压力容器壁厚快速计算

(a)钢板许用应力值序号钢号钢板标准钢板使板厚用状态mm常温机械性能σbσskgf/ckgf/c㎡㎡38003800380038003800410041004100520050005000480050004800470052005400520051005000490056002400240024002300220025002400230035003300310029003200300028003600400038003700350033004200在下列低温度（℃）下的许用应力值，kgf/c㎡≤20100150200250300350400425450475500520540560注 碳素钢钢板GB 912-821A3F、AY3F热轧GB3274-82GB 912-822A3、AY3热轧GB3274-823A3RYB536-69420gGB713-72≤44.5～12≤44.5～166～16热轧或17～36正火38～606～16热轧或17～25正火26～60热轧6～1617～2627～3638～606～2021～3840～6066～1617～256～2021～3840～6011401140127012701270137013701370173016701670160016701600157017301800173017001670163018701140114012701270127013701370131017301670167016001670160015601730180017301700167016301870114011401270125012201370131012501730167016601560167015901500173018001730170016701630187011201120125011901160131012501190173016301530144015601470138017301800173017001670163018701040104011601090106012201190113015901500141013401440138013101630180017301700166015601870 -9501060100097011301090106014701380128012201310125011901500175016601630153014401810 - 8709709409101030100097013801280122011601250119011301410163015301500141013401690 - - 91088084097094091012701220116010901190113010601270150014101380128012201560 - -870840810870870870950950950950950950950950待定待定待定待定待定待定 - - 620620620620620620670670670670670670670670待定待定待定待定待定待定 - - 410410410410410410430430430430430430430430待定待定 - - - - - --- --- - - - - - - - - - - - - --- --- - - - - - - - - - - - - - - --- --- - - - - - - - - - - - - - - - --- --- - - - - - - - - - - - - - -11 低合金钢钢板16MnRYB536-695正火616Mngc15MnVRYB363-69YB536-69热轧热轧正火待定 -待定 -待定 -待定 -7815MnVgcYB363-69热轧6常温机械性能序钢号号15MnVNR9钢板标准钢板使板厚用状态mm正火11～2526～3840～5018MnMoNbRYB536-6910σbkgf/c㎡580056005400σskgf/c㎡4300420040004500420040003200300032003000330030002700在下列低温度（℃）下的许用应力值，kgf/c㎡≤20193018701800200019301900167016001500143015701330147010019301870180020001930190016701600150014301570133014701501930187018002000193019001670159015001430157013301440200193018701800200019301900 - - - - - -1340250193018701800200019301900 - - - - - -1250300184017801690200019301900 - - - - - -1130350172016601590200019301900 - - - - - -1060400159015301470200019301880 - - - - - -1000450待定待定待定180018001780 - - - - - -970475待定待定待定120012001200 - - - - - -950500 - - -520 - - -540560580 - - - - - - - - - - - - - - - - - - - - - - -注YB536-69正火加16～506000回火>50～805800>80～1155700待定待定 -待定待定 -待定待定 - - - - - - -690 - - - - - -450 - - - -1116MnDRGB3531-83正火6～2021～3850004800450043004700400044001209MnTiCuXtDRGB3531-83正火6～2627～401309Mn2VDR1406MnNbDR1516MoGB3531-83正火6～20 - - - - - -GB3531-83正火或6～16调质正火或6～20正火加回火

- - - 1515CrMo16正火或正火加21～604400回火正火加6～604500回火>60～1004400正火加6～604600回火>60～1004500正火加6～604800回火>60～1004700>100～15047002600280027002900280029002700250014701500147015301500160015701560147015001470153015001600153014401380150014401530150015301440138012801410134014401410147014101340119013401280138013401440138013101060125011901280125013801310125010001190113012201190128012201160940113010601160113012201160109091010601030109010601160109010308901050102010801050113010601000690990990990990930930930450670670670670730730730 - - -450290 - 450290 -450290 - 450290 -540400300540400300540400300321714Cr1Mo1812Cr2Mol在下列低温度（℃）下的许用应力值，kgf/c㎡序号钢号≤20100150200250300350400425450475500525550575600625650675700注 高合金钢钢板 4190Cr13200Cr18Ni91310133013301330133013301330119013301100133011301330113014001200140012001200100012001000120010301160133010001330100013301000140011001400110012009001200900120093011301260930126093012609301350100013501000112083011208301170870113011708701170870117087012609301260930104077010407701080800109010808001080800108080012209001220900990730990730104077010601040770104077010407701170870117087099073095070099073010309907301040770104077011208301120830950700900670950700待定9707201010750101075011108201110820920680880650950700待定95070099073099073010808001080800 - - 850630950700待定93069090073099073010808001080800 - - - - - -待定90067099073099073010808001080800 - - - - - - -88065099073099073010507801050780 - - - - - - -85063084073092073010407701040770 - - - - - - -800620610610760700970750970750 - - - - - - -650600470470600600830730830730 - - - - - - -530530340340470470660660660660 - - - - - - - - -5430340270430340270250190130250190130380290230380290230520400300520400300520400300520400300 - - -210Cr18Ni9Ti5221Cr18Ni9Ti51400230Cr18Ni12Mo2T14001400240Cr18Ni12Mo3T14002500Cr18Ni1012001200555 - - - - - - - - - - - - - - -5512002600Cr17Ni14Mo2120012002700Cr17Ni14Mo31200注：中间温度的许用应力值，可按本表的应力值用内插法求得。 1.所列许用应力值，已乘了质量系数0.90.2.系1.25Cr-0.5Mo钢（Cr1.00～1.50％，MO0.45～0.65％).3.系2.25Cr-1Mo钢（Cr2.00～2.50％,Mo0.90～1.10％).4.薄板标准GB3280-82,板厚≤4mm，厚板标准GB3281-82,板厚>4～25mm。5.许用应力值仅适用于允许产生微量永久变形之元件，对于法兰或其它有微量永久变形就引起泄漏或故障的场合不能采用。