3HXH1000-372據(jù)我國核電設(shè)備主管道行業(yè)發(fā)展分析，核電主管道是核島內(nèi)連接反應(yīng)堆壓力容器、蒸汽發(fā)生器以及反應(yīng)堆冷卻劑泵的厚壁鋼管。上述3個(gè)部分通過主管道的連接形成一個(gè)閉合回路，在反應(yīng)堆冷卻泵的驅(qū)動(dòng)下，冷卻劑（高純水）在回路中流動(dòng)，帶出反應(yīng)堆壓力容器中核燃料裂變所產(chǎn)生熱量，并通過汽輪機(jī)發(fā)電機(jī)組將熱量轉(zhuǎn)化為電能。在壓水堆核電站的核島中，主管道是核島內(nèi)七大關(guān)鍵設(shè)備之一，堪稱核電站的主動(dòng)脈?，F(xiàn)對(duì)2015年我國核電設(shè)備主管道行業(yè)發(fā)展趨勢(shì)分析。
3HXH1000-372美國西屋公司推出的第3代核電技術(shù)AP1000主管道是AP1000核電機(jī)組中的關(guān)鍵部件之一，其成形制造工藝與第2代核電主管道有本質(zhì)區(qū)別。第2代、2代加的核電主管道設(shè)計(jì)壽命為40年，主要由鍛造或鑄造方法成形部件，再用焊接方法進(jìn)行連接。而AP1000主管道的設(shè)計(jì)使用壽命為60年，為了提高主管道使用性能及減少在役檢測(cè)成本，規(guī)定管身不能出現(xiàn)焊縫，需要采用整體鍛造成形，因此不能沿用傳統(tǒng)加工工藝方法。由于尺寸大，并且存在2個(gè)徑向呈45°的圓形接管嘴，屬于典型的異型鍛件，成形難度非常大，國外亦無成熟的制造技術(shù)可以借鑒。為了實(shí)現(xiàn)第3代核電技術(shù)的國產(chǎn)化，研究核電主管道的制造工藝是非常有必要的。
3HXH1000-372核電主管道在服役期限內(nèi)承受較高溫度、相當(dāng)高的壓力、較高流速的高純水腐蝕和高頻疲勞的作用，工作環(huán)境十分惡劣。因此選用的管道材料必須具有高強(qiáng)度、高韌性、良好的疲勞性能以及抗腐蝕性能等。根據(jù)壓水堆種類不同，主管道采用材料也不盡相同。
3HXH1000-372核電設(shè)備主管道前景預(yù)測(cè)報(bào)告顯示，第3代核電技術(shù)AP1000主管道指定材料為核級(jí)控氮不銹鋼316LN（00Cr17Ni3Mo2N），在316L的基礎(chǔ)上加入了適量的氮元素，既保持了316L的耐蝕性特點(diǎn)，又由于N的作用提高了強(qiáng)度和加工硬化傾向，而塑性、韌性又同時(shí)保持在較高水平。另外，氮的加入還進(jìn)一步改善了諸如耐點(diǎn)腐蝕、縫隙腐蝕和晶間腐蝕性能。
清華大學(xué)先進(jìn)成形制造教育部重點(diǎn)實(shí)驗(yàn)室研究人員提出的新型鐓擠成形接管嘴工藝與傳統(tǒng)的核電主管道制造工藝相比，具有如下優(yōu)勢(shì)：
?。?）材料利用率大大提高；
（2）由于機(jī)加工余量與火次的減少，單支主管道的制造時(shí)間將顯著縮短；
?。?）更有利于晶粒尺寸的控制，保證核電主管道的內(nèi)部質(zhì)量。少量的切削加工不會(huì)破壞擠壓過程中所形成的金屬流線，用鐓擠方法制造的核電主管道耐腐蝕性能將得到極大提升。
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3HXH1000-372 SLIDE BEARING FOR MOVING
3HXH1000-374 PALLET HOOK CYLINDER ATTA
3HXH1000-375 PALLET HOOK RACK
3HXH1000-376 RIGHT PALLET HOOK RACK
3HXH1000-377 SYNCHRONISATION SHAFT
3HXH1000-384 LINEAR STEERING BEARING
3HXH1000-385 LINEAR STEERING GUIDE
3HXH1000-389 VALVE
3HXH1000-402 CYLINDER POSITION SENSOR
3HXH1000-404 POWER CABLE
3HXH1000-406 CABLE
3HXH1000-407 ALUMINUN PROFILE
3HXH1000-410 BEARING SUPPORT
3HXH1000-415 CABLE PROTECTION
3HXH1000-432 ROLLER
3HXH1000-433 ACCELERATION ROLLER
3HXH1000-434 MAGNET VALVE
3HXH1000-435 CYLINDER
3HXH1000-449 REINFORCEMENT
3HXH1000-457 BEARING HOUSE
3HXH1000-469 WEDGE
3HXH1000-476 CYLINDER SUPPORT
3HXH1000-477 CYLINDER SUPPORT
3HXH1000-478 SKATE
3HXH1000-480 GEAR WHEEL
3HXH1000-516 AXIS HOLDER
3HXH1000-560 BUSHING
3HXH1000-561 ADJUSTABLE LOCK PART
3HXH1000-565 SPRING
3HXH1000-566 SHAFT
3HXH1000-57 BRACKET
3HXH1000-573 VACUUM MODULE
3HXH1000-574 VACUUM MODULE
3HXH1000-578 VACUUM MODULE
3HXH1000-583 SUCTION CUP
3HXH1000-584 SUCTION CUP
3HXH1000-585 SUCTION CUP
3HXH1000-59 GRIP FINGER
3HXH1000-603 MC CYL. SHAFT FRONT ATTACHMENT
3HXH1000-609 SPECIAL ASSEMBLY TOOL
