718H鍦撴
鎴戝徃涓瓙閲戝爆渚涙噳(y墨ng)鎵圭櫦(f膩)鍚堥噾閶�銆佹ā鍏烽嫾銆侀珮閫熼嫾銆佸伐鍏烽嫾銆佸綀绨ч嫾銆佺祼(ji茅)妲�(g貌u)閶�銆佺⒊绱犻嫾銆侀綊杓嫾銆佽桓鎵块嫾銆侀嫾鏉裤€侀嫾妫�銆侀嫾甯�銆侀嫾绠�銆佸喎鎷夊湏妫�銆佺啽杌嬪湏閶笺€侀爯(y霉)纭澘鏉�銆佹矕瀛愭枡銆佸湏閶奸嫾鏉愭壒鐧�(f膩)銆�
鎴戝湅(gu贸)GB妯�(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)3Cr2NiMo锛涘痉鍦�(gu贸)DIN妯�(bi膩o)婧�(zh菙n)鏉愭枡閶艰櫉(h脿o)2738锛涚憺鍏镐竴鍕濈櫨ASSAB妯�(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)718锛涚編鍦�(gu贸)AISI/SAE妯�(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)P20鍎�(y艒u)鍖栵紱鏃ユ湰JS妯�(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)SNCM鍎�(y艒u)鍖�锛涘湅(gu贸)闅涙(bi膩o)婧�(zh菙n)绲勭箶ISO妯�(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)35CrMo2銆�
718H鐐虹湡绌虹啍鐓変箣閴�-閹�-閴悎閲戦嫾锛屽嚭寤�(ch菐ng)鍓嶇稉(j墨ng)閬�(gu貌)娣‖鍙婂洖鐏檿鐞嗭紝鍏峰倷涓嬪垪鍚勯爡(xi脿ng)鍎�(y艒u)榛�(di菐n)锛氱劇(w煤)娣鍜岀啽铏曠悊璁婂舰棰�(f膿ng)闅�(xi菐n)锛涚劇(w煤)闇€鐔辫檿鐞嗚不(f猫i)鐢紱绺煭妯″叿鍒朵綔鍛ㄦ湡锛涢檷浣庢ā鍏锋墍闇€鎴愭湰锛堜緥锛岀劇(w煤)闇€鍍戞璁婂舰锛�锛涙ā鍏锋槗浜庝慨姝o紱鍙柦浠ユ爱鍖栧強琛ㄩ潰纭寲铏曠悊锛屼互澧為€�(j矛n)妯″叿鐨勮〃闈㈢‖搴﹀強鑰愮(鎬�銆�
718H閶兼槸闋�(y霉)纭瀷閺¢潰闃查吀濉戞枡妯″叿閶�銆傝┎閶肩稉(j墨ng)闋�(y霉)纭寲铏曠悊锛� 鏉愯唱(zh矛)鍧囧嫽路娼斿噲搴﹂珮路 鍏锋湁妤典匠鐨勬媼鍏夋€ц兘鍙婂厜鍒昏姳鎬�銆傞倓鍏锋湁楂樼殑娣€忔€�锛� 鑹ソ鐨勯浕鍔犲伐鎬ц兘鍜岀毊绱嬪姞宸ユ€ц兘銆傞爯(y霉)纭嫾涓嶉爤娣伀涔熷彲鐢ㄤ簬妯¤啗锛屽嚫绶e彲鏂借鐏劙纭寲锛� 鍙皣纭害鎻愰珮鍒�52HRC銆�
718H鏄鑶犳ā鍏烽嫾鏉�,闋�(y霉)纭嚦33~38HRC.
