Cold Rolled Gi Coil Zinc Coated steel hot Dipped galvanized steel coil
What is hot dip galvanized steel?
Hot dip galvanizing, according to the American Galvanizers Association, is defined as the process of dipping fabricated steel into a kettle or vat containing molten zinc. This process helps protect metal from corrosion. This is one of the most effective ways to protect steel and metal from rust.
Thick | 0.12 ~6.0 mm |
Width | 600-1500 mm |
Zinc Coating | 30~275G/M2 |
Coil ID | 508 / 610MM |
Coil Weight | 3-5 Tons |
Standard | ASTM-A653; JIS G3302; EN10147; EN10326etc |
Payment Terms | T/T, LC,DP. |
Regular Order | 25 tons or one container, for less quantity, to contact with us for details |
Hardness | Soft hard(HRB60),medium hard(HRB60-85),full hard(HRB85-95) |
Surface Structure | Regular spangle,Minimum spangle, Zero spangle, Big spangle |
Surface Treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |
Different Surface:Small,Large,Zero.Select as per your requirement
Content | |||
Material: | SG550/SG280/SG350DX51D+Z | SGCC/ CS TYPE | |
Finish | NBMinimized Spangle (M) | ||
Surface Treatment | Chemically Passivated (C) | ||
Oil | Not Oiled | ||
Zinc | Z30--275 | ||
Thickness tolerances | Normal thickness tolerances | 0.40 < thickness ≤ 0.60 | ± 0.060 |
0.60 < thickness ≤ 0.80 | ± 0.070 | ||
0.80 < thickness ≤ 1.00 | ± 0.080 | ||
1.00 < thickness ≤ 1.20 | |||
Width tolerances | 1200 < width ≤ 1500 | 6 ~ 0 |
Chemical composition
Designation | Chemical composition % by mass max. | ||||||
Steel grade | C | Si | Mn | P | S | TI | |
Steel name | Symbols for the types of available coatings | ||||||
DX51D | +Z | 0.18 | 0.5 | 1.2 | 0.12 | 0.045 | 0.3 |