Approximate Comparison
of Tensile Strength

Tons are long tons of 2240 lbs.


Ton/in2
P.S.I.
kg/mm2
N/mm2
or MPa
Tons/in2
P.S.I.
kg/mm2
N/mm2
or MPa
 16
20
23
26
29
30
32
33
35
36
39
40
42
45
46
49
50
52
55
58
60
62
65
68
70
71
75
78
37,000
45,000
51,500
58,000
65,000
67,000
72,000
74,000
78,500
81,000
87,500
90,000
94,000
101,000
103,000
110,333
112,000
116,500
123,000
130,000
134,500
139,000
146,000
153,000
157,000
159,000
168,000
175,000
25.8
31.6
36.5
40.8
45.7
47.1
50.6
52.0
55.5
57.0
61.8
63.3
66.0
71.0
72.5
77.3
78.75
82.0
86.5
91.4
94.5
97.7
102.6
107.5
110.4
111.8
118.0
123.0
 250
309
355
402
448
463
494
510
541
556
602
618
649
695
710
757
772
803
849
896
927
957.5
1004
1050
1081
1097
1158
1205
80
81
84
85
88
90
91
94
95
97
100
104
105
107
110
113
115
117
120
123
125
126
130
133
135
136
140
180,000
182,000
188,000
190,000
197,000
202,000
204,000
210,000
213,000
217,000
224,000
233,000
235,000
240,000
246,500
253,000
257,600
262,000
269,000
275,500
280,000
282,500
291,000
298,000
302,400
304,500
313,600
 126.0
128.0
132.2
133.6
138.5
142.0
143.4
148.4
149.7
152.6
157.5
163.8
165.4
168.5
173.2
178.0
181.1
184.3
189.0
194.0
197.0
198.0
205.0
209.0
213.0
214.0
221.0
 1236
1251
1297
1313
1359
1390
1405
1452
1467
1498
1544
1606
1622
1653
1699
1745
1776
1807
1853
1900
1931
1946
2000
2054
2085
2010
2162

Index