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20Cr u'amea taai vevela
20Cr u'amea taai vevela
20Cr u'amea taai vevela
20Cr u'amea taai vevela

20Cr u'amea taai vevela

GB 20Cr u'amea uamea ose maualuga Quenched ma Tempered Alloy Structural sila. GB 20Cr Alloy steel, e mafai ona matou tuʻuina atu le paʻu lapotopoto, paʻu mafolafola uʻamea, ipu, pa uamea hexagonal ma poloka sikuea sikuea. GB 20Cr uamea Pa'u ta'amilomilo e mafai ona 'ili i lou umi mana'omia e pei o le tasi pe o le tele o vaega tipi.
Folasaga o oloa
GB 20Cr u'amea u'amea ose Quenched ma Tempered Alloy Structural uamea, E patino i le maualuga maualalo kaponi, Low alloy chromium, molybdenum, nickel case hardening sila. Suauu tineia & Fa'asa'o Malosi ole 28-34 HRc. GB 20Cr u'amea tu'uina atu fa'ama'a'a i lalo ifo o le 250HB.20Cr Fa'atasi ai ma le la'ititi o le kaponi mea e aofia ai, O lea e iai le u'amea lelei o le uamea u'amea GB 20Cr.

GB 20Cr u'amea u'amea tutusa fa'amatalaga: ASTM A29/A29M, DIN EN 10083/3, JIS G4053 ma GB/T 3077. GB 20Cr tutusa uamea lapotopoto pa ma pa mafolafola e mafai ona tipi i ou lapoa manaomia. Saina uamea 20Cr vevela ta'avale ma faumea pa uamea e mafai foi ona tu'uina atu, tu'uina atu o se mea faigaluega maualuga fa'ato'a sa'o le pa u'amea meafaigaluega i lou tolerances mana'omia. GB 20Cr u'amea mea tutusa pa o loʻo tuʻuina atu i foliga lapotopoto, sikuea ma mafolafola.
GB 20Cr u'amea uamea ose maualuga Quenched ma Tempered Alloy Structural sila. E a'afia i le maualuga o le kaponi maualalo, Low alloy chromium, molybdenum, nickel case hardening steel. Suauu tineia & Tempered GB 20Cr Uamea Malosi e 28-34 HRc. GB 20Cr uamea Fa'apipi'i fa'ama'a'a i lalo ole 250HB. Faatasi ai ma se vaega maualalo o le kaponi, GB 20Cr u'amea tutusa tutusa e lelei weldability.
GB 20Cr pa uamea faʻapipiʻi ma pa uʻamea vevela ua faʻaaogaina lautele mo le tele o faʻaoga i le faʻaaogaina i totonu o fale taʻavale ma inisinia mo tagata e umia meafaigaluega ma isi vaega faapena. E masani ona faʻaaogaina i le gaosiga o le manaʻoga e maualuga atu, malosi o le faʻaogaina o le fatu, i lalo o le vaega i lalo o le 30 mm poʻo vaega laiti carburized o foliga lavelave ma uta (faʻafefe o le suauʻu), e pei o le: faʻaogaina o mea, mea faʻaoga, CAM, anufe, piston. pine, pipii matiuu, ma isi

Faʻatusatusa i le 15Cr sila, e maualuga atu le malosi ma le faʻamalosi. O le faʻamaʻaina faʻamalosi i totonu o le suauʻu e oʻo atu i le 4-22mm, ma le faʻamaʻaina o le vai e oʻo atu i le 11-40mm, ae o lona malosi e leaga. O lo'o iai le fa'atupuina o fatu, ma o le tineia sa'o i le mālūlū e sili atu lona a'afiaga i le malosi o a'afiaga. O le mea lea, pe a uma le carburizing, e manaʻomia le tineia lona lua e faʻaleleia ai le malosi o le vaega autu e aunoa ma le ita brittleness; u'amea o lo'o i ai le palasitika malulu maualuga ma e mafai ona tosoina i tulaga malulu. ; Machinability e lelei i lalo o le vevela maualuga normalizing poʻo le tineia ma tempering tulaga, ae matitiva ina ua uma annealing; 20Cr o le pearlite, faʻatasi ai ma le faʻaleleia lelei, e masani lava e le manaʻomia togafitiga vevela pe a uma le uʻamea, ae o vaega e iai le mafiafia e sili atu i le 15mm e manaʻomia ona faʻamafanafanaina aʻo leʻi ueloina Pe a oʻo i le 100 ~ 150 ℃, e le manaʻomia le faʻafefe o le vevela pe a uma le uelo.
Fa'amatalaga fa'apitoa
20Cr u'amea ta'ai vevela ie u'amea Fa'asu'esu'e
Tulaga Fa'ainumera (%)
Vasega uamea C Si Mn P S Cr Ni Cu
20Cr 0.18~0.24 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.70~1.00 ≤0.030 ≤0.30

Mea tau masini
Malosi e maua σs/MPa (>=) Malosi fa'amalosi σb/MPa (>=) Fa'aumiumi
δ5/% (>=)
Fa'aitiitiga o
vaega ψ/% (>=)
A'afiaga e mitiia le malosi Aku2/J (>=) Malosi HBS
100/3000 maualuga
≧540 ≧835 ≧10 ≧40 ≧47 ≦179

E tutusa ma le 20Cr alloy Structure Steel

ISA Siamani Saina Iapani Falani Egelani Italia Polani ISO Austria Sweden Spain
ASTM/AISI/UNS/SAE DIN,WNr GB JIS AFNOR BS UNI PN ISO ONORM SS UNE
5120 / G51200 20Cr4 / 1.7027 20Cr SCr420 18C3 527A20 20Cr4

Togafitiga vevela Fa'atatau

  • Fa'amauina o le 20Cr Alloy structural steel

Fa'asa lemu i le 850 ℃ ma fa'ataga le taimi, tu'u le sila e fa'avela lelei, Ona fa'alili malie lea i totonu o le ogaumu. O le u'amea u'amea 20Cr o le a maua MAX 250 HB (Brinell maaa).

