Cr17,
2銆佺編妯欙細ASTMA妯欐簴锛歋44002锛孲AE妯欐簴锛氫竴锛孶NS妯欐簴锛�440A锛�
3銆佹棩妯橨IS妯欐簴锛歋US440A锛�
4銆佸痉妯橠IN妯欐簴锛�1.4109,
5銆佹瓙妯橢N妯欐簴锛歑70CRN 015銆�
7Cr17鍖栧鎴愬垎锛�
鈶寸⒊C锛� 0.60~0.75锛�
鈶电Si锛氣墹1.00锛�
鈶堕尦Mn锛氣墹1.00锛�
鈶风7P锛氣墹0.040锛�
鈶哥~S锛氣墹0.030锛�
鈶归壔Cr锛�16.00~18.00锛�
鈶洪幊Ni锛氬厖瑷卞姞鈮�0.60锛�
鈶婚壃Mo锛氬厖瑷卞姞鈮�0.75锛�
7Cr17鐗╃悊鎬ц兘锛�
鈶犲瘑搴﹀瘑搴�(20鈩�)/kg/dm3:7.78,
鈶$啍榛�/鈩�:1371~1508 ,
鈶㈡瘮鐔卞(0~100鈩�)/kg/(kg.k):0.16,
鈶g啽灏庣巼/w/(m.k)100鈩�-:21.2,
鈶ョ窔鑴圭郴鏁�(sh霉)/(10-6/k)0~100鈩�:10.2,
鈶︾窔鑴圭郴鏁�(sh霉)/(10-6/k)0~600鈩�:11.7,
鈶ч浕闃荤巼锛�20鈩冿級/锛埼�.mm2/m):0.6,
鈶ㄧ副鍚戝綀鎬фā閲忥紙20鈩冿級/GPa:200锛�
鈶╃鎬�:鏈�銆�
7Cr17鍔涘鎬ц兘:
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鈶垫姉鎷夊挤搴︼紙RM/MPa锛夛細590锛�
鈶跺欢浼稿挤搴︼紙Rp0.2/MPa锛夛細245锛�
鈶蜂几闀风巼A/%锛�15锛�
7Cr17鐔辫檿鐞嗭細
鈶犵‖搴BW鈮わ細閫€鐏�255锛岀‖搴RB鈮わ細娣伀鍥炵伀54HRC锛�
鈶″姞鐔辨韩搴︼細800~920锛�
鈶㈠姞鐔辨柟寮忥細绶╁喎銆�
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