英标型钢:一般情况,硬化层深度在.5~2mm时,宜选用1kHz以上的高频电源:硬化层深度在1.~4.nm时,宜选用8~3kHz电源;硬化层深度在4.mm以上,可选用1~2.5kHz电源。当零件面积或直径较大时,可选用较低的频率:反之,加热面积或直径较小的零件可选用较高的频率。(别着急,明天还有,看你是否真的都会了)球墨铸铁等温淬火目的是什么?等温温度及等温淬火后的组织是什么?目的:球墨铸铁奥氏体化后在贝氏体转变区进行等温进淬火的求获得良好的力学性能和小的畸变.等温温度:下贝氏体等温淬火的等温温度为26~3℃:上贝氏体等温淬火的等温温度为35-4℃。
![英标H型钢UB457*152厂家大全](http://static.11467.com/img/lazy.gif)
英标H型钢尺寸表:
UB英标H型钢 UB127*76*13 127*76*4*7.6S235/S275/S355 13
UB英标H型钢 UB152*89*16152.4*88.7*4.5*7.7 S235/S275/S355 16
UB英标H型钢 UB178*102*19177.8*101.2*4.8*7.9 S235/S275/S355 19
UB英标H型钢 UB203*102*23203.2*101.8*5.4*9.3 S235/S275/S355 23.1
UB英标H型钢 UB203*133*25203.2*133.2*5.7*6.8 S235/S275/S355 25
UB英标H型钢 UB203*133*30206.8*133.9*6.4*9.6 S235/S275/S355 30
UB英标H型钢 UB254*102*22254*101.6*5.7*6.8 S235/S275/S355 22
UB英标H型钢 UB254*102*25257.2*101.9*6*8.4 S235/S275/S355 25.2
UB英标H型钢 UB254*102*28260.4*102.2*6.3*10 S235/S275/S355 28.3
UB英标H型钢 UB254*146*31251.4*146.1*6*8.6 S235/S275/S355 31.1
UB英标H型钢 UB254*146*37256*146.4*6.3*10.9 S235/S275/S355 37
UB英标H型钢 UB254*146*43259.6*147.3*7.2*12.7 S235/S275/S355 43
UB英标H型钢 UB305*102*25305.1*101.6*5.8*7 S235/S275/S355 24.8
UB英标H型钢 UB305*102*28308.7*101.8*6*8.8 S235/S275/S355 28.2
UB英标H型钢 UB305*102*33312.7*102.4*6.6*10.8 S235/S275/S355 32.8
UB英标H型钢 UB305*127*37304.4*123.4*7.1*10.7 S235/S275/S355 37
UB英标H型钢 UB305*127*42307.2*124.3*8*12.1 S235/S275/S355 41.9
UB英标H型钢 UB305*127*48311*125.3*9*14 S235/S275/S355 48
UB英标H型钢 UB305*165*40303.4*165*6*10.2 S235/S275/S355 40.3
UB英标H型钢 UB305*165*46306.6*165.7*6.7*11.8 S235/S275/S355 46.1
UB英标H型钢 UB305*165*54310.4*166.9*7.9*13.7 S235/S275/S355 54
UB英标H型钢 UB356*127*33349*125.4*6*8.5 S235/S275/S355 33.1
UB英标H型钢 UB356*127*39353.4*126*6.6*10.7 S235/S275/S355 39.1
UB英标H型钢 UB356*171*45351.4*171.1*7*9.7 S235/S275/S355 45
UB英标H型钢 UB356*171*51355*171.5*7.4*11.5 S235/S275/S355 51
UB英标H型钢 UB356*171*57358*172.2*8.1*13 S235/S275/S355 57
UB英标H型钢 UB356*171*67363.4*173.2*9.1*15.7 S235/S275/S355 67.1
UB英标H型钢 UB406*140*39398*141.8*6.4*8.6 S235/S275/S355 39
UB英标H型钢 UB406*140*46403.2*142.2*6.8*11.2 S235/S275/S355 46
UB英标H型钢 UB406*178*54402.6*177.7*7.7*10.9 S235/S275/S355 54.1
UB英标H型钢 UB406*178*60406.4*177.9*7.9*12.8 S235/S275/S355 60.1
![英标H型钢UB457*152厂家大全](http://static.11467.com/img/lazy.gif)
英标H型钢规格表:
UB英标H型钢 UB406*178*67409.4*178.8*8.8*14.3 S235/S275/S355 67.1
UB英标H型钢 UB406*178*74412.8*179.5*9.5*16 S235/S275/S355 74.2
UB英标H型钢 UB457*152*52449.8*152.4*7.6*10.9 S235/S275/S355 52.3
UB英标H型钢 UB457*152*60454.6*152.9*8.1*13.3 S235/S275/S355 59.8
UB英标H型钢 UB457*152*67458*153.8*9*15 S235/S275/S355 67.2
UB英标H型钢 UB457*152*74462*154.4*9.6*17 S235/S275/S355 74.2
