| Minimum Mechanical Properties |
| Steel Grade |
Tensile strength ,min Ksi Mpa |
Yield strength min Ksi Mpa |
Elongation in 2 inches
(50 mm)% min. |
| ASTM A-36 / A-36 M |
58-80 ( 400-550 ) |
36 ( 250 ) |
23 |
| ASTM A-283 / A-283 M gr A |
45-60 ( 310-415 ) |
24 ( 165 ) |
30 |
| ASTM A-283 / A-283 M gr B |
50-65 ( 345-450 ) |
27 ( 215 ) |
28 |
| ASTM A-283 / A-283 M gr C |
55-75 ( 380-515 ) |
30 ( 205 ) |
25 |
| ASTM A-283 / A-283 M gr D |
60-80 ( 415-550 ) |
33 ( 230 ) |
23 |
| ASTM A-285 / A-285 M gr A |
45-65 ( 310-450 ) |
24 ( 165 ) |
30 |
| ASTM A-285 / A-285 M gr B |
50-70 ( 345-485 ) |
27 ( 215 ) |
28 |
| ASTM A-285 / A-285 M gr C |
55-75 ( 380-515 ) |
30 ( 205 ) |
27 |
| ASTM A-570 / A-570 M gr 30 |
49 ( 340 ) |
30 ( 205 ) |
25 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 33 |
52 ( 360 ) |
33 ( 230 ) |
23 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 36 |
53 ( 365 ) |
36 ( 250 ) |
22 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 40 |
55 ( 380 ) |
40 ( 275 ) |
21 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 45 |
60 ( 415 ) |
45 ( 310 ) |
19 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 50 |
65 ( 450 ) |
50 ( 345 ) |
17 ( 6 @ 2.5 mm ) |
| ASTM A-570 / A-570 M gr 55 |
70 ( 480 ) |
55 ( 380 ) |
15 ( 6 @ 2.5 mm ) |
