4130 Steel Phaj

 

Specification thiab cov qauv tsim nyog

Lub teb chaws	Teb chaws USA	BS	BS	Nyiv
Txuj	ASTM A 29	EN 10250 / EN10083	SIB 970	JIS G4105
Qib	4130	25CrMo4/1.7218	708A25/708M25	SWM 430

 

Tshuaj muaj pes tsawg leeg

Txuj	Qib	C	Mn	P	S	Si	Cr	Mo
ASTM A 29	4130	0.28-0.33	0.40-0.60	0.035	0.040	0.15-0.35	0.80-1.10	0.15-0.25
TS EN 10250 /EN10083	25CrMo4 / 1.7218	0.22-0.29	0.60-0.90	0.025	0.035	Tsawg dua lossis sib npaug rau 0.40	0.90-1.2	0.15-0.30
JIS G4105	SCM430/ SCM 2	0.28-0.33	0.60-0.85	0.030	0.030	0.15-0.35	0.90-1.2	0.15-0.30

 

Mechanical Properties

 

Qhov ceev (lb / cu. in.) 0.283

Specification Gravity 7.8

Cov cua kub tshwj xeeb (Btu/lb/Deg F – [{{0}} Deg F]) 0.114

Melting Point (Deg F) 2610

Thermal conductivity 22.3

Mean Coeff Thermal Expansion 7

Modulus ntawm Elasticity Tension 29

 

Cov ntsiab lus no pab txhawb rau cov khoom tshwj xeeb ntawm 4130 steel phaj. Carbon muab hardness thiab lub zog, thaum manganese thiab silicon pab nyob rau hauv deoxidation thiab txhim kho tag nrho cov neeg kho tshuab zog. Chromium thiab molybdenum txhim khu cov hlau hardness, hnav tsis kam, thiab kub-siab zog.

 

II. Mechanical Properties

 

4130 steel phaj nthuav tawm cov khoom siv zoo heev, ua rau nws tsim nyog rau ntau yam kev siv. Qee qhov tseem ceeb ntawm cov khoom siv hluav taws xob ntawm 4130 steel phaj suav nrog:

 

Tensile Strength: Siab tensile zog li ntawm 930 MPa rau 1080 MPa (135, 000 psi mus rau 157, 000 psi).

Yield Strength: Lub zog muaj zog ntawm ib puag ncig 785 MPa (114, 000 psi).

Hardness: tuaj yeem hardened rau Rockwell hardness ntawm C38 txog C45.

Ductility: Zoo ductility, tso cai rau qee qhov deformation yam tsis muaj kev tawg.

Impact Resistance: Qhia pom qhov cuam tshuam zoo, ua rau nws tsim nyog rau cov ntawv thov uas tuaj yeem tshwm sim tam sim ntawd.

 

III. Quality Assurance

 

Txhawm rau kom ntseeg tau qhov zoo ntawm 4130 steel phaj, cov tuam txhab ua raws li kev tswj hwm nruj. Cov kev ntsuas no suav nrog:

 

Kev Xaiv Cov Khoom Siv Raw: Tsuas yog cov khoom siv zoo raw khoom siv hauv kev tsim cov 4130 steel phaj. Cov tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm cov khoom siv raw yog ua tib zoo kuaj kom ua tau raws li qhov xav tau tshwj xeeb.

Manufacturing Process Control: Cov txheej txheem tsim khoom ntawm 4130 steel phaj yog nyob ze saib xyuas kom zoo ib yam. Qhov no suav nrog kev tswj cov melting, casting, dov, thiab kev kho cua sov.

Kev Tshuaj Xyuas Zoo: Kev tshuaj xyuas nruj nruj yog ua tiav ntawm ntau theem ntawm kev tsim khoom txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm Qhov no suav nrog kev tshuaj xyuas qhov muag, kev tshuaj xyuas qhov ntev, thiab kev ntsuas cov cuab yeej cuab tam.

Daim ntawv pov thawj: Cov neeg tsim khoom tuaj yeem muab cov ntaub ntawv pov thawj, xws li cov ntawv xeem zeb thiab cov ntawv pov thawj zoo, kom cov neeg siv khoom zoo thiab qhov tseeb ntawm 4130 steel phaj.

