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MIM Materials

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MIMMIM - An Epoch-Making Technology for Innovative Automotive Engineering- An Epoch-Making Technology fo

Applicationsbody/chassis

Applicationsengine/gearbox

Modern automotive engineering today is oriented at safety, energy effi ciency and economy. But luxury and driving pleasure should not be neglected in the car design either. As the number of components is growing and their functional complexity increases, high performance materials such as high strength and enduring metals are gaining more and more importance in part de-sign for car manufacturers and their suppliers. By using MIM technology, engineers take advan-tage of a freedom of design that so far was only applicable to plastics.The following lists of materials provide an overview of the MIM materials that are used today in automotive engineering.

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MIM - An Epoch-Making Technology for Innovative Automotive Engineeringor Innovative Automotive Engineering

Cementation Steels

Heat Treatable Steels

Material Sintered Heat treated Chemical composition

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

C[%]1

Ni[%]1

Cr[%]1

Mo[%]1

IMET Ni 2 280 140 25 90 > 7,40 by agreement < 0,1 1,90-2,20

IMET Ni 8 350 200 15 90 > 7,40 by agreement < 0,1 7,50-8,50

IMET Ni Cr Mo 2 650 400 3 200 > 7,40 by agreement 0,12-0,23 0,40-0,70 0,40-0,60 0,15-0,25


Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardness[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardness[HV 10]

C[%]1

Ni[%]1

Cr[%]1

Mo[%]1

Mn[%]1

Si[%]1

IMET Ni 2C 450 250 5 170 > 7,40 1000 6000,40-0,70

1,90-2,20

IMET Ni 8C 700 350 3 320 > 7,40 1000 6000,40-0,70

7,50-8,50

IMET Cr Mo 4 600 350 4 110 > 7,40 1350 1150 2 4500,32-0,43

0,90-1,20

0,15-0,30

IMET 8740 600 350 5 180 >7,40 1600 1100 4500,45-0,55

0,50-0,80

0,40-0,60

0,25-0,40

<0,10,30-0,55

IMET Cr 6 950 630 5 250 > 7,40 6500,80-1,05

1,35-1,65


Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

C[%]1

Ni[%]1

Cr[%]1

Mo[%]1

Mn[%]1

Si[%]1

IMET 316 L 450 160 40 105 > 7,60 < 0,0310,00-14,00

16,00-18,00

2,00-3,00

< 2,00 < 1,00

IMET 430 L 350 200 20 190 > 7,40 < 0,0815,50-17,50

< 1,00 < 1,00

IMET 17-4 PH 800 700 3 250 > 7,50 1000 950 2 350 < 0,073,00-5,00

15,00-17,50

< 1,00 < 1,00

Corrosion Resistant Steels

41) Percent by weight

Other designation Properties Applications

Mn[%]1

Si[%]1

Cu[%]1

Fe[%]1

Mat no: DIN

AISI/SAE Others

balASTM MIM - 2200

carbonyl iron with 2% nickel high strength, fatigue strength, high

surface hardnessmechanical engineering

balcarbonyl iron with 8% nickel

bal 1.6523AISI/SAE 8620

21 NiCrMo 2for parts with the highest mechanical loading, high surface hardness

gear segments, crown wheels, cam-shafts, tools, mechanical engineering


Fe[%]1

Mat no: DIN

AISI/SAE Others


excellent surface fi nish, high strength miscellaneous applications (e. g. mechanical engi-neering, fi rearm components)



42 CrMo 4high strength and ductility, large heat treated diameter

mechanical engineering, fi rearms, gearbox com-ponents


40NiCrMo2 2wear resistant, highly loaded components in me-chanical engineering and automotive industry


100 Cr 6cold working tool steel, high wear resistance, high hardness

mechanical engineering


Cu[%]1

Nb[%]1

Fe[%]1

Mat no:DIN

AISI/SAE Others

bal 1.4404 AISI 316 LX 2 CrNiMo 17 13 2

excellent corrosion resistance, austenitic, non-magnetic, moderate hardness, high duc-tility, excellent polished surface and shape reproduction

apparatus engineering, chemical industry, watchmaking and jewelle-ry, medical technology

bal 1.4016 AISI 430 X 6 Cr 17 high strength and corrosion resistance, ferritic automotive industry

3,00- 5,00

0,15-0,45

bal 1.4542SAE J 467 (17-4PH)

X 5 CrNi-CuNb 17 4

high corrosion resistance, martensitic, ferro-magnetic, precipitation hardening

pump components, medical engineering, automotive industry, mechanical engineering, aircraft and shipbuilding industries

5Rm: ultimate tensile strength RP0.2: yield strength A: elongation to fracture

Soft Magnetic Steels

Material Sintered Heat treated Chemical compo

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardness[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

