AISI 4140 1.7225 42CrMo4 SCM440 B7 Pa uamea
Fa'amatalaga Puupuu:
AISI SAE 4140 u'amea u'amea o se chromium molybdenum uʻamea uʻamea faʻamatalaga lautele faʻaaogaina i le faʻamoemoe lautele maualuga tensile sila mo vaega, e pei o axles, shafts, bolts, gears ma isi talosaga.
Pa uamea kabon:
AISI 4140, 1.7225 (42CrMo4), SCM440, ma B7 Steel Bar o faʻailoga eseese mo le ituaiga tutusa o uʻamea uʻamea. Ua lauiloa i latou mo le malosi maualuga ma le faigata, e masani ona faʻaaogaina i faʻaoga e pei o mea faʻaoga ma faʻamau. AISI 4140 o le igoa Amerika, 1.7225 o le tulaga Europa EN, SCM440 o le Japanese JIS igoa, ma B7 e faasino i se vasega vasega ASTM A193 faʻamatalaga. O nei faʻailoga e fai ma sui o le chromium-molybdenum uʻamea uʻamea ma mea tutusa, ma o le filifiliga e mafai ona faʻalagolago i tulaga faʻaitulagi poʻo alamanuia.
Fa'amatalaga ole 4140 1.7225 42CrMo4 SCM440 B7:
| Vasega | 4140 1.7225 42CrMo4 SCM440 B7 |
| Tulaga | ASTM A29, ASTM A193 |
| Laufanua | Uuliuli, Masini Masini, Liliu |
| Aotelega Va'aiga | 1.0 ~ 300.0mm |
| Umi | 1 i le 6 mita |
| Fa'agasologa | Toso Ma'alili & Fa'aiila Fa'a'ele'ele'ele'ele & Faila |
| Materail Mata | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
Ituaiga & Faamanuiaga:
•Malosi Maualuga: O nei pa uʻamea e faʻaalia ai le malosi maualuga, e faʻaogaina ai mo faʻaoga e taua tele ai le malosi ma le tumau.
•Malosi: Latou te ofoina atu le malosi lelei ma le aʻafiaga o le tetee, e mafai ai ona latou gafatia avega mamafa ma faʻalavelave malosi.
•Versatility: AISI 4140, 1.7225, 42CrMo4, SCM440, ma le B7 o mea faʻapitoa e fetaui mo le tele o faʻaoga, e aofia ai mea faʻaoga, faʻamau, faʻamau, ma vaega faʻavae.
•Tete'e Fa'aofuofu: O elemene fa'afefiloi, e pei o le chromium ma le molybdenum, e saofagā i le fa'aleleia atili o le fa'aogaina o le ofuina, ma fa'aogaina ai nei fa'amau u'amea talafeagai mo fa'aoga e fa'atatau i tulaga abrasive.
•Masini: O u'amea nei e lelei ona fa'aogaina pe a fa'amama lelei, e mafai ai ona lelei fa'agasologa o masini a'o fai.
•Weldability: E mafai ona uelo, e ui lava e mafai ona manaʻomia le faʻamafanafanaina ma le maeʻa o le faʻafefe o le vevela e faʻatumauina ai meatotino manaʻomia ma aloese mai faʻafitauli e pei o le brittleness.
Fa'asu'ega vaila'au:
| Vasega | C | Mn | P | S | Si | Cr | Mo |
| 4140 | 0.38-0.43 | 0.75- 1.0 | 0.035 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| 42CrMo4/ 1.7225 | 0.38-0.45 | 0.6-0.90 | 0.035 | 0.035 | 0.40 | 0.9-1.20 | 0.15-0.30 |
| SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.030 | 0.15-0.35 | 0.9-1.20 | 0.15-0.30 |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 | 0.040 | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
Mea fa'ainisinia:
| Vasega | Malosi Tetele [MPa] | Malosi Fa'aola [MPa] | Fa'aumi % |
| 4140 | 655 | 415 | 25.7 |
| 1.7225/42CrMo4 | 1080 | 930 | 12 |
| SCM440 | 1080 | 930 | 17 |
| B7 | 125 | 105 | 16 |
FAQ Taiala:
Aisea e Filifili ai i matou?
•E mafai ona e mauaina mea lelei atoatoa e tusa ai ma lou manaʻoga i le tau maualalo.
•Matou te ofoina atu foʻi Reworks, FOB, CFR, CIF, ma tau faʻafeiloaʻiga mai lea fale i lea fale. Matou te fautuaina oe e fai fefaʻatauaiga mo felauaiga o le a fai si taugofie.
