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Estimated Mechanical Properties and Machinability Ratings of Carbon Steel Bars(a)


Estimated Minimum Values

AISI And
SAE No.

Type of
Processing

Tensile
Strength
psi

Yield
Strength
psi

Eiongation
In 2 in., %

Reduction
in Area, %

Brinell
Hardness

Average
Machinability
Rating (Cold
Drawn 1112=
100%)

1006

Hot rolled
Cold drawn

43,000
48,000

24,000
41,000

30
20

55
45

86
95


50

1008

Hot rolled
Cold drawn

44,000
49,000

24,500
41,500

30
20

55
45

86
95


55

1010

Hot rolled
Cold drawn

47,000
53,000

26,000
44,000

28
20

50
40

95
106


55

1012

Hot rolled
Cold drawn

48,000
54,000

26,500
45,000

28
19

50
40

95
105


55

1015

Hot rolled
Cold drawn

50,000
56,000

27,500
41,000

20
18

50
40

101
111


60

1016

Hot rolled
Cold drawn

55,000
61,000

30,000
51,000

25
18

50
40

111
121


70

1017

Hot rolled
Cold drawn

53,000
59,000

29,000
49,000

26
16

50
40

105
116


65

1018

Hot rolled
Cold drawn

58,000
84,000

32,000
54,000

25
15

50
40

118
126


70

1019

Hot Rolled
Cold drawn

59,000
66,000

32,500
55,000

25
15

50
40

118
131


70

1020

Hot rolled
Cold drawn

55,000
61,000

30,000
51,000

25
15

50
40

111
121


65

1021

Hot rolled
Cold drawn

61,000
68,000

33,000
57,000

24
15

48
40

116
131


70

1022

Hot rolled
Cold drawn

62,000
69,000

34,000
58,000

23
15

47
40

121
137


70

1023

Hot rolled
Cold drawn

58,000
52,000

31,000
52,500

25
15

50
40

111
121


65

1025

Hot rolled
Cold drawn

58,000
64,000

32,000
54,000

25
15

50
40

118
126


65

1026

Hot rolled
Cold drawn

64,000
71,000

35,000
60,000

24
15

49
40

126
143


75

1030

Hot rolled
Cold drawn

68,000
76,000

37,500
64,000

20
12

42
35

137
149


70

1035

Hot rolled
Cold drawn

72,000
60,000

39,500
67,000

18
12

40
35

143
163


65

1037

Hot rolled
Cold drawn

74,000
82,000

40,500
69,000

18
12

40
35

143
167


65

1038

Hot rolled
Cold drawn

75,000
83,000

41,000
70,000

18
12

40
35

149
163


65

1039

Hot rolled
Cold drawn

79,000
88,000

43,500
74,000

16
12

40
35

156
179


60

1040

Hot rolled
Cold drawn

76,000
85,000

42,000
71,000

18
12

40
35

149
170


60

1042

Hot rolled
Cold drawn
NCDb

80,000
89,000
85,000

44,000
75,000
73,000

16
12
12

40
35
45

163
179
179


60
70

1043

Hot rolled
Cold drawn
NCDb

82,000
91,000
87,000

45,000
77,000
75,000

16
12
12

40
35
45

163
179
179


60
70

1044

Hot rolled

80,000

44,000

16

40

163


1045

Hot rolled
Cold drawn
ACDa

82,000
91,000
85,000

45,000
77,000
73,000

16
12
12

40
35
45

163
179
170


55
65

1046

Hot rolled
Cold drawn
ACDa

85,000
94,000
90,000

47,000
79,000
75,000

15
12
12

40
35
45

170
187
179


55
65

a ACD represents annealed cold drawn.
b NCD represents normalized cold drawn.

Estimated Minimum Values

AISI and
SAE No,

Type of
Processing

Tensile
Strength,
psi

Yeild
Strength
psi

Eiongation
In 2 in,, %

Reduction
in Area, %

Brinell
Hardness

Average
Machinability
Rating (Cold
Drawn 1112-
100%)