鍖栧(xu茅)鎴愪唤:
鍏� 绱� |
C |
Si |
Mn |
Cr |
MO |
Ni |
鍚噺(%) |
0.33 |
0.3 |
1.4 |
2.0 |
0.2 |
0.9 |
涓昏鐢ㄩ€�
澶у瀷闀�(zh菐ng)澹藉懡濉戣啝娉ㄥ妯�锛屽瀹堕浕鍒跺搧锛岄浕鑵﹀娈肩瓑妯″叿锛涢珮琛ㄩ潰鍏夋綌搴︿箣濉戣啝鍒跺搧妯″叿锛涘惞濉戞ā锛涚敱浜庣‖搴﹂珮锛屽彲鐢ㄤ簬濉戣啝妯″叿涓箣婊戝锛涙垚褰㈠伐鍏�锛屽绺�-鍒跺嫊(d貌ng)妯★紙鐏f澘姗�(j墨)妯★級锛岋紙瑕栫敓鐢�(ch菐n)闇€瑕佸彲鏂藉姞鐏劙纭寲鎴栨爱鍖栬檿鐞嗭級锛涙(g貌u)閫犻浂浠跺強杌�銆�
鐔辫檿鐞�
閫€鐏�
鍦ㄤ繚璀�(h霉)鐙€鎱�(t脿i)涓嬶紝鍔犵啽鍒�700鈩�锛屽潎鐔卞悗鍦ㄧ垚涓互15鈩�/h鐨勯€熷害鍐峰嵒鑷�600鈩冿紝鐒跺悗绌哄喎銆�
鎳�(y墨ng)鍔涙秷闄�
缍�(j墨ng)绮楀姞宸ュ悗锛屽姞鐔辫嚦550鈩�锛屼繚婧�2灏忔檪(sh铆)锛岀珐鎱㈠喎鍗诲埌500鈩冿紝鐒跺悗绌哄喎銆�
鍥炵伀
娣伀鍓嶏紝蹇呴爤鍏呭垎閫€鐏�锛屼互娑堥櫎鍔犲伐鎳�(y墨ng)鍔�銆傚湪500~600鈩冮爯(y霉)鐔�2灏忔檪(sh铆)锛�850鈩冩番鐏韩搴︿笅淇濇韩30鍒嗛悩锛涜鍦ㄤ繚璀�(h霉)姘f皼涓姞鐔变繚婧�锛屼互閬垮厤鑴⒊鍜屾哀鍖�銆傜劧鍚庡湪娌逛腑鍐峰嵒锛屾垨300鈩冪瓑婧�4鍒嗛悩鍚庣┖鍐�銆傚喎鍗昏嚦50~70鈩冩檪(sh铆)锛屾噳(y墨ng)绔嬪嵆鍥炵伀锛屽洖鐏韩搴�銆佹檪(sh铆)闁撳強鍥炵伀鍚庣殑纭害瑕�(ji脿n)涓嬭〃銆�
婧害锛堚剝锛� |
鏅�(sh铆)闁擄紙h锛� |
纭害 |
180 |
2 |
52HRC |
200 |
2 |
51HRC |
300 |
2 |
48HRC |
400 |
2 |
41HRC |
500 |
2 |
34.5HRC |
600 |
2 |
28HRC |
650 |
2 |
27HRC |
鍙娇妯″叿琛ㄩ潰纭害鎻愰珮锛屼娇鑰愮(鎬ф彁楂�銆傛柟娉曠偤浣跨敤姘т箼鐐旂伀鐒帮紙棰�(f膿ng)鐓わ級鍦ㄦā鍏疯〃闈㈠姞鐔�锛岀劧鍚庡喎鍗荤‖鍖�锛岀‖搴﹀彲閬�(d谩)45~52HRC.
铏曠悊鏂规硶锛氶爯(y霉)鐔�150~200 HRC锛屼互闃叉鐮磋锛涚劧鍚庡湪妯″叿琛ㄥ堡閫g簩(x霉)鍔犵啽鑷�850~950鈩�(琛ㄩ潰鐐烘泛绱呰壊)锛屽啀浠ョ┖鍐�锛涘喎鍗昏嚦50~70鈩冩檪(sh铆)锛岀珛鍗冲湪180~200鈩冨洖鐏紝闃叉鐮旂(鏅�(sh铆)鐢�(ch菐n)鐢熻绱�銆�
婊茬⒊铏曠悊
婊茬⒊铏曠悊婧害850~940鈩冿紝鏅�(sh铆)闁撲緷鐢�(ch菐n)鍝侀渶姹傜殑娣卞害鑰岀⒑瀹�銆傚鏋滄徊纰虫韩搴﹁秴閬�(gu貌)880鈩�锛屾檪(sh铆)闁撹秴閬�(gu貌)2灏忔檪(sh铆)锛屽墖蹇呴爤閫�(j矛n)琛屾?锛涱垇骞氭仛顑憳锛撶焊M绻旀櫠绮掔窗(x矛)灏�銆傛徊纰冲畬鐣㈠悗锛屽湪鐖愪腑鍐峰嵒鑷�830鈩�锛屽潎鐔卞悗鍦ㄦ补涓番鐏紝鐒跺悗鍥炵伀锛屽洖鐏韩搴﹀鍒楄〃锛涘緸鑰屼娇琛ㄩ潰纭害鎻愰珮锛屽鍔犺€愮(鎬�銆傚鏋滃彧瑕佹眰楂樼‖搴﹁€屼笉瑕佹眰绲勭箶鏅剁矑绱�(x矛)灏�锛屽彲浠ュ湪880鈩冧互涓婄殑婊茬⒊婧害娣伀銆�
