ASME SA588 grade A material has high strength up to minimum tensile point 70ksi [485MPa] when thickness less than 100mm. As a leading supplier and exporter of SA588 grade A steel plates, we can supply SA588 grade A steel plates up to 200mm. The type of this material is available in plates, sheets,round bars and steel sections.
ASME SA588 specification covers three grades (Grade A, B, and K) high-strength, low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction with atmospheric corrosion resistance.
ASME SA588 grade A material equivalent
| Material # |
EN 10155 |
UNI |
BS 4360 |
ASTM A588 |
ASTM A242 |
| 1.8959 |
S355J0W |
Fe 510 C2K1 |
WR 50 B |
A588 Grade A |
A242 Type 1 |
Chemical requirement (%)
| Element |
Grade A |
| Carbon max. |
0.19 |
| Manganese |
0.80-1.25 |
| Phosphorus |
0.030 |
| Sulfur max. |
0.030 |
| Silicon max. |
0.30-0.65 |
| Nickel max. |
0.40 |
| Chromium |
0.40-0.65 |
| Copper |
0.25-0.40 |
| Vanadium |
0.02-0.10 |
Mechanical properties
| Types |
Plates and bars |
Structural shapes |
| Thickness |
＜100mm |
100-125mm |
125-200 |
All |
| Tensile strength, kis [MPa] |
70[485] |
67[460] |
63[435] |
70[485] |
| Yield strength, min, kis [MPa] |
50[345] |
46[315] |
42[290] |
50[345] |
| Elongation in 8 in. [200mm], min, % |
18 |
|
|
18 |
| Elongation in 2 in. [50 mm], min, % |
21 |
21 |
21 |
21 |
ASME SA588 grade A plates and SA588 grade A steel sheets are widely used in air preheater, economizer, railway carriage, containers production, bridge building, construction and so on.
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