Faa'iidooyinka Ar'nash?
Jindalai Steel Steel Aro Sawirka Steel ee Murugada weyn oo yar oo loogu talagalay naqshadeeyayaasha iyo hawl wadeenada dhirta ee raadinaya inay kordhiyaan nolosha qaybaha muhiimka ah ee qaybaha muhiimka ah oo ay yareeyaan culeyska cutub kasta oo loo adeegsado adeegga. Faa'iidooyinka loo adeegsado taarikada birta u adkaysta ee loo yaqaan 'bir bir bir-u adkaysta'
Xargaha birta u adkaysta ayaa ah mid aad u cimri dheer oo u adkaysta, difaaca si fiican uga soo horjeedka xoqidda iyo xoqidda. Noocan birta ah waxay si fiican ugu shaqaysaa codsiyada adag, waxayna sidoo kale bixisaa iska caabin saameynta saameynta leh. Xiro saxan bir ah oo cakiran ayaa ugu dambayntii ka caawin doonta dheereynta nolosha codsiyadaada oo ay yareeyaan kharashaadkaaga mustaqbalka fog.
Faahfaahinta ar'
| Faahfaahinta | Ar400 / 400f | Ar450 / 450F | Ar450 / 500F |
| Adag (bhn) | 400 (360 daqiiqo.) | 450 (429 min) | 500 (450 min.) |
| Kaarboon (max) | 0.20 | 0.26 | 0.35 |
| Manganese (min) | 1.60 | 1.35 | 1.60 |
| Fosfooraska (ugu badnaan) | 0.030 | 0.025 | 0.030 |
| Sulfur (max) | 0.030 | 0.005 | 0.030 |
| Simidnimo | 0.55 | 0.55 | 0.55 |
| Kominium | 0.40 | 0.55 | 0.80 |
| Kale | Waxyaabo dheeraad ah oo ka kooban waxyaabo ayaa lagu dari karaa si loo wanaajiyo guryaha iska dhibanaha ah. | Waxyaabo dheeraad ah oo ka kooban waxyaabo ayaa lagu dari karaa si loo wanaajiyo guryaha iska dhibanaha ah. | Waxyaabo dheeraad ah oo ka kooban waxyaabo ayaa lagu dari karaa si loo wanaajiyo guryaha iska dhibanaha ah. |
| Xajmiga xajmiga | 3/16 "- 3" (ballaadhinta 72 "- 96" - 120 ") | 3/16 "- 3" (ballaadhinta 72 "- 96" - 120 ") | 1/4 "- 2 1/2" (ballac 72 "iyo 96") |
Guryaha Ar400 iyo Ar500 Taarikada Birta
Ar400 waa "Thlu-adag", baabi'inta u adkaysta, saxarada xirtaan. Xaddidan adag waa 360/440 BHN oo leh mid caan ah oo ah 400 bhn. Heerkulka adeegga waa 400 ° F. Badeecadan saxanka waxaa loogu talagalay in lagu isticmaalo codsiyada ay tahay isku-dheelitirka wanaagsan ee wax-u-dhigga, deganaashaha, adkeynta, canibaha adkaanta iyo isu-dhiska loo baahan yahay. Shels-ka qarsoon ee loo adkeysto ayaa sida caadiga ah lagu iibiyaa xadka adkaa ee ma aha kiimiko go'an. Kala duwanaansho yar oo ku saabsan kimistariga ayaa jiraya iyadoo ku xidhan in la soo saaro dhasha. Codsiyada waxaa ka mid noqon kara adeegsiga macdanta, baqdinta, maaraynta walxaha badan, bir-qaadka birta, iyo warshadaha saxarada. Xiro alaabooyin saxan ayaa loogu talagalay in loogu talagalay codsiyada xariiqda; Looguma talagalin inay u adeegsadaan qaab dhismeedka is-taageerida ama aaladaha kor u qaadista.
Ar500 waa "dhudhun", in la baabi'iyo, u adkaysiga u adkaysta, saxanka xirtaan. Xadhiga adag waa 470/540 bhn oo leh mid caan ah oo ah 500 BHN. Badeecadan saxanka waxaa loogu talagalay in lagu isticmaalo codsiyada ay ku jirto isku-dheelitirka wanaagsan ee saamaynta, canibaadda adag iyo isu-dhiska kala-goynta loo baahan yahay. Shels-ka qarsoon ee loo adkeysto ayaa sida caadiga ah lagu iibiyaa xadka adkaa ee ma aha kiimiko go'an. Kala duwanaansho yar oo ku jira kimistariga ayaa jiraya iyadoo kuxiran dhajinta Milkiilaha. Codsiyada waxaa ka mid noqon kara adeegsiga macdanta, baqdinta, maaraynta walxaha badan, bir-qaadka birta, iyo warshadaha saxarada. Xiro alaabooyin saxan ayaa loogu talagalay in loogu talagalay codsiyada xariiqda; Looguma talagalin inay u adeegsadaan qaab dhismeedka is-taageerida ama aaladaha kor u qaadista.
Ar400 vs ar450 vs vs ar500 + taarikada birta
Mills kala duwan ayaa laga yaabaa inay yeeshaan "cuntooyin kala duwan" oo loogu talagalay "art-ka kala duwan" ee loo yaqaan 'cryal', laakiin wax soo saaray ayaa la qaataa tijaabada adag - oo loo yaqaan Tijaabada Brinell - si loo go'aamiyo nooca uu ku dhaco. Imtixaanada Brinelll ayaa lagu sameeyay abbaaraha arjiyayaasha sida caadiga ah waxay la kulmaan ASTM E10 faahfaahinta imtixaanka aaladda.
Farqiga farsamada ee u dhexeeya Ar400, Ar450 iyo Ar500 waa lambarka ugu adag ee xunxun (BHN), kaas oo muujinaya heerka heerka ee dhibaatada.
Ar400: 360-440 BHN caadi ahaan
Ar450: 430-480 bhn caadi ahaan
Ar500: 460-544 bhn caadi ahaan
Arn00: 570-625 BHN caadiyan (aan yarayn, laakiin la heli karo)
