鍗庡矏鐑晙閿屾棤緙濋挗綆℃姉鎷夊己搴?/h1>
銆�銆�鍗庡矏鐑晙閿屾棤緙濋挗綆?/a>鎶楁媺寮哄害瑙ｆ瀽
銆�銆�(鍩轟簬鏉愭枡鏍囧噯銆佺敓浜у伐鑹哄強瀹為檯媯�嫻嬫暟鎹?
銆�銆�涓�銆佹姉鎷夊己搴︽牳蹇冩寚鏍?/span>
銆�銆�鍗庡矏鐑晙閿屾棤緙濋挗綆?/a>鐨勬姉鎷夊己搴︿富瑕佸彇鍐充簬鍩虹鏉愯川涓庣敓浜у伐鑹猴紝鍏跺吀鍨嬪弬鏁板涓嬶細
| 欏圭洰 | 鍗庡矏鏍囧噯鍊?/span> | 渚濇嵁鏍囧噯 | 鍏抽敭璇存槑 |
|---|---|---|---|
| 鍩虹鏉愯川 | 20#閽€�丵345B銆丵355B絳?/span> | GB/T 8163銆丟B/T 1591 | 20#閽負鏅�氱⒊绱犵粨鏋勯挗錛孮345B/Q355B涓轟綆鍚堥噾楂樺己搴﹂挗 |
| 鎶楁媺寮哄害錛圧m錛?/span> | 410-520 MPa錛?0#閽級 | GB/T 8163-2018 | 20#閽㈠眻鏈嶅己搴︹墺245 MPa錛屽歡浼哥巼鈮?4% |
| 470-630 MPa錛圦345B/Q355B錛?/span> | GB/T 1591-2018 | Q345B灞堟湇寮哄害鈮?45 MPa錛孮355B鈮?55 MPa | |
| 闀�閿屽伐鑹哄獎鍝?/span> | 鎶楁媺寮哄害闄嶄綆鈮?% | 浼佷笟鍐呮帶鏍囧噯 | 鐑晙閿屾俯搴︼紙450-460鈩冿級瀵瑰熀綆℃�ц兘褰卞搷鏋佸皬 |
銆�銆�浜屻�佷笉鍚屾潗璐ㄦ姉鎷夊己搴﹀姣?/span>
銆�銆�1. 20#閽?鏅�氱⒊绱犻挗)
銆�銆�鍏稿瀷鐢ㄩ�旓細浣庡帇嫻佷綋杈撻�?濡傛按銆佹皵)銆佷竴鑸粨鏋勪歡銆?/span>
銆�銆�鎶楁媺寮哄害鑼冨洿錛?10-520 MPa(瀹炴祴鍊奸�氬父鍦?50-480 MPa)銆?/span>
銆�銆�鐗圭偣錛?/span>
銆�銆�鎴愭湰浣庯紝鍔犲伐鎬ц兘濂斤紝浣嗗己搴︿綆浜庝綆鍚堥噾閽€�?/span>
銆�銆�閫傜敤浜庨潪楂樺簲鍔涚幆澧?濡傛櫘閫氬緩絳戞敮鏋躲�佺粰鎺掓按綆￠亾)銆?. Q345B/Q355B(浣庡悎閲戦珮寮哄害閽?
