HDGI Regular Spangle Z120 / Z225 0.40mm 1200mm Corrugated Sheet And Metal Tile Chromated Unoiled Non Skin Pass AFP
Price:
650~800USD
MOQ:
16 tons
Delivery Time:
30~45days
Brand:
Decho
Product Description
HDGI Regular Spangle Z120 / Z225 0.40mm 1200mm Corrugated Sheet And Metal Tile Chromated Unoiled Non Skin Pass AFP
Surface structure of hot dip galvanized steel sheet and coil
| Surface structure | Code No. | Features | Application |
|---|---|---|---|
| Conventional spangle | Z | Spangles condensated on zinc coating under normal conditions after galvanizing. |
Commercial purposes |
| Small spangle | X | Surface in spangles smaller than conventional ones and due to controlled condensation of zinc coating. |
Applications where conventional spangles cannot meet the surface appearance requirements. |
| Skin passed spangle | G | Surface structure after special skin pass treatment. |
Applications of high surface quality requirements, such as color coating base plates. |
| Skin passed small spangle | GX | - | - |
| Zero spangle | N | No visible spangles on coating surface as a result of a special production process. |
- |
| Zn-Fe alloy | R | No spangle, gray, normally matter | Applicable to further painting |
Surface treatment of hot dip galvanized steel sheet and coil
| Item | Description |
|---|---|
| Chromate treatment (L) | Chromate treatment is a chemical treatment with an aim to prevent white rusts formed on product surfaces during transportation and storage. |
| Oiling (Y) | Oiling is to prevent white rusts formed on product surfaces during transportation and storage. |
| Chromate treatment+ Oiling (LY) | Chromate treatment+ Oiling (LY) This treatment with oiling after surface chromate treatment is to further avoid the forming of white rusts. |
JIS G 3302 galvanized steel sheet chemical composition
| Grade | Chemical Composition.% Max | |||
|---|---|---|---|---|
| C | Mn | P | S | |
| SGHC | 0.15 | 0.8 | 0.05 | 0.05 |
| SGHC400 | 0.25 | 1.7 | 0.2 | 0.05 |
| SGHC440 | 0.25 | 2 | 0.2 | 0.05 |
| SGHC490 | 0.3 | 2 | 0.2 | 0.05 |
| SGHC540 | 0.3 | 2.5 | 0.2 | 0.05 |
| SGCC | 0.15 | 0.8 | 0.05 | 0.05 |
| SGCH | 0.18 | 1.2 | 0.08 | 0.05 |
| SGCD1 | 0.12 | 0.6 | 0.04 | 0.04 |
| SGCD2 | 0.1 | 0.45 | 0.03 | 0.03 |
| SGCD3 | 0.08 | 0.45 | 0.03 | 0.03 |
| SGCD4 | 0.06 | 0.45 | 0.03 | 0.03 |
| SGC340 | 0.25 | 1.7 | 0.2 | 0.05 |
| SGC400 | 0.25 | 1.7 | 0.2 | 0.05 |
| SGC440 | 0.25 | 2 | 0.2 | 0.05 |
| SGC490 | 0.3 | 2 | 0.2 | 0.05 |
| SGC570 | 0.3 | 2.5 | 0.2 | 0.05 |
Applications of hot dip galvanized steel sheet and coil
- Automotive
- Pipe and Tub
- Outdoor Recr
- Agriculture
- Construction
Advantage of hot dip galvanized steel sheet and coil
- Superior Formability
- Excellent Corrosion Resistance
- Consistent Quality
Standard Specifications hot dip galvanized steel sheet and coil
- ASTM A 653 hot-dipped galvanized carbon steel sheet
- ASTM A 1003 hot-dipped galvanized carbon steel sheet for cold-formed framing members
- SAE J1392 hot-dipped galvanized, high-strength, low-allow carbon steel sheet
- SAE J403 hot-dipped galvanized carbon sheet steel
- ASTM A929 hot-dipped galvanized steel sheet for corrugated steel pipe
- Additional JIS, DIN, and manufacturer-specific standards available on an inquiry-by-inquiry basis.
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Company
Shandong Decho Building Materials Technology Co., Ltd
Location
RM302, BLDG3, Zhongde Science Park,Jimo 266200,Shandong