Nei Gwaro Iri Riripo (Uye Nei Uchifanira Kutarisira)
Kana wakambotenga poto yeslag, unoziva chibooreso: vatengesi vanokutumira mutengo une giredhi rezvinhu, pamwe pepa redata repeji rimwe chete, uye vimbiso yekuti "iri ndiro giredhi rakanakisa rechoto chako." Asi kana poto yatsemuka mushure memwedzi gumi nemisere, mutengesi mumwe chete anoti, "mamiriro ako ekushanda akanyanya kuoma."
Takanyora gwaro iri nekuti tinoona kuvhiringidzika zuva nezuva. Vatariri vemigodhi vanotibvunza kuti:
● Musiyano wechokwadi uripo pakati peZG270-500 neGS-20Mn5 ndeupi?
● Sei ASTM A27 60-30 isingadhuri asi ine simba shoma rekugadzira?
● Ndingashandisa zvinhu zvakafanana here pahari dzeEAF neBOF dzeslag?
Gwaro iri rinokupa mhinduro dzakananga - hapana zvinhu zvisina basa zvekushambadzira, hapana hurongwa hwakavanzika. Tichaenzanisa zvinhu zvitatu zvinonyanya kushandiswa muhari yeslag zvakananga, tokuudza kuti chimwe nechimwe chinoshanda zvakanaka papi, uye kuti chinokundikana papi.
*Chiziviso: Izvi zvakavakirwa paruzivo rweWomic Steel rwemakore anopfuura makumi maviri rwekugadzira zvinhu uye mhinduro kubva kumafekitori esimbi anopfuura mazana maviri pasi rose. Mamiriro ekushanda kwako anogona kusiyana.*
Vakwikwidzi Vatatu - Pfupiso
| Giredhi | Zvakajairika | Kushandiswa Kwakajairika Muhari Dzetsvina | Nhamba yemutengo inenge |
| ZG270-500 | GB/T 11352 (China) | Chinangwa chikuru, mamiriro ekunze akapfava | 1.0 (yekutanga) |
| GS-20Mn5 | DIN 17182 (Germany) | Kupisa kwakanyanya, kupisa kwakaderera | 1.4 – 1.6 |
| ASTM A27 60-30 | ASTM (USA) | Mapurojekiti eUS ane muripo wakaderera kusvika pakati nepakati | 1.1 – 1.2 |
ZG270-500ndiyo inonyanya kushandiswa nevanogadzira simbi vekuChina. Yakachipa, iri nyore kugadzira, uye inoshanda zvakanaka mumafekitori akawanda esimbi - kunyanya munzvimbo dzinodziya dzine mashandiro akagadzikana.
GS-20Mn5ndiyo sarudzo yepamusoro-soro yekushandiswa kwakawanda: kuchovha mabhasikoro nguva nenguva, mamiriro ekunze anotonhora, uye uko kunodiwa chitupa chemitemo yeEurope. Haisi kemikari chete - nzira yekurapa kupisa yakaoma.
ASTM A27 60-30ndiyo mwero wekuAmerica wakaenzana neZG270-500 asi une zvinodiwa zvakasiyana zvekuyedza. Inowanzo tsanangurwa kumapurojekiti anotsigirwa nemasangano ekuUS kana kana kambani yeinjiniya iri yekuAmerica.
Kuumbwa kweMakemikoro - Nhamba Chaidzo
Ngatisiyei mazita ekushambadzira totarisa ongororo chaiyo yendiro. Aya ndiwo marudzi akajairika ekugadzira poto dzeslag (kwete zvishoma/zvakanyanya pachiyero - takaasimbisa kuti ashande zviri nani).
| Chinhu | ZG270-500 (Yakajairika) | GS-20Mn5 (Yakajairika) | ASTM A27 60-30 (Yakajairika) |
| Kabhoni (C) | 0.30 – 0.37% | 0.18 – 0.23% | 0.28 – 0.32% |
| Silikoni (Si) | 0.30 – 0.50% | 0.30 – 0.50% | 0.30 – 0.60% |
| Manganese (Mn) | 1.10 – 1.40% | 1.00 – 1.50% | 0.90 – 1.20% |
| Phosphorus (P) | ≤0.030% (tine chinangwa che 0.020) | ≤0.020% | ≤0.040% |
| Sarufa (S) | ≤0.030% (tine chinangwa che 0.020) | ≤0.020% | ≤0.040% |
| Chromium (Cr) | Hazvina kutaurwa | ≤0.30% | Hazvina kutaurwa |
| Nickel (Ni) | Hazvina kutaurwa | ≤0.40% | Hazvina kutaurwa |
| Molybdenum (Mo) | Hazvina kutaurwa | ≤0.10% | Hazvina kutaurwa |
Izvi zvinorevei muhupenyu chaihwo:
●Kabhoni yakaderera muGS-20Mn5(0.18-0.23%) zvinoreva kuti inogona kuchinjika zviri nani uye yakasimba, kunyanya kana tembiricha yakaderera. Zvinoderedzawo njodzi yekutsemuka kwehydrogen.
