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AISI 4140 Uamea 1.7225 42CrMo4 SCM440
AISI 4140 Uamea 1.7225 42CrMo4 SCM440
AISI 4140 Uamea 1.7225 42CrMo4 SCM440
AISI 4140 Uamea 1.7225 42CrMo4 SCM440

AISI 4140 Uamea 1.7225 42CrMo4 SCM440

Alloy 4140 (AISI 4140) o se tasi o ipu uʻamea uʻamea faʻamalosi saʻo sili ona lauiloa Cr-Mo o loʻo i ai le malosi e atiaʻe ai le tele o le maaa ma le malosi. O elemene faʻafefiloi ma togafitiga vevela, e pei o le tineia ma le faʻafefe, e matua aʻafia ai le maaa ma le malosi o le sila.
Folasaga o oloa

AISI 4140 Pa u'amea, Papa Uamea, Fa'atau Fa'ato'aga, Fa'atau oloa ma Fa'atau Atu. AISI SAE 4140 u'amea u'amea o se chromium molybdenum u'amea u'amea fa'amatalaga lautele fa'aaogaina i le fa'amoemoe lautele u'amea tensile maualuga mo vaega, pei o axles, shafts, bolts, gears ma isi talosaga. E tutusa ma le u'amea vasega AISI 4130 chrome moly u'amea u'amea ae o lo'o i ai sina maualuga maualuga atu o le kaponi. O le maualuga o le carbon content o le AISI 4140 uamea e maua ai le malosi sili atu ma le faʻaogaina o le vevela pe a faʻatusatusa i le AISI / ASTM 4130 uʻamea uʻamea, peitaʻi o loʻo i ai ni uiga faʻalelei maualalo.

4140 LISI O FAI

AISI 4140 Pa uamea | 1.7225 | 42CrMo4 | SCM440
1. Avanoa Tulaga mo AISI alloy 4140 pa uamea

4140 Uamea Round Bar: lautele 8mm - 3000mm
4140 Papa Uamea: mafiafia 10mm – 1500mm x lautele 200mm – 3000mm
4140 Uamea Vasega Square: 20mm - 500mm
Fa'ai'uga i luga ole laiga: Uuliuli, Fa'aMesina Saosaoa, Liliu pe pei ole mana'oga tu'uina atu.

2. Fa'amatalaga masani 4140 uamea

Atunuu ISA Siamani Peretania Iapani Saina Ausetalia
Tulaga ASTM A29 DIN 17200 BS 970 JIS G4105 GB/T 3077 AS 1444
togi 4140 1.7225/
42crmo4
42CrMo4 SCM440 42CrMo 4140

3. 4140 Pa uamea Fa'ameamea

Tulaga Vasega C Mn P S Si Ni Cr Mo
ASTM A29 4140 0.38-0.43 0.75-1.00 0.035 0.040 0.15-0.35 0.8-1.10 0.15-0.25
EN 10250 42CrMo4/
1.7225
0.38-0.45 0.6-0.9 0.035 0.035 0.4 0.9-1.2 0.15-0.30
JIS G4105 SCM440 0.38-0.43 0.60-0.85 0.03 0.03 0.15-0.35 0.9-1.2 0.15-0.30

4. Meatotino Fa'ainisinia o le AISI Alloy 4140 Steel Bar, Plates, Square

Meatotino metric Imperial
Malosi fa'asa 655 MPa 95000 psi
Tuuina atu le malosi 415 MPa 60200 psi
Fa'atosina tele (masani mo u'amea) 140 GPa 20300 ksi
Modulus si'i (fa'apitoa mo u'amea) 80 GPa 11600 ksi
Fa'aula'i fa'alava 190-210 GPa 27557-30458 ksi
fua faatatau a Poisson 0.27-0.30 0.27-0.30
Elongation i le motusia (i le 50 mm) 25.70% 25.70%
Malosi, Brinell 197 197
Malosi, Knoop (faaliliu mai le maaa Brinell) 219 219
Malosi, Rockwell B (faaliliu mai le maaa Brinell) 92 92
Ma'a'a, Rockwell C (fa'aliliu mai le ma'a'a Brinell. Tau i lalo ole tulaga masani HRC, mo na'o fa'atusatusaga) 13 13
Malosi, Vickers (faaliliu mai le maaa Brinell) 207 207
Masini (fa'avae ile AISI 1212 ile 100 machinability) 65 65