  • Fa'ama'a'a o le GB Alloy fa'atulagaina uamea 20Cr

O le tineia muamua fa'amafanafana lemu i le 880°C, Ona fa'amalieina lea o le fa'asusu i le vevela lea e tineia i le suau'u po'o le vai. Ita i le taimi lava e o'o ai meafaigaluega i le vevela o le potu. Toe tineia lona lua vevela i le 780-820 ° C, ona tineia lea i le suauu poʻo le vai.

  • Tempering o 20Cr Alloy fausaga uamea

Fa'avevela ile 20°C, ona fa'alili lea ile vai po'o le suau'u.maaa masani fa'aolaina 179HB Min.

Talosaga

GB 20Cr uamea o loʻo faʻaaogaina lautele mo le tele o faʻaoga i le faʻaaogaina i totonu o fale taʻavale ma inisinia mo tagata e umia meafaigaluega ma isi mea faapena. E masani ona faʻaaogaina i le gaosiga o le manaʻoga e maualuga atu, malosi o le faʻaogaina o le fatu, i lalo o le vaega i lalo o le 30 mm poʻo vaega laiti carburized o foliga lavelave ma uta (faʻafefe o le suauʻu), e pei o le: faʻaogaina o mea, mea faʻaoga, CAM, anufe, piston. pine, pipii matiuu, ma isi; Mo le vevela togafitiga deformation ma abrasion maualuga vaega teteʻe, e tatau ona tineia luga i luga ole taimi maualuga pe a uma carburizing, e pei o le modulus e itiiti ifo nai lo le 3 o le mea e faʻaogaina, oʻo, spline uʻamea, ma isi. O lenei uamea e mafai ona faʻaaogaina i le tineia ma le ita o le setete ma faʻaaogaina i le gaosiga o le tele ma le vaeluagalemu i lalo o le mamafa o le aʻafiaga i ana vaega o galuega, o lenei ituaiga o uamea e mafai foi ona faʻaaogaina e pei o se faʻamaʻi uʻamea martensite maualalo, faʻateleina le faʻateleina o le malosi o le uʻamea ma le malosi tensile faateleina (e uiga i le 1.5 ~ 1.7 taimi). Talosaga masani e pei o tino valve, pamu ma mea faʻapipiʻi, Shaft, le maualuga o le uta o uili, faʻamau, faʻaulu ulu-lua, mea, ma isi.

Tele masani ma le Onosa'i

u'amea lapotopoto pa: Diameter Ø 5mm - 3000mm

Papa uamea: Mafiafia 5mm – 3000mm x Lautele 100mm – 3500mm

Pa uamea Hexagonal: Hex 5mm - 105mm

O isi 20Cr e le'i fa'amauina le tele, fa'amolemole fa'afeso'ota'i la matou 'au fa'atau fa'apitoa.

Fa'agasologa

GB 20Cr u'amea u'amea lapotopoto pa ma vaega mafolafola e mafai ona tipi i ou lapoa manaʻomia. 20Cr u'amea u'amea eleele pa e mafai foi ona tuʻuina atu, tuʻuina atu se meaʻai maualuga meafaigaluega uʻamea saʻo eleele meafaigaluega pa uamea i lou tolerances manaomia. GB 20Cr u'amea o lo'o maua fo'i e pei o le Ground Flat Stock / Gauge Plate, i lapopo'a masani ma le le fa'atatauina.

Oloa Fa'atatau
AISI 4140 u'amea uamea 1.7225 uamea,Scm440 uamea,42CrMo4 uamea,SAE4140 uamea,42CrMo uamea
AISI 4140 Uamea 1.7225 42CrMo4 SCM440
5140 ipu uamea 1.7035 41Cr4 SCr440 uamea uamea
AISI 4340 Uamea 36CrNiMo4 1.6511 EN24 817M40 SNCM439
AISI 8620 Uamea
EN 34CrNiMo6 Uamea
DIN 30CrNiMo8 uamea
1.2083 Uamea ,X42Cr13
W6Mo5Cr4V2Co5(M35) u'amea lapotopoto uamea taai vevela
W18Cr4V u'amea lapotopoto fa'aloloa vevela
20CrNiMo(8620H) uamea taai vevela lapotopoto pa
34CrNiMo6 u'amea ta'ai vevela lapotopoto pa
Q390B-Q390D uamea taai vevela lapotopoto pa
CrWMn uamea taai vevela lapotopoto pa
3Cr2W8V u'amea lapotopoto fa'aloloa vevela
Cr12MoV u'amea lapotopoto fa'aloloa vevela
Cr12 uamea taai vevela lapotopoto pa
A105 uamea taai vevela lapotopoto pa
40CrMnMo uamea lapotopoto pa
65Mn uamea taai vevela lapotopoto pa
16MnCr5 uamea taai vevela lapotopoto pa
B2 uamea taai vevela lapotopoto pa
38CrMoAl u'amea lapotopoto fa'avili vevela
18CrNiMo7-6
20MnCr5 uamea taai vevela lapotopoto pa
9SiCr u'amea lapotopoto uamea taai vevela
42CrMo uamea taai vevela ie
20CrMnMo
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