UB英标H型钢 UB457*152*82465.8*155.3*10.5*18.9S235/S275/S355 82.1
UB英标H型钢 UB457*191*67453.4*189.9*8.5*12.7 S235/S275/S355 67.1
UB英标H型钢 UB457*191*74457*190.4*9*14.5 S235/S275/S355 74.3
UB英标H型钢 UB457*191*82460*191.3*9.9*16 S235/S275/S355 82
UB英标H型钢 UB457*191*89463.4*191.9*10.5*17.7 S235/S275/S355 89
UB英标H型钢 UB457*198*98467.2*192.8*11.4*19.6 S235/S275/S355 98.3
UB英标H型钢 UB533*210*82528.3*208.8*9.6*13.2 S235/S275/S355 82.2
UB英标H型钢 UB533*210*92533.1*209.3*10.1*15.6 S235/S275/S355 92.1
UB英标H型钢 UB533*210*101536.7*210*10.8*17.4 S235/S275/S355 101
UB英标H型钢 UB533*210*109539.5*210.8*11.6*18.8 S235/S275/S355 109
UB英标H型钢 UB533*210*122544.5*211.9*12.7*21.3 S235/S275/S355 122
UB英标H型钢 UB610*229*101602.6*227.6*10.5*14.8 S235/S275/S355 101.2
UB英标H型钢 UB610*229*113607.6*228.2*11.1*17.3 S235/S275/S355 113
UB英标H型钢 UB610*229*125612.2*229*11.9*19.6 S235/S275/S355 125.1
UB英标H型钢 UB610*229*140617.2*230.2*13.1*22.1 S235/S275/S355 139.9
UB英标H型钢 UB610*305*149612.4*304.8*11.8*19.7 S235/S275/S355 149.1
UB英标H型钢 UB610*305*179620.2*307.1*14.1*23.6 S235/S275/S355 179
UB英标H型钢 UB610*305*238635.8*311.4*18.4*31.4 S235/S275/S355 238.1
UB英标H型钢 UB686*254*125677.9*253*11.7*16.2 S235/S275/S355 125.2
UB英标H型钢 UB686*254*140683.5*253.7*12.4 S235/S275/S355 140.1
UB英标H型钢 UB686*254*152687.5*254.5*13.2*21 S235/S275/S355 152.4
UB英标H型钢 UB686*254*170692.9*255.8*14.5*23.7 S235/S275/S355 170.2
UB英标H型钢 UB762*267*147754*265.2*12.8*17.5 S235/S275/S355 146.9
UB英标H型钢 UB762*267*173762.2*266.7*14.3*21.6 S235/S275/S355 173
UB英标H型钢 UB762*267*197769.8*268*15.6*25.4 S235/S275/S355 196.8
UB英标H型钢 UB838*292*176834.9*291.7*14*18.8 S235/S275/S355 175.9
UB英标H型钢 UB838*292*194840.7*292.4*14.7*21.7 S235/S275/S355 193.8
UB英标H型钢 UB838*292*226850.9*293.8*16.1*26.8 S235/S275/S355 226.5
UB英标H型钢 UB914*305*201903*303.3*15.1*20.2 S235/S275/S355 200.9
UB英标H型钢 UB914*305*224910.4*304.1*15.9*23.9 S235/S275/S355 224.2
UB英标H型钢 UB914*305*253918.4*305.5*17.3*27.9 S235/S275/S355 253.4
UB英标H型钢 UB914*305*289926.6*307.7*19.5*32 S235/S275/S355 289.1
UB英标H型钢 UB914*419*343911.8*418.5*19.4*32 S235/S275/S355 343.3
UB英标H型钢 UB914*419*388921*420.5*21.4*36.6 S235/S275/S355 388
UB英标H型钢 UB1016*305*222970.3*300*16*21.1 S235/S275/S355 222
UB英标H型钢 UB1016*305*249980*300*16.5*26 S235/S275/S355 249
![英标H型钢UB457*152厂家大全](http://static.11467.com/img/lazy.gif)
英标型材:
为了降低钛还原带来的弊端,在保证充沛的渣铁热量前提下,降低生铁含[Si]0.25~0.40%(原0.35~0.50%),限度地降低生铁含[Ti],保持良好渣铁流动性。5阶段性减轻焦炭负荷外围原燃料条件变化大时,超出高炉的承受能力,压量关系转紧,压差超过175kPa,出现频繁减风,炉体各部温度频繁大幅度波动,炉体热负荷居高不下,减轻焦炭负荷,减少焦炭200kg~500kg/批,改善料柱透气性,维持炉况稳定顺行,避免出现炉况失常。
![英标H型钢UB457*152厂家大全](http://static.11467.com/img/lazy.gif)