5. Fa'ailoga

Fa'amama ma le faaeteete le uamea, vevela i le 1150 oC - 1200 oC le maualuga, taofi seia tutusa le vevela i le vaega atoa.
Aua ne'i fa'amama i lalo ole 850 oC. I le mae'a ai o le fa'agaioiga fa'ameamea e tatau ona fa'alili lemu le mea faigaluega.

6. AISI 4140 Uamea Vasega vevela Togafitiga

  • Fa'asusu
    Fa'avevela u'amea ASTM 4140 i le 800 oC - 850 oC, taofi se'ia tutusa le vevela i le vaega atoa ma fa'alili i totonu o le ogaumu.
  • Fa'asalaina
    Fa'avela u'amea u'amea 4140 i le 870 oC - 900 oC, taofi seia tutusa le vevela i le vaega atoa, fa'asusu mo le 10 - 15 minute ma malulu i le ea filemu.
  • Fa'aitaita
    Toe fa'amafanafana le 4140 grade steel i le 550 oC - 700 oC pe a mana'omia, taofi se'ia tutusa le vevela i le vaega atoa, fa'asusu mo le 1 itula i le 25 mm o le vaega, ma malulu i le ea filemu.

7. Fa'ama'a'a ole AISI Alloy Steel 4140

AISI uʻamea 4140 pa uamea, ipu ma sikuea e mafai ona faʻamaʻaʻaina e ala ile galue malulu, poʻo le faʻamafanafanaina ma le tineia.

SAE 4140 u'amea u'amea e masani lava ona tu'uina atu le vevela ua fa'amama i le ma'a'a i le 18-22 HRC. Afai e mana'omia nisi togafitiga vevela, ona vevela lea i le 840 oC - 875 oC, taofi seia tutusa le vevela i le vaega atoa, fa'asusu mo le 10 - 15 minute i le 25 mm vaega, ma tineia i le suauu, vai, poʻo le polymer pe a manaʻomia.

8. Fa'aogaina o le fa'ameamea AISI lapotopoto 4140 pa uamea

ASTM alloy 4140 pa u'amea, mafolafola po'o mea ipu ipu e mafai ona fa'aogaina mo le tele o fa'aoga eseese e mana'omia ai le malosi ma le ofuina o le fa'aogaina i luga ole kaponi maualalo. O talosaga masani mo le 4140 mea faigaluega uamea e aofia ai Vaega, Adapters, Arbors, strippers, holder blocks, mold bases, ejectors, back up and support tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts, stubs, so'oga, tino u'u, au, fa'a, piston rods, mamoe po'a, u'amea masini eletise, mea fa'aoga, sprockets, fata mea fa'aoga, so'oga filifili, milo, tino meafaigaluega, mea e teu ai mea faigaluega, u'amea nonoa, Tootoo Feso'ota'i, Tino, Collets, Pins & Lola, Fa'a'i Ejector, tui, mea e fa'alava, ta'i ta'iala, u'amea ma vaega, la'u u'amea, vaega o la'au, mea fa'ameamea, afi afi, nati, pa'u pine, pine, pa'u pamu, pa fa'alava, ala, fa'ase'e, ofuina fasipepa po'o vaega. , fau pa, mate taofi, oti tipi, bolsters, vaega masini ma vaega, ma isi.

Faʻafeiloaʻi tagata faʻatau e suʻesuʻe AISI 4140 pa uamea, ipu, uamea mafolafola mo le tau uʻamea 4140. O matou o tagata faʻapitoa faʻatau oloa ma faʻatau atu mo le sili atu i le 12 tausaga. Matou te ofoina atu ia te oe fofo i le lalolagi atoa mo aisi alloy 4140 pa uamea.

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