35CrMnSiA kub dov steel ntawv

35CrMnSiA yog cov hlau tsis tshua muaj hlau ultra-high-strength. Tom qab kev kho cua sov, nws muaj cov khoom zoo txhua yam, lub zog siab, txaus toughness, hardenability, weldability (preheating ua ntej vuam), thiab ua formability, tab sis nws muaj zoo corrosion kuj thiab oxidation tsis kam, feem ntau yog siv tom qab kub tempering los yog austempering. High-lub zog quenched thiab tempered structural steel. Nws muaj zog thiab toughness, siab hardenability, nruab nrab txias deformation plasticity, thiab zoo txiav kev ua tau zoo. Muaj ib qho kev npau taws rau brittleness, thiab transverse cuam tshuam toughness tsis zoo. Kev ua haujlwm vuam zoo dua, tab sis thaum lub thickness ntau dua 3 hli, nws yuav tsum tau preheated rau 150 ℃ ua ntej, thiab kev kho cua sov yuav tsum tau tom qab vuam. Feem ntau siv tom qab tempering.

Lub hom phiaj kho
35CrMnSiA yog siv los tsim nruab nrab-ceev, hnyav-ua haujlwm, muaj zog, siab-toughness qhov chaw thiab cov khoom muaj zog.
Nws feem ntau yog siv los tsim ntau yam tseem ceeb nrog kev thauj khoom siab thiab kev kub ceev, xws li lub zog, shafts, clutches, sprockets, sib tsoo log shafts, bushings, bolts, ceev, thiab lwm yam. Nws kuj yog siv los tsim cov khoom hnav-resistant nrog qis. ua haujlwm kub thiab hloov pauv load. Welded Cheebtsam xws li high-pressure blower hniav, valve daim hlau thiab tsis-corrosive kav

	Chemical Composition (%)
Qib Steel	C	Si	Mn	P	S	Cr	Ni	Cu
35CrMnSiA	0.32-0.39	1.10～1.40	0.80～1.10	≤ 0.025	≤ 0.025	1.10～1.40	≤ 0.030	≤ 0.025

Mechanical zog

Yield zog σs/MPa (>=)	Tensile zog σb / MPa (> =)	Kev cuam tshuam lub zog	Txo ntawm thaj tsam ψ/% (>=)	Impact absorbing zog αkv (J/cm²) (>=)
≥1275 (130)	≥1620(165)	≥31	≥40	≥39(4)

Kev kho cua sov specifications thiab lub koom haum metallographic
Kev kho cua sov specifications: (1) Quenching: thawj 950 ℃, thib ob 890 ℃, roj txias; tempering 230 ℃, cua txias, roj txias; (2) 880 ℃ austempering ntawm 280 ~ 310 ℃.
Kev xa khoom yuav tsum tau teev tseg hauv daim ntawv cog lus thaum xa los ntawm kev kho cua sov (normalizing, annealing lossis kub tempering) lossis tsis muaj kev kho cua sov.

GB/T 11251 35CrMnSiA kub dov qauv steel daim hlau ntawm Gnee steel yog dav siv los tsim nruab nrab ceev, hnyav load, siab zog, siab toughness qhov chaw thiab siab zog Cheebtsam. Gnee steel txaus siab ua koj txhim khu kev qha 35CrMnSiA kub dov alloy steel phaj tsum.

Gnee Steel yog tshwj xeeb hauv GB/T 11251 35CrMnSiA kub dov qauv steel daim hlau uas yog nyob rau hauv GB/T specification.GB/T 11251 35CrMnSiA kub dov qauv steel daim hlau muaj zoo heev mechanical zog thiab dav daim ntawv thov. Kev sib xyaw ua ke saum toj no qhov zoo tuaj yeem muab tau tshaj plaws raws li cov neeg siv khoom xav tau cov khoom. Ntxiv mus, peb yuav muab kev txiav, pretreatment, galvanizing, kuaj, kev kho cua sov rau GB / T 11251 35CrMnSiA kub dov qauv steel daim hlau.