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Material Comparison between ASTM A-276 – MONEL – ASTM A-453


ASTM

A-276

MONEL

A-453 (1)

Grado 309 310 400 K 500 660 651 662 665
CHEMICAL REQUERIMENTS
(c) Carbon < 0,20

<0,25

<0,15

<0,13

<0,08

0,28-0,35

<0,08

<0,08

(Mn) Manganese

<2

<2

<1

<0,75

2 máx

0,75-1,15

0,40-1

1,25-2

(P) Phosphorus

<0,045

<0,045

   

<0,04

<0,04

<0,04

<0,04

(S) Azufre

<0,03

<0,012

<0,005

<0,03

<0,03

<0,03

<0,03

<0,03

(Si) Silicon

<1

<1,5

0,25 máx

<0,5

1 máx

0,3-0,8

0,4-1

0,1-0,8

(Ni) Niquel

12-15

19-22

63-70

63-70

24-27

8-11

24-28

24-28

(Cr) Chromium

22-24

22-26

   

13,5-16

18-21 12-15 12-15

(Mo) Molybdenum

       

1-1,5

1-1,75

2-3,5 1,25-2,25

(Al) Aluminium

             

0,23-0,35

(Cu) Copper    

<30

<30

 

<50

<50

<25

(V) Vanadium

       

0,10-0,50

     
(W) Tungsten           1-1,75    

(B) Boron

       

0,001-0,01

 

0,001-0,01

0,01-0,07
(Nb) Columbium         1-1,5 0,25-0,60

2-3,5

1,25-2,25

(Ti) Titanium       0,25-1

1,9-2,35

0,10-0,35

1,8-2,1

2,7-3,3


MECHANICAL REQUERIMENTS
              A B A B A B
Tensile Strength(min)
Lbs/ in2

75.000

75.000

68.000/ 118.000*
88.000/ 186.000*

130.000

100.000

95.000

130.000

125.000

170.000

125.000
Kg/ mm2
53 53 48-83* 62-131* 91 70,5 66,8 91 87,8 119 108.8
Yield Strength (minimo) Kg/ mm2

30.000

30.000

35.000/ 98.000* 57.000/ 156.000* 85.000

70.000

60.000

85.000

80.000

120.000

120.000

Kg/ mm2 21 21 25-69* 40-110* 60 49.5 42 59,8 56,3 84 84

Elong. (%) (min.)

40

40

22-60* 20-45* 15 18 18 15 15 12 12

Reduct. (%) (min.)

50 50     18 35 35 18 18 15 15
                         
Brinell Hardness    

110 min

140 min

248-341

217-277

210-270

255-321

248-321

311-388

311-388

**The minimum and maximum values of the mechanical properties vary according to the final heat treatment.
** Trademark
1) For design temperatures above 427 ºC tests shall be performed at 650 ºC. For studs and nuts as per ASTM A-276 and MONEL the material applied is the same for both. However, such elements should be requested as per ASTM A-453, nuts should be manufactured according to ASTM A-194 Gr.B8T.

 


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