Hot-dip galvanized and cold-galvanized appearance
The appearance of cold galvanizing is smoother and brighter, and the color passivation process coating is yellow-green and colorful. The coating is blue-white or white, the white passivation treatment is green, and the passivation treatment of the white coating is significantly colorful with the sun angle. The angular parts of complex workpieces are prone to "electric burning" and consist of dark, zinc-thick parts. It is easy to form a current dead dark current gray area at the inner corner, and the zinc layer in this area is relatively thin. The overall zinc nodule and agglomeration of the workpiece.
Hot dip galvanized looks a bit rougher and silvery white than electrogalvanized, and looks prone to process water lines and a few drops of tumor, especially on one end of the workpiece. The hot-dip galvanized zinc layer is several times thicker than electro-galvanized, and its corrosion resistance is several times that of electro-galvanized.
| Product Name | Hot Rolled 1.5inch Carbon Pipe galvanized steel pipe |
| Grade | Weathering Steel |
| Standard and Grade | |
| ASTM Standard | Corten A/Corten B/A588 GR.A /A588 GR.B /A242 |
| EN Standard | S355J0W / S355J2W / S355J0WP / S355J2WP / S355K2G1W / S355K2G2W |
| JIS Standard | G3125 SPA-H / SPA-C ; G3114 SMA400AW / BW / CW; G3114 SMA490AW / BW |
| GB Standard | 09CuPCrNi-A/ B480GNQR / Q235NH / Q295NH / Q355NH / Q355GNH / Q460N |
| Thickness | Cold : 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.2, 1.5mm, as your requirements |
| Hot Rolled: 1.6, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10, 12, 14, 16 .......40 mm, as your requirements | |
| Length | As your requirements |
| Finish | Mill finish / Oxided rust treatment finish |
| Brand | Baosteel / Shougang / Wugang / Nangang / Angang mill / Jigang mill |
| Certification | ISO,SGS,BV,ROHS,IBR, etc. |