銆�銆�鍏稿瀷鐢ㄩ�旓細楂樺帇嫻佷綋杈撻�併�佹ˉ姊併�佹満姊板埗閫犮�?/span>
銆�銆�鎶楁媺寮哄害鑼冨洿錛?70-630 MPa(瀹炴祴鍊奸�氬父鍦?00-580 MPa)銆?/span>
銆�銆�鐗圭偣錛?/span>
銆�銆�灞堟湇寮哄害姣?0#閽㈤珮40%-50%錛岄�傚悎楂樿礋鑽峰満鏅�?/span>
銆�銆�鑰愪綆娓╁啿鍑繪�ц兘浼樺紓(Q355B鍦?20鈩冧笅鍐插嚮鍔熲墺34J)銆?/span>
銆�銆�涓夈�佸獎鍝嶆姉鎷夊己搴︾殑鍏抽敭鍥犵礌
銆�銆�1. 鍩虹鏉愯川
銆�銆�鍖栧鎴愬垎錛氱⒊(C)銆侀敯(Mn)銆佺(Si)鍚噺鐩存帴褰卞搷寮哄害銆?/span>
銆�銆�紺轟緥錛歈355B鐨凪n鍚噺(1.20%-1.60%)鏄捐憲楂樹簬20#閽?0.17%-0.37%)錛屾晠寮哄害鏇撮珮銆?. 鐑鐞嗗伐鑹?/span>
銆�銆�姝ｇ伀澶勭悊錛氬崕宀愭棤緙濋挗綆￠�氬父緇忔鐏?880-920鈩冧繚娓╁悗絀哄喎)錛岀粏鍖栨櫠綺掞紝鎻愬崌寮哄害涓庨煣鎬с�?/span>
銆�銆�闀�閿屾俯搴︼細鐑晙閿屾俯搴?450-460鈩?浣庝簬閽㈡潗鐩稿彉娓╁害錛屼笉鏀瑰彉鍩虹鍔涘鎬ц兘銆?. 澹佸帤涓庤鏍?/span>
銆�銆�鍘氬綆?濡傚鍘氣墺10mm)鎶楁媺寮哄害鐣ラ珮浜庤杽澹佺錛屽洜鍘氬綆″喎鍗撮�熷害鎱紝鏅剁矑鏇村潎鍖�銆?/span>
銆�銆�澶у彛寰勭(濡侱N鈮?00)鍥犺澗鍒跺伐鑹哄樊寮傦紝鎶楁媺寮哄害娉㈠姩鑼冨洿鍙兘鎵╁ぇ鑷陳?0 MPa銆?/span>
銆�銆�鍥涖�?a href="http://www.idumm3.cn/" title="鍗庡矏鐑晙閿屾棤緙濋挗綆? target="_blank" class="sitelink">鍗庡矏鐑晙閿屾棤緙濋挗綆?/a>鎶楁媺寮哄害媯�嫻嬫姤鍛婄ず渚?/span>
銆�銆�(絎笁鏂規嫻嬫満鏋勬暟鎹紝瑙勬牸錛欴N100脳4.5mm錛屾潗璐細Q345B)
| 媯�嫻嬮」鐩?/span> | 媯�嫻嬪�?/span> | 鏍囧噯瑕佹眰 | 鍒ゅ畾 |
|---|---|---|---|
| 鎶楁媺寮哄害錛圧m錛?/span> | 542 MPa | 鈮?70 MPa | 鍚堟牸 |
| 灞堟湇寮哄害錛圧eH錛?/span> | 385 MPa | 鈮?45 MPa | 鍚堟牸 |
| 鏂悗浼擱暱鐜囷紙A錛?/span> | 26% | 鈮?1% | 鍚堟牸 |
| 鍐插嚮鍔燂紙KV鈧傦紝-20鈩冿級 | 45 J | 鈮?4 J | 鍚堟牸 |
銆�銆�浜斻�佺敤鎴峰父瑙侀棶棰樿В絳?/span>
銆�銆�Q1錛氱儹闀�閿屽伐鑹烘槸鍚︿細闄嶄綆閽㈢鐨勬姉鎷夊己搴?
銆�銆�絳旀錛氫笉浼氭樉钁楅檷浣庛�?/span>
銆�銆�鐑晙閿屾俯搴?450-460鈩?榪滀綆浜庨挗鏉愮殑鐩稿彉娓╁害(Ac鈧冣増723鈩?錛屼粎褰卞搷琛ㄩ潰閿屽眰錛屼笉鏀瑰彉鍩虹鍐呴儴緇勭粐銆?/span>
銆�銆�鍗庡矏鍐呮帶鏍囧噯瑕佹眰闀�閿屽悗鎶楁媺寮哄害闄嶄綆鈮?%錛屽疄嫻嬫暟鎹�氬父鈮?%銆俀2錛氬浣曢�夋嫨鍚堥�傛姉鎷夊己搴︾殑閽㈢?