C[%]1

Ni[%]1

Cr[%]1

Mo[%]1

IMET Si 3 450 300 20 160 > 7,40 < 0,10 2,50-3,00

IMET FN 50 400 150 25 110 > 7,40 < 0,10 49,50-50,50

IMET F S 220 100 40 60 > 7,40 < 0,10

Material Sintered Heat treated Chemical comp

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

C[%]1

Ni[%]1

Cr[%]1

Mo[%]1

IMET GHS-4 *) 700 550 1 310 >7,70 2,0-2,4 38,0-42,0 11,0-13,0 5,0-7,0

IMET 310N **) 650 380 7 220 >7,55 0,20-0,50 19-22 24-26


Rm

[MPa] Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

C[%]1

Cr[%]1

Co[%]1

Al[%]1

Ti[%]1

IMET N 90 ***) > 7,8 1100 650 ≥ 10 ≥ 300 ≤ 0,13 18,0-21,0 15,0-21,0 1,0-2,0 3,0-4,0

Alloys for High Temperature Applications

*) Heat and wear resistant alloy **) Heat resistant alloy

***) Superalloy

Tool Steels

Material Sintered Heat treated Chemical com

Rm

[MPa] Rp 0.2

[MPa]A[%]

Hardn.[HV 10]

Density[g/cm³]

Rm

[MPa]Rp 0.2

[MPa]A[%]

Hardness[HV 10]

C[%]1

Cr[%]1

W[%]1

IMET M2 1100 700 1 480 > 7,70 800 0,95-1,05 3,80-4,50 5,50-6,75

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1) Percent by weight

osition Other designation Properties Applications

Mn[%]1

Si[%]1

Cu[%]1

Fe[%]1

Mat no: DIN

AISI/SAE Others

bal 1.0884Carbonyleisen mit 3% Silizium relatively high permea-

bility

for pole shoes and relay components (where fast magnetic reversal is required)

bal 1.3926Carbonyleisen mit 50% Nickel pole shoes, relay parts, rotors, stators,

etc.bal Carbonyleisen high polarisation

position Other designation Properties Applications

Si[%]1

Mn[%]1

V[%]1

Fe[%]1

Mat no:DIN

AISI/SAE Others

1,5-1,9 0,8-1,3 0,8-1,0 bal PI Ni 40 Cr 12 Mo 6high application temperature, wear resistant

turbocharger

0,75-1,30 <1,5 bal 1.4848 ACI HK 30 G- X40 CrNiSi 25 20 application temperature up to 850 °C turbocharger

n Other designation Properties Applications

Mn[%]1

Si[%]1

Fe[%]1

Ni[%]1

Mat no:DIN

AISI/SAE Others

≤ 1,0 ≤ 1,0 ≤ 1,5 bal 2.4632SAE J775 (HEV-6)

NiCr 20 Co 18 Tinickel base alloy for highest tempera-ture applications

turbocharger

position Other designation Properties Applications

Mo[%]1

V[%]1

Fe[%]1

Mat no:DIN

AISI/SAE Others

4,50-5,50 1,75-2,20 bal 1.3342 AISI M2 SC 6-5-2wear resistant high-speed steel

cutting knives, nozzles

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Rm: ultimate tensile strength RP0.2: yield strength A: elongation to fracture

About GKN Sinter Metals

GKN Sinter Metals – a wholly ownedsubsidiary of U.K.-based GKN plc,a global industrial company – is theworld’s largest producer of precisionpowder metal products. With a focuson superior delivery, quality and totalsolutions, the company offersextensive technical expertise indesign, testing and various processtechnologies. GKN Sinter Metalsoffers a full range of more than10,000 complex shape, highstrengthproducts for the automotive,commercial vehicle, homeappliance, lawn and garden, offi ceequipment, power tool, recreationalvehicle and process industry markets.The company’s global footprintspans more than 13 countriesacross fi ve continents. GKN SinterMetals is in close proximity to itscustomers with more than 30 globallocations and a workforce ofapproximately 6,500 employees.

For more information about GKN’sworld of solutions visit www.gknsintermetals.com

ArgentinaGKN Sinter Metals de Argentina SAAv. Villarino 345B6620MJD Chivilcoy (Provincia de Buenos Aires)ArgentinaE-Mail: [email protected]: 54-2346-433962Fax: 54-2346-433964

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Phone: 81-(0)6-6325-1303Fax: 81-(0)6-6325-1307

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© Copyright by GKN Sinter Metals - Rev. 1.0

GKN Sinter Metals GmbH, Bad LangensalzaAm Fliegerhorst 9D-99947 Bad LangensalzaE-Mail: [email protected]: +49 3603 8959-0Fax: +49 3603 8959-99

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