1018 is an AISI designation that specifies chemistry only although standards other than the general ASTM/SA-A29 might specify. AISI 1018 is a carbon steel with a nominal carbon content of 0.18%.
For example:
A/SA-311 Specification for cold-drawn, stress-relieved carbon steel bars subject to mechanical property requirements
Varies on diameter/thickness
Thickness/diameter in. (mm) |
Tensile ksi (MPa) |
Yield ksi (MPa) |
Elongation - RA |
< 7/8 (20) |
70 (480) |
60 (415) |
18 - 40 |
>7/8 (20) to < 1¼ (30) |
65 (450) |
55 (380) |
16 - 40 |
>1¼ (30) to < 2 (50) |
60 (415) |
50 (345) |
15 - 35 |
>2 (50) to < 3 (75) |
55 (380) |
45 (310) |
15 - 35 |
|
|
|
|
You might also look at other specifications referenced in A/SA-29.
Hope this helps. Code is fun. “Live long and prosper” (Mr. Spock)
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