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42CrMo wela owili pepa kila
42CrMo wela owili pepa kila
42CrMo wela owili pepa kila
42CrMo wela owili pepa kila

42CrMo wela olokaa pepa kila/bar

ʻO ke kila 42CrMo ke kila kila i loko o ke kila kila mai ka hiʻohiʻona o ka hoʻokaʻawale mea. Loaʻa iā ia nā waiwai mechanical a me ka machinability, a hoʻohana nui ʻia. Aia ka nui o nā ʻano mea ʻelua, ʻo ka pā a me ka pā poepoe. Hoʻohana ʻia ka pāpaʻi no ka hoʻoheheʻe ʻana i ka hana ʻana, hoʻohana ʻia nā koʻokoʻo pōʻai i nā ʻāpana mīkini pololei, i ʻike ʻia e ka ʻoihana.
Hoʻolauna huahana
ʻO 42CrMo4 he kila no ka hoʻopauʻana a me ka hoʻouluʻana, kahi hui maikaʻi o ka ikaika a me ka paʻakikī i keʻano hoʻopiʻi a me ka huhū. Ma hope o ka hoʻopau ʻana i ka ʻaila, e hoʻopaʻa ʻia ke kila a hiki i ø60 mm bar ke anawaena. ʻAʻole martensite piha ka microstructure o nā ana nui. Pili ke kila i ka paakiki induction. E oi aku ka paakiki o ka ili i ka min. 53 HRC. Hiki ke hāʻawi ʻia ʻo 42CrMo4 i ka M-treated i mea e hoʻonui ai i ka machinability.
ʻikepili ʻenehana
Hoʻohui Kimia
Papa kila C ʻO Si ʻO Mn P S Cr Mo Cu
35CrMo 0.38~0.45% 0.17~0.37% 0.50~0.80% ≤0.035% ≤0.035% 0.90~1.20% 0.15~0.25% ≤0.30%

Nā waiwai mīkini
Ka ikaika σs/MPa (>=) Ka ikaika wili σb/MPa (>=) ʻO ka lōʻihi
δ5/% (>=)
Hoemi o
ʻāpana ψ/% (>=)
Impact absorbing energy Aku2/J (>=) Oolea HBS
100/3000 ka nui
≥930(95) ≥1080(110) ≥12 ≥45 ≥78(8) ≤217HB

I mea e hoʻonui ai i ke ola make i ʻoi aku ma mua o 800,000 mau manawa make, hiki ke hoʻopaʻa ʻia ke kila i hoʻopaʻa ʻia ma mua o ke kinai ʻana a me ka haʻahaʻa haʻahaʻa haʻahaʻa. Ke kinai, preheat ma 500-600 ℃ no 2-4 mau hola, a laila mālama ia ma 850-880 ℃ no kekahi manawa (ma ka liʻiliʻi o 2 mau hola), a laila e hoʻokomo i loko o ka aila a hoʻomaha i 50-100 ℃ a ʻO ka hoʻoluʻu ea, hiki i ka paʻakikī ke hiki i 50 ma hope o ke kinai ʻana -52HRC, i mea e pale ai i ka haki ʻana, 200 ℃ haʻahaʻa haʻahaʻa haʻahaʻa e hana koke ʻia. Ma hope o ka hoʻoulu ʻana, hiki ke mālama ʻia ka paʻakikī ma luna o 48HRC.

42CrMo kila wela wela

Hoʻopili

Hoʻopili i ka 760 ± 10 ℃, hoʻoluʻu i ka umu a hiki i 400 ℃ a laila hoʻoluʻu ea.

Hoʻoponopono maʻamau

Hoʻomaʻamaʻa ma 760 ± 10 ℃, hoʻoluʻu ea ma hope o waho o ka umu.

Nā memo e pili ana i ka Quenching and Tempering Treatment

Pono e hoʻolohe i ka mahana o ka wai coolant. A pono e hōʻoia i ka ʻole o ka ʻaila a i ʻole nā ​​mea haumia ʻē aʻe. A i ʻole, ʻaʻole lawa ka paʻakikī o ke kila a i ʻole ke kaulike.

ʻO ka Quenching a me ka hoʻomaʻamaʻa ʻana i nā mea kila billet me ka ʻole o ka hana ʻana, a laila e loaʻa ka paʻakikī like ʻole. No laila pono ka hana ʻana o ka forging a wili paha ma mua o ka Q+T.

Nā Huahana Pili
AISI 4140 Alloy Steel 1.7225 Steel,Scm440 Steel,42CrMo4 Steel,SAE4140 Steel,42CrMo Steel
AISI 4140 kila 1.7225 42CrMo4 SCM440
5140 Pā kila 1.7035 41Cr4 SCr440 Alloy Steel
AISI 4340 kila 36CrNiMo4 1.6511 EN24 817M40 SNCM439
AISI 8620 kila
EN 34CrNiMo6 kila
DIN 30CrNiMo8 kila
1.2083 kila ,X42Cr13
ʻO W6Mo5Cr4V2Co5(M35) nā kaola kila ʻōwili wela
ʻO W18Cr4V nā kaola kila i ʻōwili ʻia wela
20CrNiMo(8620H) nā kaola poʻe kila ʻōwili wela
34CrNiMo6 wela olokaa kila poepoe kaola
Q390B-Q390D nā pahu kila i ʻōwili ʻia wela
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3Cr2W8V mehana olokaa kila poepoe kaola
ʻO Cr12MoV nā kaola kila ʻōwili wela
Cr12 wela olokaa kila poepoe kaola
A105 wela owili kila poepoe kaola
40CrMnMo hao poepoe Bar
65Mn mau kaola poʻe kila ʻōwili wela
16MnCr5 mau kaola poʻe kila ʻōwili wela
B2 wela owili kila poepoe kaola
38CrMoAl wela olokaa kila poepoe kaola
18CrNiMo7-6
20MnCr5 mau kaola kila poepoe wela
9SiCr wela olokaa kila poepoe kaola
20CrMnMo
60Si2Mn wela olokaa kila poepoe kaola
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