鍥炵伀婧害锛堚剝锛� |
鏅�(sh铆)闁擄紙h锛� |
纭害锛圚RC锛� |
180 |
2 |
60 |
200 |
2 |
59 |
300 |
2 |
55 |
姘寲铏曠悊
姘寲铏曠悊鍙緱鍒拌純纭殑琛ㄥ堡锛屽悓鏅�(sh铆)锛屾湁寰堝ソ鐨勮€愮(鎬у強鑵愯潟鎬�锛屽湪姘ㄦ埃涓爱鍖栬檿鐞嗗悗鐨勭‖搴﹀彲閬�(d谩)650HV銆�
姘寲婧害锛堚剝锛� |
鏅�(sh铆)闁擄紙h锛� |
娣卞害锛坢m锛� |
525 |
20 |
0.30 |
525 |
30 |
0.35 |
525 |
60 |
0.50 |
570鈩冧笅杌熸爱鍖栬檿鐞�锛岃兘寰楀埌鐨勮〃闈㈢‖搴︾偤700HV锛岀稉(j墨ng)閬�(gu貌)2灏忔檪(sh铆)铏曠悊锛岀‖鍖栧堡娣卞害鐐�0.01mm銆�
纭壔灞よ钃�,缍�(j墨ng)閬�(gu貌)瑕嗚搵纭壔灞ょ殑宸ュ叿锛屽繀闋堝湪180鈩冨洖鐏�4灏忔檪(sh铆)锛屼互閬垮厤姘剢銆�
鐮旂(
姝g⒑鐨勭爺纾ㄦ妧琛�(sh霉)鑳介伩鍏嶇櫦(f膩)鐢熻绱嬶紝澧炲姞妯″叿鐨勫=鍛�銆傜稉(j墨ng)閬�(gu貌)浣庢韩鍥炵伀鐨勬潗鏂�锛屽湪鐮旂(鏈熼枔锛岃绱嬫晱鎰熸€у緢寮�(qi谩ng)锛屾鏅�(sh铆)鐮傝吉蹇呴爤缍�(j墨ng)閬�(gu貌)淇暣锛岃純杌熶笖闁�(k膩i)鏀炬櫠绮掔殑鐮傝吉鎵嶉仼鍚�锛屽悓鏅�(sh铆)鍏呭垎鐨勬饯(r霉n)婊戝姂鍜岄仼鐣�(d膩ng)?sh霉)鑶盇鍛ㄩ€熷害涔熷緢閲嶈銆�
鎷嬪厜
718H鏈夎壇濂界殑鎷嬪厜鎬�锛岄€氬父鐢ㄦ哀鍖栭媮绮夊拰閴嗙煶鑶忔媼鍏�锛屾椹熷涓嬶細
1锛� 瀹屾垚灏哄鍐嶉爯(y霉)鐣�0.05mm銆�
2锛� 鐢�45铏�(h脿o)鐨勯墕鐭宠啅鎷嬪厜锛屽緱鍒拌純涓嶅皷閵崇殑琛ㄩ潰銆�
3锛� 鐢�15铏�(h脿o)鐨勯墕鐭宠啅鍐嶆媼鍏�銆�
4锛� 鐢�3铏�(h脿o)鎴栫壒鍒ラ珮绱�(j铆)鐨勯墕鐭宠啅锛屽畬鎴愯〃闈㈡媼鍏�銆傛瘡涓€绋噾灞兘鏈夐仼鍚堢殑鎷嬪厜鏅�(sh铆)闁�锛岀敱鏉愭枡鐨勭‖搴﹀強鎷嬪厜鎶€琛�(sh霉)渚�(l谩i)姹哄畾锛岄亷(gu貌)闀�(zh菐ng)鐨勬媼鍏夋檪(sh铆)闁�锛屽皣鏈�(hu矛)鐢�(ch菐n)鐢熸ü(sh霉)鐨媭锛堟鐨媭锛夌殑琛ㄩ潰銆�
鍔涘(xu茅)鎬ц兘
(瑭︽ǎ纭害 340HBW)
1) 婧害 20掳C/200掳C/400掳C, 鎶楁媺寮�(qi谩ng)搴�1100MPa/1050MP8/850MPa銆�
2) 婧害 20掳C/200掳C/400掳C, 姊濅欢灞堟湇寮�(qi谩ng)搴� 980MPa/925MPa/770MPa銆�
3) 婧害 20掳C/200掳C/400掳C, 鏂烽潰鏀剁府鐜�49%/51%/52%
4) 婧害 20掳C/200掳C/400掳C, 浼搁暦(zh菐ng)鐜� 13%/14%/16%
