ASTM A1011 HSLAS Grade 70
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ASTM A1011 is a standard specification for hot-rolled, steel sheet and strip and coils of carbon steel, structural steel, high-strength low-alloy steel, high-strength low-alloy steel with improved formability, and ultra-high strength steel. The specification covers steel sheet, strip, and coils in thicknesses less than 0.230 in. A1011 High-Strength Low-Alloy Steel (HSLAS) Grade 70 has a specified minimum yield strength of 70 ksi.
| Grade | Product type | Thickness (in) |
Width (in) |
|---|---|---|---|
| HSLAS Grade 70 Class 1 | Coils | 0.188 - 0.229 | 60 - 98 |
Thickness: Inquire for thicknesses <0.188 in. down to 0.079 in.
Width: Inquire for widths <60 in. down to 39.4 in.
Tensile testing is performed in the longitudinal direction.
| Grade | Thickness (in) |
Yield strength (min ksi) |
Tensile strength (min ksi) |
Elongation in 2" (min %) |
|---|---|---|---|---|
| HSLAS Grade 70 Class 1 | 0.188 - 0.229 | 70 | 85 | 14 |
(Heat analysis, wt. %.)
| Grade | C (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Ti 1) (min %) |
V 1) (min %) |
Cb 1) (min %) |
Ni (max %) |
Mo (max %) |
Cu 2) (min %) |
Cr (max %) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HSLAS Grade 70 Class 1 | 0.26 | 1.65 | 0.04 | 0.04 | 0.005 | 0.005 | 0.005 | 0.20 | 0.16 | 0.20 | 0.15 |
1) One or more of Cb, V, and Ti may be added. When added the min for that element applies, if not added then there is no minimum requirement.
2) Copper steel with 0.20% minimum Cu.