SA572 Gr.50 high strength structural steel plate is with black surface originally without surface treatment. SA572 Gr.50 steel has certain weather resistance. But it is not weathering steel after all. So its own weather resistance is not enough to protect it from rust if expose to the atmosphere for long time.
Cheap price SA572 Gr.50 high strength structural steel plate:
| Description | THK | W | L | Price (USD/MT) |
| hot rolled 20mm low alloy high strength carbon steel plate SA572 Gr.50 | 20 | 2200 | 8150 | 750.75 |
| building material 20mm thk low Alloy steel plate SA572 Gr.50 sheet metal | 20 | 2200 | 8300 | 750.75 |
| SA572 Gr.50 low alloy standard size steel sheet supplier | 20 | 2200 | 7900 | 750.75 |
| low price SA572 Gr.50 hot rolled low alloy carbon steel plate | 20 | 2200 | 7900 | 750.75 |
| Cheap price SA572 Gr.50 high strength structural steel plate with black surface | 20 | 2200 | 7900 | 750.75 |
| Reliable quality 20MM SA572 Gr.50 low alloy steel plate | 20 | 2200 | 7900 | 750.75 |
| factory directly sell SA572 Gr.50 low alloy steel plate from China famous supplier | 20 | 2200 | 8200 | 750.75 |
| SA572 Gr.50 hot rolled low alloy structure steel plate | 20 | 2200 | 8300 | 750.75 |
| 20MM SA572 Gr.50 low alloy steel plate | 20 | 2200 | 8150 | 750.75 |
| low alloy Manganese steel plate SA572 Gr.50 manufacture | 20 | 2200 | 8150 | 750.75 |
| SA572 Gr.50 hot rolled carbon steel low alloy plate | 20 | 2200 | 7900 | 750.75 |
| low alloy high strength SA572 Gr.50 Hot rolled steel plate for steel structure | 20 | 2200 | 8000 | 750.75 |
| China supplier SA572 Gr.50 low alloy steel plate in stock and fast delivery | 20 | 2200 | 8250 | 750.75 |
| high quality 20MM SA572 Gr.50 low alloy steel plate | 20 | 2200 | 8400 | 750.75 |
| hot rolled SA572 Gr.50 low alloy steel sheet | 20 | 2200 | 8200 | 750.75 |
| low alloy high tensile strength steel plate SA572 Gr.50 | 20 | 2200 | 8150 | 750.75 |
| hot sale high strength SA572 Gr.50 hot rolled low alloy carbon mild steel plate | 20 | 2200 | 7900 | 750.75 |
| SA572 Gr.50 high strength carbon low alloy steel plate chemical composition | 20 | 2200 | 7900 | 750.75 |
| SA572 Gr.50 manufacturer directly supply low alloy steel plate for sale | 20 | 2200 | 7900 | 750.75 |
For SA572 Gr.50 high strength structural steel plate, in order to protect from rust, we can do pretreatment for it. That is to do sand blasting and shop primer, usually the sand blasting standard is SA2.5.
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