 

IV. Kev tu

 

Kev saib xyuas kom zoo ntawm 4130 steel phaj tuaj yeem pab ua kom nws lub neej ua haujlwm ntev thiab ua kom nws ua tau zoo. Qee cov lus qhia txog kev saib xyuas rau 4130 steel phaj suav nrog:

 

Ntxuav: Tsis tu ncua ntxuav lub 4130 steel phaj kom tshem tawm cov av, plua plav, thiab lwm yam kab mob. Siv cov xab npum me me thiab cov kua dej thiab cov ntaub mos muag los yog txhuam kom ntxuav. Tsis txhob siv cov tshuaj abrasive los yog cov cuab yeej uas tuaj yeem ua rau cov phaj hlau puas.

Kev Tiv Thaiv: Tiv thaiv 4130 steel phaj los ntawm corrosion los ntawm kev siv cov txheej tiv thaiv tsim nyog, xws li xim, kua roj vanish, lossis xeb inhibitor. Qhov no tuaj yeem pab tiv thaiv cov phaj hlau los ntawm kev sib cuag nrog cov dej noo, oxygen, thiab lwm yam corrosive.

Cia: Khaws 4130 steel phaj rau hauv qhov chaw qhuav thiab qhov cua zoo. Tsis txhob khaws cia rau hauv qhov chaw ntub dej lossis qhov chaw ntub dej, vim qhov no tuaj yeem ua kom corrosion. Muab cov hlau phaj kom zoo kom tsis txhob deformation thiab puas.

Kev tuav: tuav 4130 steel phaj nrog kev saib xyuas kom tsis txhob khawb, dents, thiab lwm yam kev puas tsuaj. Siv cov cuab yeej nqa tsim nyog thiab cov cuab yeej tuav kom muaj kev nyab xeeb thiab tuav tau zoo.

 

V. Cov ntawv thov

 

4130 steel phaj yog dav siv nyob rau hauv ntau yam lag luam vim nws zoo heev txhua yam khoom thiab zoo. Qee qhov kev siv ntau ntawm 4130 steel phaj suav nrog:

 

Aerospace Kev Lag Luam: Siv rau hauv kev tsim cov khoom siv dav hlau, cov khoom siv cav, thiab cov khoom siv tsaws iav. Qhov siab zog-rau-qhov hnyav piv thiab kev qaug zog zoo heev ntawm 4130 steel phaj ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv aerospace.

Automotive Kev Lag Luam: Ua haujlwm hauv kev tsim cov tsheb sib tw, cov tshuab ua haujlwm siab, thiab cov tshuab raug tshem tawm. Lub zog thiab ruaj khov ntawm 4130 steel phaj ua rau nws zoo tagnrho rau kev tiv thaiv cov xwm txheej hnyav uas tau ntsib hauv kev lag luam tsheb.

Kev lag luam roj thiab roj: Siv rau kev tsim cov cuab yeej drilling, cov cuab yeej siv lub taub hau, thiab cov khoom siv hauv qab. Lub zog siab thiab corrosion tsis kam ntawm 4130 steel phaj yog qhov tseem ceeb rau kev tiv thaiv ib puag ncig hnyav uas tau ntsib hauv kev lag luam roj thiab roj.

Kev Lag Luam Kev Lag Luam: Siv rau hauv kev tsim cov cuab yeej thiab tuag, nrog rau cov hom phiaj engineering. Lub hardness thiab hnav tsis kam ntawm 4130 steel phaj ua rau nws tsim nyog rau kev txiav thiab kev ua haujlwm.

 

Hauv kev xaus, 4130 steel phaj yog ib qho tseem ceeb ntawm cov hlau alloy nrog cov khoom siv zoo heev, kev ruaj ntseg zoo, thiab kev saib xyuas. Nws cov tshuaj muaj pes tsawg leeg, ua ke nrog cov txheej txheem tsim khoom tsim nyog thiab kev tswj xyuas zoo, ua rau cov phaj hlau uas muaj zog heev thiab tsim nyog rau ntau yam kev siv. Txawm hais tias nws nyob hauv aerospace, tsheb, roj thiab roj, lossis kev tsim khoom, 4130 steel phaj tseem ua pov thawj nws tsim nyog raws li cov khoom siv txhim khu kev qha thiab ua haujlwm siab.

 

 

 

 

Cim npe nrov: 4130 steel phaj, Tuam Tshoj 4130 steel phaj lwm tus neeg, hoobkas