Metal Specifications Image


GRAY IRON (ASTM A-48, A-126, A278, A319)

 

Class/Grade

20

30

40

50

60

Min.Tensile Strength (PSI)

20,000

30,000

40,000

50,000

60,000

Brinell Hardness

170-229

187-241

217-269

 

 

DUCTILE IRON (ASTM A-395, A-476, A536)

Class/Grade

60-40-18

65-45-12

80-55-06

100-70-03

120-90-02

Min.Tensile Strength (PSI)

60,000

65,000

80,000

100,000

120,000

Min Yield (PSI)

40,000

45,000

55,000

70,000

90,000

Elongation (%)

18

12

6

3

2

Brinell Hardness

170 max.

156-217

187-255

241-302

As Specified

 

NI-RESIST IRON(ASTM A-436)

Type Min.Tensile Strength (PSI) Brinell Hardness
1 25,000 131-183
1b 30,000 149-212
2 25,000 118-174
2b 30,000 171-258

 

DUCTILE NI-RESIST(ASTM A-439, A571)

Class/Grade Min.Tensile Strength (PSI) Min Yield (PSI) Elongation (%) Brinell Hardness
D-2 58,000 30,000 8 139-202
D-2b 58,000 30,000 7 148-211
D-2M (class 1) 65,000 30,000 30 121-171
D-2 (class2) 60,000 25,000 25 111-171

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