Shandong Decho Building Materials Technology Co., Ltd
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 800 tons/day |
| Delivery Time | 30~45days |
| Packaging Details | Steel pallet package |
| Base Metal | Galvalume Steel Sheet AZ150 |
| Material grade | G550 Structural Grade |
| Usage | Roof and Cladding |
| Width | 940mm |
| Shape | Wave Tile / corrugated / IBR |
| Package | Steel Export package with Iron Pallet |
| Steel Grade | S550GD /G550 / SGC570 |
| Surface Treatment | AFP( Anti-finger print) |
| Spangle | Regular / Minimum Spangle |
| Composition | 55% Al + 43.5% Zinc +1.5% Si |
| Coating System | Alu-zinc |
| Specification | 0.14-1.2*600-1250mm |
| Application | Residential/Commercial/Industrial |
| Approved | BV Certification |
| Coating Thickness | 10-50um |
| Port | Ningbo /Shanghai/Tianjin |
| Payment Term | T/T, L/C |
| Weight | 2-4 Tons |
| Width After Corrugated | 600-1000mm |
| Zinc Coating | 40-275g/m2 |
| Gi Roofing Sheet | hot dipped galvanized steel sheet |
| Corrugation | Regular/Mini/Big |
| Corrugated Steel Sheet | roof tile |
| Brand Name | DECHO |
| Model Number | Roofing Sheet AZ150 |
| Certification | MILL TEST CERTIFICATE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 800 tons/day |
| Delivery Time | 30~45days | Packaging Details | Steel pallet package |
| Base Metal | Galvalume Steel Sheet AZ150 | Material grade | G550 Structural Grade |
| Usage | Roof and Cladding | Width | 940mm |
| Shape | Wave Tile / corrugated / IBR | Package | Steel Export package with Iron Pallet |
| Steel Grade | S550GD /G550 / SGC570 | Surface Treatment | AFP( Anti-finger print) |
| Spangle | Regular / Minimum Spangle | Composition | 55% Al + 43.5% Zinc +1.5% Si |
| Coating System | Alu-zinc | Specification | 0.14-1.2*600-1250mm |
| Application | Residential/Commercial/Industrial | Approved | BV Certification |
| Coating Thickness | 10-50um | Port | Ningbo /Shanghai/Tianjin |
| Payment Term | T/T, L/C | Weight | 2-4 Tons |
| Width After Corrugated | 600-1000mm | Zinc Coating | 40-275g/m2 |
| Gi Roofing Sheet | hot dipped galvanized steel sheet | Corrugation | Regular/Mini/Big |
| Corrugated Steel Sheet | roof tile | Brand Name | DECHO |
| Model Number | Roofing Sheet AZ150 | Certification | MILL TEST CERTIFICATE |
| Place of Origin | CHINA | ||
| High Light | AZ150 Corrugated Steel Roofing Sheet ，55% Aluzinc Corrugated Steel Roofing Sheet ，0.44 BMT Corrugated Steel Roofing Sheet | ||
0.44 BMT 940mm AZ150 G550/SGC570 55% Aluzinc AFP
Structural Steel Galvalume Sheet Corrugated Steel Roofing Sheet
Hot-dip aluminium-zinc coated steel plate is a pre-coated steel plate obtained by hot-dip plating a layer of Al-Zn coating on both sides of a cold rolled steel plate of various strengths and thicknesses as a substrate, with a mass percentage of 55% Al (aluminium), 43.5% Zn (zinc) and 1.5% Si (silicon) in the composition of the plated layer, which combines the physical protection of Al and high durability as well as the electrochemical protection of Zn, and has the strength and plasticity of the base steel, and the corrosion resistance of the coating. The material has the strength and plasticity of substrate steel and the corrosion resistance of plating, which protects the metal substrate from internal corrosion. In addition, the surface has a highly decorative bright silver grey colour and regular patterns with a sense of embossment.
Comparison of Galvanised and Aluminium Zinc Plating for Light Steel Keels
Light steel keels can be coated with either galvanised or aluminium zinc plating, each offering distinct characteristics:
Galvanised Coating: Galvanised light steel keels have a zinc coating whose thickness can vary based on environmental and functional requirements, typically ranging from 120g/m² to 275g/m². The designation Z275 indicates a zinc layer weight of 275g/m² on both sides of the steel sheet.
Physical Changes with Galvanised Coating: Exposed to year-round atmospheric oxygen, galvanised surfaces may darken over time.
Aluminium Zinc Plating: Aluminium zinc plated light steel keels exhibit several notable attributes:
Corrosion Resistance Mechanism: The robust corrosion resistance of aluminium zinc plating primarily stems from aluminium's protective properties. Even when the zinc layer wears away, aluminium oxide forms, effectively shielding the underlying material from further corrosion.
Long-term Testing and Thermal Properties: Aluminium zinc plated alloy steel coils have undergone outdoor exposure tests for over 20 years in various atmospheric conditions, demonstrating superior protection for cut edges compared to galvanised steel sheets. Additionally, aluminium zinc plated mild steel boasts high thermal reflectivity, twice that of galvanised mild steel, making it an effective thermal insulator.
This comparison highlights the enhanced durability, corrosion resistance, and thermal properties of aluminium zinc plated light steel keels, making them a preferred choice in demanding applications.
Steel Material Dx51d, Dx52D, Dx53D Zinc Coated Corrugated Galvalume Steel Roofing Sheet
GI Roofing Steel Sheet common size as follows
1) 762mm to 665mm(after corrugated)and 9 waves
2) 914mm to 750mm(after corrugated)and 11 waves
3) 1000mm to 890 or 900mm(after corrugated)and 12 or 14 waves
| Usage | Steel Grade | Yield Strength(MPa) ≥ | Tensile Strength(MPa) ≥ | Elongation at Brake A80mm % ≥ | Elongation at Break A50mm % ≥ |
| Structural usage | S250GD+AZ | 250 | 330 | 19 | / |
| S300GD+AZ | 300 | 380 | 18 | / | |
| S350GD+AZ | 350 | 420 | 16 | / | |
| S450GD+AZ | 450 | 480 | 15 | / | |
| S550GD+AZ | 550 | 550 | / | 2 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2012
Total Annual:
10000000-20000000
Employee Number:
20~30
Ecer Certification：
Verified Supplier
Shandong Decho Building Materials Technology Co., Ltd (hereafter called “DBM” ) is a professional manufacturer and exporting company of coated steel coils and sheets, with over 13 years of experience in steel industry and 11 years of steel mill work experience, with extensive produc... Shandong Decho Building Materials Technology Co., Ltd (hereafter called “DBM” ) is a professional manufacturer and exporting company of coated steel coils and sheets, with over 13 years of experience in steel industry and 11 years of steel mill work experience, with extensive produc...
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