●P naS zvakamanikanamuGS-20Mn5 inoderedza kubvaruka kunopisa uye inovandudza kugona kwayo kupfava. Izvi zvinokosha kana poto yako yeslag ichidziiswa uye ichitonhodzwa kakawanda - tsvina shoma zvinoreva kuti inogara kwenguva refu.
●Hapana Cr/Ni/Mo yakatarwamuZG270-500 uye ASTM A27 zvinoreva kuti foundry inogona kushandisa simbi yakachena yekabhoni isina zvinhu zvinosanganisa alloying. Izvi zvakanaka mumamiriro ekunze akapfava, asi kwete kudzivirira kuneta kwekupisa.
Maitiro Ekusarudza
Tevedzera mibvunzo nenzira yakatevedzana. Zvichibva pamhinduro dzako, sarudza zvinhu zvinokurudzirwa.
Danho 1: Ko chirimwa chako chinoshanda pasi pe0°C kwemwedzi inopfuura miviri pagore here?
EHE→ Enda kuDanho rechipiri
NO→ Enda kuDanho rechitatu.
Danho rechipiri (renzvimbo dzine tembiricha yakaderera): Unoda chitupa cheEurope (PED / EN 10204 3.2) here?
EHE→ SarudzaGS-20Mn5(ne -20°C impact test ≥27J).
NO→ SarudzaZG310-570(giredhi reChinese rakaoma) kanaGS-20Mn5(kana bhajeti richibvumira).
*ZG310-570 ishanduro yakagadziridzwa yeZG270-500 ine simba rakawanda uye inodzivirira kuneta zvakanyanya.*
Danho rechitatu (kana tembiricha yakaderera kana kuti dzimwe nguva): Ko slag pot yako inosangana nekupisa kunodarika gumi pazuva (semuenzaniso, EAF kana LF refined kakawanda) here?
EHE→ SarudzaGS-20Mn5(hupenyu hwekuneta kwekupisa huri nani).
NO→ Enda kuDanho rechina.
Danho rechina (rekuti zvinhu zvisanyanya kuwanda, uye zvisanyanya kuwanda): Chirongwa chenyu chiri kuUSA here kana kuti chinotsigirwa nemasangano ekuUS?
EHE→ SarudzaASTM A27 60-30(inosangana nezvinodiwa neUS).
NO→ SarudzaZG270-500(inodhura zvakanyanya, ine mutengo wakanakisisa).
Tafura Yepfupiso
| Mamiriro Ekushanda | Zvinhu Zvinokurudzirwa |
| Tembiricha yakaderera + inoda chitupa chekuEurope | GS-20Mn5 (ine simba re -20°C) |
| Tembiricha yakaderera + hapana chitupa chekuEurope | ZG310-570 kana GS-20Mn5 |
| Kupisa kwakanyanya (>10 kupisa pazuva) | GS-20Mn5 |
| Purojekiti yeUS kana kuti inotsigirwa nemari neUS | ASTM A27 60-30 |
| Kupisa kwakapfava, kutenderera kwakaderera, chirongwa chisiri cheUS | ZG270-500 (yakachipa zvikuru) |
Zvimiro zveMichina - Zvauchawana paPepa vs. Zvaunowana muGayo
| Pfuma | ZG270-500 | GS-20Mn5 | ASTM A27 60-30 |
| Simba reKubereka (min, MPa) | 270 | 300 | 207 |
| Simba reKusimba (min, MPa) | 500 | 480-630 | 414 |
| Kureba (min, %) | 18 | 22 | 24 |
| Kusimba Kwemhedzisiro (Charpy V) | Hazvidiwi (tinoedza pa20°C) | 27J pa -20°C zvakajairika | 20J pa20°C zvakajairika |
| Tembiricha Yepamusoro Yebasa (inoenderera mberi) | ~600°C | ~650°C | ~600°C |
| Kuramba Kuneta Kwekupisa | Nheyo yekutanga | ~40% zviri nani | Nheyo yekutanga + |
Ngatitsanangure tafura iyi kuti ishande sei zuva nezuva:
●Simba rekupa– GS-20Mn5 ine goho rakakura (300 vs 270 MPa), saka inoramba kuchinja kana iine zvinhu zvinorema zvetsvina. Izvi zvinoonekwa kana wanyanya kuisa poto kana kuti crane operator yacho isina kunaka.