•O mea matou te tuʻuina atu e mafai ona faʻamaonia atoatoa, saʻo mai le tusi faʻataʻitaʻiga o mea mataʻutia i le faʻamatalaga faʻaiʻuga mulimuli. (Lipoti o le a faʻaalia i luga o manaʻoga)
•Matou te faʻamautinoa e tuʻuina atu se tali i totonu ole 24 itula (masani ile itula lava e tasi)
•Tuuina atu le lipoti a le SGS TUV.
•Matou te faʻamaoni atoatoa ia matou tagata faʻatau. Afai o le a le mafai ona ausia ou manaʻoga pe a uma ona suʻesuʻeina filifiliga uma, matou te le faʻasesēina oe e ala i le faia o folafolaga pepelo e faʻatupuina ai sootaga lelei tagata faʻatau.
•Tuuina atu auaunaga e tasi.
4140 vs 42CRMO4 - O le a le Eseesega?
AISI 4140 ma le 42CrMo4 e tutusa lava le ituaiga uamea, ma le AISI 4140 o le igoa Amerika ma le 42CrMo4 o le igoa Europa. Latou te fefa'asoaa'i fa'atusa vaila'au tu'ufa'atasia, maualuga le malosi, ma le ma'a'a'a, ma fa'aaogāina ai mo fa'aoga e pei o 'oloa ma fa'amau. E ui lava i igoa eseese ma tulaga faʻaitulagi, e masani ona faʻafesoʻotaʻi ona o mea faʻatusatusa.
O le a le 42CrMo4 uamea?
42CrMo4 o se chromium-molybdenum uʻamea uamea ua filifilia e le tulaga Europa EN 10083. E lauiloa mo lona malosi maualuga, faigata, ma le faʻamalosi lelei. Faatasi ai ma le kaponi oona o le 0.38% i le 0.45%, e masani ona faʻaaogaina i talosaga e manaʻomia ai vaega malosi, e pei o mea faʻaoga, crankshafts, ma fesoʻotaʻiga laʻau i alamanuia e pei o taavale afi ma vaalele. O le uʻamea e tali lelei i togafitiga vevela, tuʻuina atu le gafatia e fetuunai mea faʻainisinia, ma e manatu o se faʻavaomalo tutusa ma isi faʻailoga e pei o AISI 4140 ma SCM440.
O le a le vasega B7 sila?
Vasega B7 o se faʻamatalaga i totonu o le ASTM A193 faʻataʻitaʻiga, lea e aofia ai mea faʻapipiʻi malosi maualuga mo le faʻaaogaina i le maualuga o le vevela poʻo le maualuga o le mamafa. ASTM A193 o se tulaga faataatitia e le ASTM International (lea sa taʻua muamua o le American Society for Testing and Materials) ma o loʻo faʻaaogaina lautele i le suauu ma le kesi, petrochemical, ma le gaosiga o le eletise. 2H nati e faʻamautinoa le fetaui ma le faʻatinoga i talosaga manaʻomia. Pe a faʻamaonia, e tatau ona faʻamalieina mea e manaʻomia o loʻo faʻamatalaina i le ASTM A193 ma le A194 faʻataʻitaʻiga e faʻamautinoa ai le malosi, faʻamalosi, ma isi mea faʻainisinia.
O matou Tagata fa'atau
Manatu faaalia mai a matou tagata fa'atau
AISI 4140, 1.7225, 42CrMo4, SCM440, ma B7 pa uamea tali lelei i togafitiga vevela, e mafai ai mo le fetuunaiga o mea tau masini e pei o le maaa ma le toughness.These uamea faʻaalia le malosi tensile maualuga, faia latou talafeagai mo talosaga lea o le malosi o se vaega taua. pa e tele ma maua talosaga i alamanuia eseese, e aofia ai taavale, aerospace, fausiaina, ma le gaosiga. O elemene alloying, e pei o le chromium ma molybdenum, saofagā i le faaleleia o le ofuina teteʻe, faia o nei pa uamea talafeagai mo talosaga i lalo o tulaga abrasive.
afifiina:
1. E taua tele le afifiina aemaise i se tulaga o uta faavaomalo lea e ui atu ai le uta i auala eseese e oʻo atu ai i le taunuuga sili, o lea matou te tuʻuina atu ai se popolega faʻapitoa e uiga i le afifiina.
2. Saky Steel's pack a tatou oloa i le tele o auala e faʻatatau i oloa. Matou te teuina a matou oloa i le tele o auala, e pei o,