1049

Hot rolled
Cold drawn
ACDa

87,000
97,000
92,000

48,000
81,500
77,000

15
10
10

35
30
40

179
197
187


45
55

1050

Hot rolled
Cold drawn
ACDa

90,000
100,000
95,000

49,500
84,000
80,000

15
10
10

35
30
40

179
197
189


45
55

1055

Hot rolled
ACDa

94,000
96,000

51,500
81,000

12
10

30
40

192
197


55

1060

Hot rolled
SACDc

98,000
90,000

54,000
70,000

12
10

30
45

201
183


60

1064

Hot rolled
SACDc

97,000
89,000

53,500
69,000

12
10

30
45

201
183


60

1065

Hot rolled
SACDc

100,000
92,000

55,000
71,000

12
10

30
45

207
187


60

1070

Hot rolled
SACDc

102,000
93,000

56,000
72,000

12
10

30
45

212
192


55

1074

Hot rolled
SACDc

105,000
94,500

58,000
73,000

12
10

30
40

217
192


55

1078

Hot rolled
SACDc

100,000
94,000

65,000
72,500

12
10

30
40

207
192


55

1080

Hot rolled
SACDc

112,000
98,000

61,500
74,000

10
10

25
40

229
192


45

1084

Hot rolled
SACDc

119,000
100,000

65,500
77,000

10
10

25
40

241
192


45

1085

Hot rolled
SACDc

121,000
100,500

66,500
78,000

10
10

25
40

248
192


45

1088

Hot rolled
SACDc

112,000
97,000

61,500
74,000

10
10

25
40

229
192


45

1090

Hot rolled
SACDc

122,000
101,000

67,000
71,000

10
10

25
40

248
197


45

1095

Hot rolled
SACDc

120,000
99,000

66,000
76,000

10
10

25
40

248
197


45

1524*

Hot rolled
Cold drawn

74,000
82,000

41,000
69,000

20
12

42
35

149
163


60

1527*

Hot rolled
Cold drawn

75,000
63,000

41,000
70,000

18
12

40
35

149
163


65

1536*

Hot rolled
Cold drawn

83,000
92,000

45,500
77,500

16
12

40
35

163
187


56

1541*

Hot rolled
Cold drawn
ACDa

92,000
102,500
94,000

51,000
87,000
80,000

15
10
10

40
30
46

187
207
184


45
60

1547*

Hot rolled
Cold drawn
ACDa

94,000
103,000
95,000

52,000
88,000
85,000

15
10
10

30
28
35

192
207
187


40
45

1548*

Hot rolled
Cold drawn
ACDa

96,000
106,500
93,500

53,000
89,500
78,500

14
10
10

33
28
35

197
217
192


45
50

1552*

Hot rolled
ACDa

108,000
98,000

59,500
83,000

12
10

30
40

217
193


50

a ACD represents annealed cold drawn.
b NCO represents normalized cold drawn.
c SACD represents spheroidized annealed cold drawn.


*These grades with max. Mn in excess of 1%, have been renumbered 1500 series.

Estimated Minimum Values

AISI and
SAE No.,

Type of
Processing

Tensile
Strength,
psi

Yeild
Strength,
psi

Eiongation
In 2 in., %

Reduction
In Area, %

Brinell
Hardness

Average
Machinability
Rating (Cold
Drawn 1112
100%)

1108

Hot rolled
Cold drawn

50,000
56,000

27,500
47,000

30
20

50
40

101
121


80

1109

Hot rolled
Cold drawn

50,000
56,000

27,500
47,000

30
20

50
40

101
121


80

1117

Hot rolled
Cold drawn

62,000
69,000

34,000
58,000

23
15

47
40

121
137


90

1118

Hot rolled
Cold drawn

65,000
72,000

36,000
61,000

23
15

47
40

131
143

85

1119

Hot rolled
Cold drawn

62,000
69,000

34,000
58,000

23
15

47
40

121
137

100

1132

Hot rolled
Cold drawn

83,000
92,000

45,500
77,000

16
12

40
35

167
183

75

1137

Hot rolled
Cold drawn

88,000
98,000

48,000
82,000

15
10

35
30

179
197

70

1140

Hot rolled
Cold drawn

79,000
88,000

43,500
74,000

16
12

40
35

156
170

70

1141

Hot rolled
Cold drawn

94,000
105,000

51,500
88,000

15
10

35
30

187
212

70

1144

Hot rolled
Cold drawn

97,000
108,000

53,000
90,000

15
10

35
30

197
217

80

1145

Hot rolled
Cold drawn

85,000
94,000

47,000
80,000

15
12

40
35

170
187

65

1148

Hot rolled
Cold drawn

55,000
94,000

47,000
80,000

15
12

40
35

170
187

70

1151

Hot rolled
Cold drawn

92,000
102,000

50,500
86,000

15
10

35
30

187
207

65

1211

Hot rolled
Cold drawn

55,000
75,000

33,000
58,000

25
10

45
35

121
163

95

1212

Hot rolled
Cold drawn

56,000
78,000

33,500
60,000

25
10

45
35

121
167

100

1213

Hot rolled
Cold drawn

56,000
78,000

33,500
60,000

25
10

45
35

121
167

135

12L14

Hot rolled
Cold drawn

57,000
78,000

34,000
60,000

22
10

45
35

121
163

160

(a)All 1100 and 1200 series steels are rated on the basis of .10 max silicon or coarse grain melting practice,