●Kureba– ASTM A27 ine kureba kwakanyanya (24% vs 18%), zvichireva kuti inogona kutambanudza nguva yakawanda isati yatyoka. Asi muhari dzeslag, kureba kupfuura 18% hakuwanzove chinhu chinogumira - kuneta kwekupisa ndiko kunonyanya kukonzera.
●Kusimba kwemhedzisiro– Uyu ndiwo mukuru. GS-20Mn5 inowanzo ongororwa simba pa -20°C. Kana chigayo chako chiri kuSiberia, kuchamhembe kweCanada, kana kunyange kuchamhembe kweChina munguva yechando, izvi zvinokosha. ZG270-500 neASTM A27 zvinogona kupwanyika kana tembiricha iri pasi pe zero.
l *Nyaya chaiyo: Imwe fekitari muInner Mongolia yakashandisa hari dzeZG270-500. Muna Ndira, tembiricha yekunze -25°C, hari yakatsemuka panguva yekutanga kwezuva. Vakachinja kuenda kuGS-20Mn5 - hapana kutsemuka kwechando.*
Mutengo vs. Kushanda - Ndeipi Inokupa ROI Yakanakisisa?
Takatevera ruzivo rwemutengo nehupenyu hwese kubva kumafekitori esimbi makumi mana nenomwe kwemakore mashanu. Hezvino zvatakawana:
| Giredhi | Mutengo wepamusoro | Avhareji yeMasekete kusvika Kukundikana | Mutengo pa 1,000 Cycles |
| ZG270-500 | Nheyo yekutanga | 4,200 macycles | $X (yekutanga) |
| ASTM A27 60-30 | + 10-15% | 4,500 macycles | 0.95X |
| GS-20Mn5 | +40-60% | 7,500 macycles | 0.85X |
Nhamba dzinoratidza - makiromita ako anogona kusiyana zvichienderana nemamiriro ekushanda.
Pfungwa inoshamisa:Pasinei nemutengo wakakwira wekutanga, GS-20Mn5 inowanzo kupamutengo wakaderera padenderedzwa rega reganekuti inogara kwenguva inosvika kaviri. Asi pane dambudziko: inoda kurapwa kwakakodzera kwekupisa (kudzimwa + kunyoroveswa). Mamwe mafekitori anoti anopa GS-20Mn5 asi anongopa zvinhu zvakajairwa chete - izvo hazvizokupe hupenyu hwakafanana.
Nguva yekushandisa ZG270-500:
● Kuvhiyiwa kwako kwakaderera (hapana kuvhunduka kunowanzoitika panguva yekupisa)
● Hamushande pasi pe 0°C
● Une bhajeti shoma uye unogona kurarama kwenguva pfupi
● Unotsiva mapoto makore ese maviri kusvika matatu
Nguva yekushandisa ASTM A27 60-30:
● Tsanangudzo yepurojekiti yako inoda kuti zvinhu zveASTM zvishandiswe
● Unofanira kugutsa kambani yeinjiniya yekuUS kana chikwereti
● Haudi kubhadhara GS-20Mn5 premium asi unoda magwaro ari nani pane ZG270-500
Nguva yekushandisa GS-20Mn5:
● Unoshanda maawa makumi maviri nemana pazuva, mazuva manomwe pasvondo, uchipisa zvakanyanya (EAF kana kushandisa LF kakawanda)
● Tembiricha yako inoderera pasi pechando
● Unoda mutengo wakaderera wenguva refu patani yesimbi inogadzirwa
● Unoda chitupa chekuEurope (PED, EN 10204 3.2)
Pfungwa Dzisiri Dzechokwadi - Zvatinonzwa Kubva Kuvatengi
Pfungwa isiriyo 1: "Simba guru rekudhonza rinogara richireva kuti ndiro yekubikira iri nani."
Hazvisi zvechokwadi. Simba rekudhonza riri pamusoro pe450 MPa hariwanzo shandiswa pakugadzira poto dzeslag. Chinouraya poto kuneta kwekupisa uye kurovera, kwete kudhonza kwestatic. GS-20Mn5 ine kudhonza kwakaderera zvishoma pane ZG270-500 asi inodzivirira kuneta zviri nani.
Pfungwa Isina Kujeka 2: "Chero chivakwa chekugadzira simbi chinogona kugadzira GS-20Mn5 - ingori tsika."
