I-17-4 PH insimbi engenasici-ebizwa ngokuba yi-UNS S17400-yi-alloy ye-precipitation-hardening alloy ebhiyozelwa ngenxa yamandla ayo amangalisayo, ukuxhathisa ukubola, kunye nokuziqhelanisa nonyango lobushushu. Indibaniselwano eyodwa yokuqina koomatshini kunye nokuzinza kweekhemikhali kuyenza ibe yimathiriyeli yokuzikhethela kuwo onke amacandelo ayimfuneko afana ne-aerospace, izixhobo zonyango, ukusetyenzwa kweekhemikhali, kunye nobunjineli bokhuselo.
Xa ezinye iindlela zifuneka, izinto ezilinganayo ukuze17-4 PHzibandakanya amabakala afana ne-DIN 1.4542 kunye ne-AISI 630. Aba babambeli bahambisa iimpawu ezifanayo zokusebenza, okwenza ukuba bafanelekele uluhlu olubanzi lwezicelo zoshishino.
I-17-4PH iBanga leNsimbi eNgatyiwayo
| ASTM/AISI | I-DIN | I-JIS | GB |
| 17-4PH/630 | 1.4542 | SUS630 | 05Cr17Ni4Cu4Nb |
I-17-4PH Ukuqulunqwa kweMichiza yeNsimbi engenaStainless
| C | Mn | Si | P | S | Cr | Ni | Cu | Mo |
| 0.07 | 1.0 | 1.0 | 0.04 | 0.03 | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.50 |
• I-Chromium (15-17.5%): Ibonelela ngokumelana nomhlwa.
• I-Nickel (3-5%): Yongeza ukuqina.
• Ubhedu (3-5%): Ibalulekile ekwenzeni lukhuni kwemvula.
• Ikhabhoni (<0.07%): Igcina i-ductility kunye nokuqina.
I-17-4PH iiPropati zeNtsimbi eNgatyiwayo
| Izinto eziphathekayo | Imeko | I-Tensile(ksi) | Isivuno 0.2% offset(ksi) | Elongation | Ukuncitshiswa kweNdawo | Ukuqina kweBrinell | Ubunzima beRockwell |
| 17-4PH | H900 | 190 | 170 | 10% | 40% | 388-444 HB | 40-47 HRC |
| H925 | 170 | 155 | 10% | 44% | 375-429 HB | 38-45 HRC | |
| H1025 | 155 | 145 | 12% | 45% | 331-401 HB | 34-42 HRC | |
| H1075 | 145 | 125 | 13% | 45% | 311-375 HB | 31-38 HRC | |
| H1100 | 140 | 115 | 14% | 45% | 302-363 HB | 30-37 HRC | |
| H1150 | 135 | 105 | 16% | 50% | 277-352 HB | 28-37 HRC |
IiPropathi eziPhambili ze-17-4 PH yeNtsimbi eNgatyiwayo
I-1.Amandla akhethekileyo: Ihambisa amandla achukumisayo ukusuka kwi-1000 ukuya kwi-1400 MPa, okwenza kube yinto efanelekileyo kwizicelo zomthwalo ophezulu.
I-2.I-Superior Corrosion Resistance: Xa ithelekiswa ne-304 yensimbi engenasici, kodwa inika ukhuseleko olongezelelweyo ngokuchasene noxinzelelo-i-corrosion cracking kwiindawo ezinzima.
I-3.I-Flexible Heat Treatability: Iipropati ze-Mechanical zingalungiswa ngokuchanekileyo ngeenkqubo zokuqina kwemvula ezifana ne-H900, i-H1025, kunye ne-H1150.
4.Ukuqina okugqwesileyo: Igcina imfezeko yesakhiwo naphantsi kwamaqondo obushushu agqithisileyo kunye neemeko zenkonzo ezicela umngeni.
UNyango loBubushushu kunye nokuqina kwemvula
Yintoni eyahlula i-17-4 PH yensimbi engenasici ngamandla ayo amangalisayo okuqina kwemvula-inkqubo yonyango lobushushu ephakamisa kakhulu ukusebenza kwayo koomatshini. Ngokufudumeza i-alloy kumaqondo obushushu achanekileyo alandelwa kukwaluphala okulawulwayo, iimpawu zayo zinokulungiswa kakuhle.
• I-H900: Ibonelela ngemigangatho ephezulu yamandla.
• I-H1150: Inika ukuxhathisa okuphezulu kunye nokuqina okwandisiweyo.
Oku kuziqhelanisa kwenza ukuba iinjineli zilungelelanise iimpawu zemathiriyeli ukuhlangabezana neemfuno ezithile zoluhlu olubanzi lwezicelo zemizi-mveliso.
Usetyenziso lwe-17-4 PH yeNsimbi eNgatyiwayo
Iipropati eziphezulu ze-17-4 PH yensimbi engenasici yenza ukuba ilungele uluhlu olubanzi lwezicelo:
• I-aerospace: Isetyenziswa kwiindibano zesakhiwo, amacandelo einjini yomoya, kunye nezibophelelo ezisebenza ngokuphezulu.
• Indawo yezoNyango: Ilungele izixhobo zotyando ezichanekileyo kunye nezixhobo zokufakelwa ezomeleleyo.
• Ukusetyenzwa kweMichiza: Kusetyenzwa kwii-reactors kunye nezixhobo ezinyamezela utyhileko olumandla lwekhemikhali.
• I-Oli neGesi: Ixhaphakile kwiimpompo zeshafti, iivalvu, kunye namanye amacandelo aphantsi koxinzelelo oluphezulu kunye nemithombo yeendaba eyonakalisayo.
• Icandelo lezoKhuselo: liThenjwe ekwenzeni amacandelo aqinileyo kwihardware yodidi lomkhosi.
Ezi zicelo zigxininisa ukuthembeka kwayo kwiindawo ezicela umngeni apho zombini amandla kunye nokuphila ixesha elide kubalulekile.
Kutheni Khetha 17-4 PH Steel Steel?
I-17-4 PH insimbi engenasici iba sisisombululo esithandwayo xa izicelo zifuna:
• Amandla omatshini akhethekileyo okumelana nemithwalo enzima kunye noxinzelelo.
• Ukumelana nomhlwa okuthembekileyo kwiindawo ezinobundlongondlongo okanye ezifuna ngamandla.
• Ukhetho oluguquguqukayo lonyango lobushushu ukulungisa iimpawu zokusebenza kakuhle.
Ukuqina kwayo okungqiniweyo kunye nokuguquguquka kuyenza ibe lukhetho oluthembekileyo kuwo wonke amashishini afuna ukusebenza okuphezulu, izinto ezihlala ixesha elide.
Ukuqukumbela
Ukudibanisa amandla aphezulu, ukumelana nokugqwesa okugqwesileyo, kunye nokuguquguquka okumangalisayo, i-17-4 PH yensimbi engenasici lukhetho oluphezulu lwezicelo ezibaluleke kakhulu. Xa kuthelekiswa namabanga aqhelekileyo afana ne-304 kunye ne-316, iyazahlula ngokuthembeka okubalaseleyo phantsi kweemeko ezinzima. Ukufumaneka kwayo ngamaxabiso akhuphisanayo-ingakumbi kwiimarike ezifana ne-Indiya-iphucula ngakumbi isibheno sayo sokusetyenziswa kwemizi-mveliso eyahlukeneyo, ukuhambisa ukusebenza kunye nexabiso.
Ixesha lokuposa: May-07-2025