3HXH1000-61 MOUNTING ROD FRONT
3HXH1000-63 MOUNTING ROD, BACK
3HXH1000-635 VACUUM CUP FILTER
3HXH1000-64 GRIPPERSHAFT
3HXH1000-681 PALLET SENSOR
3HXH1000-682 POWER CABEL
3HXH1000-703 SEARCH CYLINDER
3HXH1000-704 CYLINDER PALLETLIFT
3HXH1000-705 SENSOR PALLETLIFT
3HXH1000-706 SENSOR PALLET SERTCH
3HXH1000-717 VALVE HOUSE
3HXH1000-728 COUPLING SMALL HOOK
3HXH1000-729 CYLINDER SMALL HOOK
3HXH1000-730 NO RETRUN VALVE SMALL HOO
3HXH1000-749 Bus Cable
3HXH1000-78 DISTANCE
3HXH1000-79 CYLINDER
3HXH1114-2 BRACKET
3HXH1117-2 SEARCH CYLINDER BRACKET
3HXH1131-2 search cylinder bracket
3I 000011 FAN PAPST 4650N
3I 000048 CAP DROP 22UF/16V 20% 5MM
3I 001091 FUSE 2,5A T 5X20MM
3I 001149 O-RING 110X2
3I 001215 LAMP ZB2 BW-14 RED
3I 001216 LAMP ZB2 BW-15 YELLOW
3I 001217 LAMP ZB2 BW-13 GREEN
3I 001658 O-RING25X3,53
3I 001697 FUSE E7G 6A
3I 001978 FUSE 5X20MM 1,5A SLOW
3I 002383 MOTOR CONT.2 3TB40 17-OAMO
3I 002386 MOT.PROT.BR. 6-10A
3I 002428 MOTORPROT.BR. 1,6-2,5A 380V
3I 002462 CIRCLIP WRE 80
3I 002528 VALVE 341B34 90/8660 EX IS G5
3I 002537 ORING68X2,62 NITRILE 70SHORE
3I 002620 MARK TAG CAUTION
3I 002688 CABLE DUCT E 30 100X60
3I 002782 RELAY C4-A40X/24V DC
3I 002837 SOCKET S4-B (FOR I-2782)
3I 002937 ROLLERS 305802
3I 002938 ROLLER BEARING 20205K.C3
3I 002939 ADAPTER H205
3I 002940 BEARING NEEDLE
3I 002959 CIRCLIP I42 DIN472
3I 002986 BALL VALVES T13-400-E2AD
3I 002992 SWITCH 07-17502-21 PUSH
3I 003002 PRESSUREREGULATOR R06-200-RNED
3I 003003 PRESSURE GAUGE M6304
3I 003004 PRESSURE GAUGE M6310
3I 003030 BUFFER 2196.065-30
3I 003153 ELECTRICALLY COND. BAG 8" X10"
3I 003155 ELECTRICALLY COND. BAG 12" X16"
3I 003184 VENDOR YELLOW ZB2-BK185
3I 003190 BEARING WITH GEAR R-12124
3I 003280 WASHER BRFB 23 HB200 SS70 ELZN
3I 003352 SPRINGPIN,SLOTT8X30 DIN1481
3I 003381 BRAKE 2284 261-R
3I 003433 O-RING150X3
3I 003562 V-RING 20S
3I 003629 SIMMERING BA-12-28-7
3I 003661 O-RING
3I 003754 TR-5002 COMBO COVER I-0455
3I 003755 TUBULAR KNIT MATERIAL I-0443
3I 003795 NLO-RING96X3 70SHORE DIN 3771
3I 003882 KEY SWITCH CG4
3I 003934 ZIMMER RING17X9X4,5 B1
3I 003936 BALL BEAR.11X5X4 W 628/5-2Z
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FOXBORO CIRCUIT BOARD CARD B0132CS
NEW FOXBORO 870EC-TF34M-N
FOXBORO Electronic Transmitter Model 841GM-CI
FOXBORO P0911JT
FOXBORO 595-3096-01
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Foxboro Differential Pressure 843DP 4-20
FOXBORO PF-1010
FOXBORO A2045BV
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FOXBORO P0970EJ
FOXBORO 870EC-LB13A
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