5) 婧害 20掳C/200掳C/400掳C,娌栨搳闊屽害 (鈮�) 20J/cm/32J/cm/42J/cm
鐗╃悊鎬ц兘
娣‖鍙婂洖鐏嚦340HB纭害鏅�(sh铆)锛屽湪瀹ゆ韩鍙婄◢楂樻韩搴︽檪(sh铆)鐨勭墿鐞嗘€ц唱(zh矛)
婧害 20 200 400
瀵嗗害:7.85g/cm3;
鐔辫啫鑴圭郴鏁�(sh霉) 20鈩冭捣1/鈩� -- 12.7*10-6 13.6*10-6
鐔卞偝灏�(d菐o)绯绘暩(sh霉) W/m鈩� 29.0 29.5 31.0
褰堟€х郴鏁�(sh霉) N/mm2 205,000 200,000 185,000
姣旂啽 J/kg鈩� 460 -- --
718H鐨勬姉鎷夊挤(qi谩ng)搴︼細
杩戜技鏁�(sh霉)鍊�銆傝│鐗囩敱鐩村緫25.4姣背鍦撻嫾鍙栨潗銆傜‖搴�340HB
娓�(c猫)瑭︽韩搴� 20鈩� 200鈩� 400鈩�
鎶楁媺寮�(qi谩ng)搴m
N/mm2 1100 1045 870
灞堟湇寮�(qi谩ng)搴p0.2
N/mm2 985 920 775
鏂烽潰鏀剁府鐜嘮
% 50 53 54
寤朵几鐜�
% 13 14 16
718H鐨勬矕鎿婂挤(qi谩ng)搴�
杩戜技鏁�(sh霉)鍊�銆傝│鐗囩敱鐩村緫25.4姣背鍦撻嫾鍙栨潗銆傜‖搴�340HB
娓�(c猫)瑭︽韩搴� 20鈩� 200鈩� 400鈩�
宸ヨ棟瑕�(gu墨)鑼�
杌熷寲閫€鐏�
閫€鐏韩搴� 710~740掳C, 淇濇韩鏅�(sh铆)闁撴寜姣� 25mm 澹佸帤1h纰哄畾. 淇濇韩鍚庨毃鐖愬喎鍗�銆�
鍘绘噳(y墨ng)鍔涜檿鐞�
鍔犵啽婧害 600掳C (閫€鐏媭鎱�(t脿i)), 550掳C (娣伀銆佸洖鐏媭鎱�(t脿i)), 淇濇韩鏅�(sh铆)闁撴寜姣� 50mm澹佸帤1h 纰哄畾, 淇濇韩鍚庨毃鐖愬喎鍗�銆�
[title2]娣伀
涓瓙閲戝爆鈥攟718H鏉愯唱(zh矛)鍠�, |鈥� 涓瓙閲戝爆718H閶兼潗,
涓瓙閲戝爆鈥攟718H鍚堥噾閶�, |鈥� 涓瓙閲戝爆718H鍍�(ji脿)鏍�,
涓瓙閲戝爆鈥攟718H浠g悊鍟�, |鈥� 涓瓙閲戝爆718H閶兼澘,
涓瓙閲戝爆鈥攟718H鎵圭櫦(f膩)鍟�, |鈥� 涓瓙閲戝爆718H鍦撴,
涓瓙閲戝爆鈥攟718H鐩撮姺(xi膩o)鍍�(ji脿), |鈥� 涓瓙閲戝爆718H妯″叿鏉愭枡,
涓瓙閲戝爆鈥攟718H鍎�(y艒u)鍕�(sh矛)鍦ㄥ摢閲�? |鈥� 涓瓙閲戝爆718H鐩撮姺(xi膩o),
涓瓙閲戝爆鈥攟718H鎵圭櫦(f膩)鍍�(ji脿), |鈥� 涓瓙閲戝爆718H鏄粈涔堟潗鏂�
涓瓙閲戝爆鈥攟718H閵�(xi膩o)鍞晢, |鈥斾腑姝愰噾灞�718H鏄粈涔堥嫾鏉�,
涓瓙閲戝爆鈥攟718H鍚堥噾鍦撻嫾, |鈥斾腑姝愰噾灞�718H绲�(ji茅)妲�(g貌u)閶奸綊杓嫾,
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