aceros de la válvula

no.

tipo

gb

bs

es

estruendo

sae

jis

1

martensítico

40cr10si2mo

4cr10si2mo

—

x40crsimo10-2
(1.4731)

—

suh3

2

42cr9si2

4cr9si2

—

—

—

—

3

45cr9si3

5cr9si3

x45crsi93

x45crsi9-3
(1.4718)

hnv3

suh1

4

51cr8si2

5cr8si2

x51crsi82

—

—

suh11

5

85cr18mo2v

x85

x85crmov182

x85crmov18-2
(1.4748)

—

—

6

austenítico

20cr21ni12n

21-12n

—

—

ev4

suh37

7

33cr23ni8mn3n

23-8n

x33crnimnn238

x33crnimnn23-8
(1.4866)

ev16

—

8

45cr14ni14w2mo

—

—

—

—

suh31

9

50cr21mn9ni4nb2wn

21-4nwnb

x50crmnninbn219

x50crmnninbn21-9
(1.4882)

—

—

10

53cr21mn9ni4n

21-4n

x53crmnnin219

x53crmnnin21-9
(1.4871)

ev8

suh35

11

55cr21mn8ni2n

21-2n

x55crmnnin208

x55crmnnin20-8
(1.4875)

ev12

—

12

61cr21mn10mo1v1nb1n

x60

—

—

—

—

13

gh4751

innum551、751

nicr15fe7tial

—

hev3

—

14

gh4080a

ncf80a、80a

nicr20tial

nicr20tial
(2.4952)

hev5

—

15

gh2030ni

ni30

—

—

—

ncf3015

calificaciones

do

minnesota

si

s max

pmax

cr

mes

ni

w

norte

nb+ta

cu

ti

alabama

ceñudo

v

x45c-si9-3/[en-52]

0.40-0.50

0.60 max

2.70-3.30

0.030

0.040

8.00-10.00

-

0.50 max

-

-

uno

suh-11

0.45-0.55

0.60 max

1.00-2.00

0.030

0.030

7.50-9.50

0.60 max

-

-

-

-

suh-3

0.35-0.45

0.60 max

.80-2.50

0.030

0.030

10.0-12.00

0.70-1.30

0.60 max

0.30 max

-

x85cmov18-2

0.80-0.90

1.50 max

1.00 max

0.030

0.040

16.50-18.50

2.00-2.50

-

-

-

-

-

-

0.30-0.60

21-2n

0.50-0.60

7.00-10.00

0.25 max

0.030

0.045

19.50-21.50

1.50-2.75

0.20-0.40

-

-

21-4n

0.48-0.58

8.00-10.00

0.25 max

0.030

0.045

20.00-22.00

-

3.25-4.50

0.35-0.50

-

21-12n

0.15-0.25

1.50 max

0.70-1.25

0.030

0.050

20.0-22.00

10.50-12.50

-

0.15-0.25

-

21-43n

0.45-0.55

8.00-10.00

0.45 max

0.030

0.045

20.00-22.00

-

3.50-5.50

0.80-1.50

040-0.60

1.80-2.50

-

23-8n

0.28-0.38

1.50-3.50

0.50-1.00

0.030

0.045

2200-24.00

0.50 max

7.00-9.00

0.50 max

0.25-0.35

-

-

-

-

sinel751

0.03-0.10

0.50 max

0.50 max

0.015

0.015

14.0-17.0

0.05 max

base

-

-

0.70-1.20

0.50 max

2.00-2.60

1.10-1.35

5.00-9.00

calificación

condición

resistencia de rendimiento n/mm²

resistencia a la tracción n/mm²

%alargamiento

mínimo

%reducción en el área min

hrc

en-52/x45crsi9-3

h&t

700

900-1100

14

40

25-35

suh-11

h&t

700

900-1100

14

40

25-35

suh-3

h&t

700

900-1100

14

40

25-35

x85crmov18-2

h&t

800

1000-1200

7

12

25 min

21-2n

solución recocida

550

900-1150

8

10

30-40

21-4n

solución recocida

580

950-1200

8

10

30-40

21-12n

solución recocida

400

800

35

45

23-25

21-43n

solución recocida

580

950-1150

10

12

30 minutos

23-8n

solución recocida

550

850-1100

25

30

25 min

inconel 751

solución recocida

630-850

1100-1300

12

20

32-40