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DIN 1695-81 for Wear Resisting Cast Iron

This is a Germany standard for the physical properties and chemical analysis of wear resisting cast iron, or abrasion resistant cast iron. The types of wear resisting cast iron includes antifriction cast iron and anti-wear cast iron. Wear resisting cast iron has higher hardness and wears resistance. Moreover, its life time is very long. Wear resisting cast iron are widely used in the machine bed, engine cylinder liner, pistons, bearing, etc.

The following is the main content of DIN 1695-81 provided by Dandong Foundry in China for your reference.

Grade and chemical analysis of check wear resisting cast iron (mass fraction) (%)

Steel number

Material No
W-Hr.

C

Si

Mn

Cr

Ni

Mo

G-X300NiMo3Mg

0.9610

2.8~3.5

0.2~0.6

0.2~0.5

-

1.5~4.5

0.5~0.8

G-X260NiCr42

0.9620

2.6~2.9

0.2~0.8

0.3~0.7

1.4~2.4

3.3~5.0

≤0.5

G-X330NiCr

0.9525

3.0~3.6

0.2~0.8

0.3~0.7

1.4~2.4

3.3~5.0

≤0.5

G-X300CrNi952

0.9630

2.5~3.5

1.5~2.2

0.3~0.7

8~10

4.5~6.5

≤0.5

G-X300CrMo153

0.9635

2.3~3.6

0.2~0.8

0.5~1.0

14~17

≤0.7

1.0~3.0

G-X300CrMoNi1521

0.9640

2.3~3.6

0.2~0.8

0.5~1.0

14~17

0.8~1.2

1.8~2.2

G-X260CrMoNi2021

0.9645

2.3~2.9

0.2~0.8

0.5~1.0

18~22

0.8~1.2

1.4~2.0

G-X260Cr27

0.9650

2.3~2.9

0.5~1.5

0.5~1.5

24~28

≤1.2

≤1.0

G-X300CrMo271

0.9655

3.0~3.5

0.2~1.0

0.5~1.0

23~28

≤1.2

1.0~2.0

Mechanical properties and characteristics of wear resisting cast iron

Steel number

Material No
W-Nr.

Tensile strength
σb≥/Mpa

Elastic modulo
E/GPa

Characteristics

G-X300NiMo3Mg

0.9610

700~1200

165~180

high strength cast iron is the material with best impact property under this standard and among kinds of grade

G-X260NiCr42

0.9620

320~390

169~183

high wear resistant property, used in middle impact load castings

G-X330NiCr42

0.9525

280~350

169~183

G-X300CrNi952

0.9630

500~600

169

good wear resistant property, used in high impact load castings, Impact toughness decreases while the carbon content increases

G-X300CrMo153

0.9635

450~1000

154~190

G-X300CrMoNi1521

0.9640

450~1000

154~190

besides the above characteristics, it also has good harden ability

G-X260CrMoNi2021

0.9645

450~1000

154~190

G-X260Cr27

0.9650

560~960

154~190

good wear resistant property, Impact toughness decreases while carbon content increases

G-X300CrMo271

0.9655

450~1000

-

 Hardness and microstructure of wear resisting cast iron 

Grade

Material No

W-Nr.

HV30

Microstructure

Hardness of minimum value after special heat treatment

Hardness of minimum value after quenching or quenching and tempering

Maximal hardness value after softening annealing

G-X300NiMo3Mg

0.9610

450

520

-

Commonly, there is no carbide in the structure of Bainite and (or) martensite, nodular graphite

G-X260NiCr42

G-X330NiCr42

0.9620

0.9625

450

450

520

-

there distributes cementite on martensite matrix

G-X300CrNi952

0.9630

450

600

-

there distributes carbonize chrome on martensite matrix, sometimes exists residual austenitic

G-X300CrMo153

G-X300CrMoNi1521

G-X260CrMoNi2021

G-X260Cr27

G-X300CrMo271

0.9635

0.9640

0.9645

0..9650

0.9655

450

450

450

450

450

600

600

600

550

600

400

400

420

420

400

400

According to chemical analysis and heat-treatment, matrix can be made of pearlite, martensite or austenitic with carbonize chrome on it

 

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