銆�銆�寤鴻錛?/span>
銆�銆�浣庡帇鍦烘櫙(濡傜粰鎺掓按)錛氶�?0#閽紝鎶楁媺寮哄害鈮?10 MPa鍗沖彲銆?/span>
銆�銆�楂樺帇/楂樿礋鑽峰満鏅?濡傜煶娌廣�佸寲宸?錛氶�塓345B/Q355B錛屾姉鎷夊己搴︹墺470 MPa銆?/span>
銆�銆�鏋佸瘨鐜(濡備笢鍖楀湴鍖?錛氫紭鍏堥�塓355B錛屼綆娓╁啿鍑繪�ц兘鏇翠紭銆俀3錛氬崕宀愭棤緙濋挗綆＄殑鎶楁媺寮哄害鏄惁浼樹簬鍏朵粬鍝佺墝?
銆�銆�瀵規瘮鍒嗘瀽錛?/span>
銆�銆�鍚屾潗璐ㄥ姣旓細鍗庡矏涓庡弸鍙戙�佹澶х瓑涓�綰垮搧鐗屾姉鎷夊己搴︾浉褰擄紝鍧囩鍚堝浗鏍囥�?/span>
銆�銆�浼樺娍鐐癸細鍗庡矏閲囩敤姝ｇ伀澶勭悊+鍦ㄧ嚎娑℃祦鎺激錛屽己搴﹀潎鍖�鎬ф洿濂?鏍囧噯宸墹15 MPa錛岃涓氬鉤鍧団墹20 MPa)銆?/span>
銆�銆�鍏�佹�葷粨涓庢帹鑽?/span>
銆�銆�鎶楁媺寮哄害鏍稿績緇撹錛?/span>
銆�銆�鍗庡矏鐑晙閿屾棤緙濋挗綆℃姉鎷夊己搴︾鍚堝浗鏍囷紝20#閽負410-520 MPa錛孮345B/Q355B涓?70-630 MPa銆?/span>
銆�銆�闀�閿屽伐鑹哄寮哄害褰卞搷鏋佸皬錛岀敤鎴峰彲鏀懼績閫夌敤銆傞�夊瀷寤鴻錛?/span>
銆�銆�鏅�氬伐紼嬶細閫?0#閽紝鎴愭湰浣庝笖婊¤凍闇�姹傘�?/span>
銆�銆�楂樿姹傚満鏅細閫塓345B/Q355B錛屽吋欏懼己搴︿笌闊ф�с�傞闄╂彁紺猴細
銆�銆�閬垮厤灝?0#閽㈢敤浜庨珮鍘?>10 MPa)鎴栦綆娓?<-20鈩?鐜銆?/span>
銆�銆�閲囪喘鏃惰姹傛彁渚涙潗璐ㄨ瘉鏄庝功涓庣涓夋柟媯�嫻嬫姤鍛婏紝紜繚寮哄害杈炬爣銆?/span>
銆�銆�緇撹錛氬崕宀愮儹闀�閿屾棤緙濋挗綆＄殑鎶楁媺寮哄害涓ユ牸閬靛驚鍥藉鏍囧噯錛屽茍閫氳繃浼樺寲鐢熶駭宸ヨ壓(濡傛鐏鐞?鎻愬崌鎬ц兘紼沖畾鎬с�傜敤鎴峰彲鏍規嵁宸ュ喌闇�姹傞�夋嫨鍚堥�傛潗璐紝騫跺叧娉ㄦ嫻嬫暟鎹互紜繚璐ㄩ噺銆傚闇�榪涗竴姝ヤ簡瑙ｄ駭鍝佹�ц兘鎴栬幏鍙栨妧鏈柟妗堬紝寤鴻鑱旂郴鍗庡矏鎺堟潈緇忛攢鍟嗘垨璁塊棶鍙嬪彂闆嗗洟瀹樼綉銆?/span>