Zvakashata. GS-20Mn5 inoda kurapwa kwakanyatsonaka kwekupisa: kudzimwa (mvura kana mhepo inomanikidzwa) uye kudzimwa. Makambani mazhinji ekugadzira simbi anodarika danho rekudzimwa uye anongogadzirisa zvinhu. Unowana GS-20Mn5 chemistry asi ZG270-500 properties. Kumbira zvinyorwa zvekurapa kupisa uye ma profiles ekuomarara.
Pfungwa Isina Kujeka 3: "Tagara tichishandisa ZG270-500 uye hazvina dambudziko."
Mubvunzo mumwe chete: unoziva here kuti marongero ako chaiwo anokundikana here? Makambani mazhinji anogaya zvinhu anogamuchira marongero zviuru zvitatu se "akanaka" - asi unogona kuwana marongero zviuru zvinomwe nezvinhu zviri nani. Zvakakosha kuverenga mari yako yakavanzika yekutsiva nekukurumidza uye nguva yekuzorora.
Zvekubvunza Mutengesi weSlag Pot Yako (Rondedzero Yekutarisa)
Usati wapedza kuodha, bvunza mibvunzo iyi - mhinduro dzichakuudza kana mutengesi achiziva zvinhu zvake.
1."Ndeipi nhanho chaiyo yekemikari yako yegiredhi iri, kwete chete miganhu yakajairwa?"
Mutengesi akanaka achakupa mukana wekutengesa zvinhu zvishoma (semuenzaniso, C: 0.30-0.35%, kwete 0.30-0.40%).
2."Munoita bvunzo dzemhedzisiro pa0°C kana -20°C here? Mungandiratidza mhinduro dzacho here?"
Kune ZG270-500, vatengesi vazhinji havaedze kukanganiswa zvachose. Kune GS-20Mn5, -20°C ndiyo yakajairika.
3."Ndeipi nzira yenyu yekurapa kupisa yezvinhu izvi?"
Taura zvakananga: tembiricha yekudzikamisa, nguva yekunyorovesa pa inch imwe neimwe yechikamu, nzira yekudzima, tembiricha yekudzikamisa nenguva.
4."Mune mushumo wekuyedza kupisa kunoparadza here wechinhu ichi?"
Vashoma kwazvo vanoita basa rekugadzira matombo vanoita izvi. Womic Steel inopa imwe kana vakumbira.
5."Munogona here kupa mepu yeukobvu hwemadziro nemushumo we ultrasound?"
Izvi zvinoita kuti pave nehukobvu hwakafanana - chinhu chinowanzoonekwa chisina kunaka muhari dzesimbi dzakagadzirwa nesimbi.
Kurudziro Yekupedzisira
Kune vazhinji vanogadzira zvigayo zvepakati nepakati munzvimbo dzine mamiriro ekunze ari pakati nepakati:Tanga neZG270-500. Inodhura zvishoma uye inoita basa racho. Asi bvunzazvakajairika pamwe nekunyoroveswakurapwa nekupisa - vatengesi vazhinji vanongogadzirisa chete, izvo zvinoderedza kuomarara.
Kune zvigayo zvine nguva yechando inotonhora kana mashandiro anowanzoitwa kakawanda:Isa mari muGS-20Mn5ine chimiro chakadzima uye chakapfava. Mari yekutanga inodzoserwa mukati memakore maviri kuburikidza nekutsiviwa kushoma uye nguva shoma yekuzorora.
Kune mapurojekiti eUS-spec:ASTM A27 60-30 ndiyo sarudzo yakachengeteka. Zvisinei, kana mamiriro ekushanda kwako achinetsa, simudzira kuenda kuASTM A27 65-35 (goho rakawanda).
Chero chaunosarudza, nyora zvese pasi.Mhando dzemakemikari, kutenderera kwekurapa kupisa, nzira dzeNDT, uye zvinodiwa zvekugamuchira - hazvisiye mukana wekududzira.
Uchiri Kusaziva Here? Ngatikurukurei Nezvekushanda Kwako Chaizvo
Chivako chesimbi chega chega chakasiyana. Tinogona kuongorora mashandiro echirongo cheslag chiri kushanda pari zvino - kubva pakuchinja kusvika pakukundikana, mapikicha emodhi yekukundikana, tembiricha yekushandisa, uye kugona kwecrane - tobva takurudzira chigadzirwa chakakodzera uye dhizaini.
Fonera kana WhatsApp:
Victor: +86 15575100681
Jack: +86 18390957568
Titumirei email: sales@womicsteel.com
Webhusaiti: www.womicsteel.com
Womic Steel – Hatitengesi mapoto esimbi chete; tinokubatsira kusarudza akakodzera chigayo chako.
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