ASTM A588 weather resistant steel plate is a high strength steel that offers all the advantages of A572 Gr. 50 but with excellent corrosion resistance to the el
ASTM A588 weather resistant steel plate is a high strength steel that offers all the advantages of A572 Gr. 50 but with excellent corrosion resistance to the elements. The elevated levels of copper in ASTM A588 weather resistant steel plate produces a self healing characteristic that produces a natural red oxide patina look.
ASTM A588 weather resistant steel plate chemical composition:
| ASTM A588 | A588 Gr.A | A588 Gr.B | A588 Gr.C | A588 Gr.K |
| C | ≤ 0.19 | ≤0.20 | ≤0.15 | ≤0.17 |
| Mn | 0.80-1.25 | 0.75-1.35 | 0.80-1.35 | 0.50-1.20 |
| P | ≤0.04 | ≤0.04 | ≤0.04 | ≤0.04 |
| S | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 |
| Si | 0.30-0.65 | 0.15-0.50 | 0.15-0.40 | 0.25-0.50 |
| Ni | ≤0.40 | ≤0.50 | 0.25-0.50 | ≤0.40 |
| Cr | 0.40-0.65 | 0.40-0.70 | 0.30-0.50 | 0.40-0.70 |
| Mo | - | - | - | ≤0.10 |
| Cu | 0.25-0.40 | 0.20-0.40 | 0.20-0.50 | 0.30-0.50 |
| V | 0.02-0.10 | 0.01-0.10 | 0.01-0.10 | - |
| Nb | - | - | - | 0.005-0.50 |
ASTM A588 weather resistant steel plate mechanical properties:
| ASTM A588 | <100mm | ≥100-125mm | >125-200 |
| Tensile strength min MPa | 485 | 460 | 435 |
| Yield strength min MPa | 345 | 315 | 290 |
| Elongation min | 21 | 21 | 21 |
ASTM A588 weather resistant steel plate application:
ASTM A588 weather resistant steel plate is often used in unpainted applications such as bridges, rail cars, crane, transmission towers, highway poles, chemical plant, factory and real health medical shipbuilding because of its reduced maintenance cost and long-life durability.
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