Seamless Alloy Steel Yeeb Nkab 180 * 22 180 * 25 40cr Alloy Tube 4140 Alloy Structure Pipe

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40Cr steel yog ib qho ntawm cov hlau siv dav tshaj plaws hauv kev tsim khoom siv tshuab.Tom qab quenching thiab tempering, nws muaj cov cuab yeej zoo txhua yam, zoo kub tsis tshua muaj kev cuam tshuam toughness thiab tsis tshua muaj notch rhiab heev.Lub hardenability ntawm cov hlau yog zoo, thiab nws yuav quenched mus rau qhov siab tshaj plaws thaum dej quenched Ф 28 ~ 60mm, roj quenched rau Ф 15～40 mm.Thaum lub hardness yog 174 ~ 229hb, tus txheeb ze machinability yog 60%.Cov hlau yog tsim los ua cov yas pwm nruab nrab.

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Product Detail

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Product Description

40Cr belongs rau nruab nrab carbon quenched thiab tempered steel thiab txias taub hau tuag steel.Cov hlau muaj tus nqi nruab nrab thiab kev ua haujlwm yooj yim.Tom qab kev kho cua sov kom zoo, nws tuaj yeem tau txais qee qhov toughness, plasticity thiab hnav tsis kam.Normalizing tuaj yeem txhawb kev ua kom zoo ntawm cov qauv, ze rau lub xeev sib npaug, thiab txhim kho qhov kev ua tau zoo ntawm qhov khoob.Thaum tempered ntawm 550 ~ 570 ℃, cov hlau muaj qhov zoo tshaj plaws txhua yam khoom siv.Lub hardenability ntawm cov hlau yog siab dua li ntawm 45 steel, uas yog haum rau kev kho deg hardening xws li high zaus quenching thiab nplaim quenching.40Cr ncej ib feem yog ib qho ntawm feem ntau ntsib hauv tshuab.Nws yog tsuas yog siv los txhawb qhov kis tau tus mob, hloov torque thiab dais load.

Khoom Parameter

Standerd	GB ASTM ISO daim ntawv pov thawjJIS DIN
Qib steel yeeb nkab	40cr 41Cr4 40x 5140 SCr440 530M40
Leng	3-12 m
Sab nraud	32-756 hli
phab ntsa thickness	2.5-100 hli
Kev Pabcuam	Txiav los yog raws li cov neeg siv khoom xav tau
Ntim Cov Lus Qhia	Npuag ntim / rooj ntoo / ntaub ntawv tsis muaj dej
Cov ntsiab lus ntawm Kev Them Nyiaj	T / TL / C thaum pom
20 feet thawv muaj qhov ntev	Ntev hauv qab 6000mm
40 feet thawv muaj qhov ntev	Ntev hauv qab 12000mm
Cov qauv	Cov qauv pub dawb yog muab tab sis cov khoom thauj yog them los ntawm tus neeg yuav khoom
Min xaj	1 Tuj

Khoom Qhia

Cov kev pabcuam ua haujlwm

Qhov zoo

1, Peb lub tuam txhab muaj ntau cov khoom muag, tuaj yeem ua tau raws li koj xav tau hauv lub sijhawm.

2, muab cov ntaub ntawv tseem ceeb hauv lub sijhawm raws li tus neeg siv khoom xav tau los xyuas kom muaj nuj nqis thiab cov khoom zoo.

3,Kev cia siab rau lub teb chaws lub lag luam steel loj tshaj plaws, ib-nres nrog tag nrho cov khoom koj xav tau kom txuag nqi rau koj.

Tshuaj muaj pes tsawg leeg

C: 0.37 ~ 0.44 Si: 0.17 ~ 0.37 Mn: 0.50 ~ 0.80 Cr: 0.80 ~ 1.10

Ni:≤0.30 P:≤0.035 S:≤0.035 Cu:≤0.030 Mo:≤0.10

Khoom siv

40Cr thiab lwm yam alloy steels yog tsim rau cov ncej nrog nruab nrab precision thiab siab ceev.Tom qab quenching, tempering thiab quenching, cov hlau no muaj cov khoom siv zoo dua qub.Tom qab quenching thiab tempering, cov hlau zoo li no yog siv los ua cov khoom siv kho tshuab uas tuaj yeem nqa nruab nrab thiab nruab nrab ceev, xws li lub kauj khawm, lub nraub qaum ib nrab ntawm lub tsheb, iav, ncej, cua nab, spline ncej thiab lub tes tsho sab saum toj ntawm lub tshuab cuab yeej.