Wuhan Hanke Color Metal Sheet Co., Ltd.
WUHAN HANKE COLOR METAL SHEET CO., LTD. Good base zinc, good surface color, and every layer has its value.
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Regular Or Mini Spangle Galvanized Steel Coil Zinc Coating 40g-180g
1. The process of hot-dipped galvanized steel
Uncoiler-->Welder-->Entry Looper-->Pre-treatment-->Anneling furnace-->Zinc pot-->Cooling tower--> Water quench tank-->Skin pass-->Tension leveler-->Passivation coater-->Exit Looper-->Recoiler
2. Mechanical properties of hot dip galvanized substrate
Mechinal properties of steel sheet and steel strip should be in conformity with the stipulations of following table respectively.
| Grade | Tensile test | r90c≥ | n90c≤ | ||
| Yield strength (Mpa) | Tensile strength (Mpa) | Elongation A80% | |||
| DC51D+Z,DC51D+ZF | - | 270~500 | 22 | - | - |
| DC51D+Z | - | 270~500 | - | - | - |
| DC52D+Z,DC52D+ZF | 140~300 | 270~420 | 26 | - | - |
| DC53D+Z,DC53D+ZF | 140~260 | 270~380 | 30 | - | - |
| DC54D+Z | 120~220 | 260~350 | 36 | 1.6 | 0.18 |
| DC54D+ZF | 34 | 1.4 | 0.18 | ||
| DC54D+Z | ≤260 | ≤360 | 36 | - | - |
| DC56D+Z | 120~180 | 260~350 | 39 | 1.9d | 0.21 |
| DC56D+ZF | 37 | 1.7d,e | 0.20e | ||
| DC57D+Z | 120~170 | 260~350 | 41 | 2.1d | 0.22 |
| DC57D+ZF | 39 | 1.9d,e |
0.21e |
||
3. Technical Specifications
| Standard | Specification |
| JIS G 3302 | SGCC SGCD, SGC340 SGC400 SGC440 SGC490 SGC570 |
| ASTM A653 |
CS TYPE A /B/ C DDS EDDS SS33 SS37 SS40 SS50 SS80 |
| EN10142 | DX51D, DX52D, DX53D, DX54D, DX56D, DX57D |
| EN10326 | S220GD, S280GD, S320GD, S350GD, S550GD |
4. Applications
1) Household Appliances :Fridge; Washing Machine; Microwave Oven; Air-Conditioner; Duplicating Machine, etc;
2) Infrastructure: Building & Construction: Roofing; Terrace; Window Frame; Door: Rolling-up Door; Shutter; Mobile House;Interior Decorations: Wall; Door Frame; Steel Structure; Screen; Ceiling; Elevator;
3) Transportation :Auto Panel; Interior Decorative Panel; Carriage Panel
5. Our service:
1) Free sample offered;
2) Flexible payment term with L/C at sight,TT ,ect;
3) Big quantity supply and short delivery time;
4) Stable and reliable quality
5) Long term after-sale service.