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{"title":"55% Al-Zn-Mg Coated Galvalume Steel Coil with Corrosion Resistant and Self","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/70\/c2a371aeb9e4af87ad3100f58f33-200x200-1\/55_25_al_zn_mg_coated_galvalume_steel_coil_with_corrosion_resistant_and_self.jpg","attrs":{"Brand Name":"GNEE","Certification":"SGS","Place of Origin":"Henan","Supply Ability":"10000 Ton\/Tons per Month"}}
{"title":"Hot Dipped Galvanized Steel Grating Stair Tread Grid with ASTM A36 Q235 and","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/50\/06bb429e3572299c5e92dcc492ea-200x200-1\/hot_dipped_galvanized_steel_grating_stair_tread_grid_with_astm_a36_q235_and_stainless_steel_304_options.jpg","attrs":{"Brand Name":"Gnee","Minimum Order Quantity":"2PCS","Supply Ability":"300000 Square Meter\/Square Meters per Month","Delivery Time":"Shipped in 20 days after payment"}}
{"title":"Hot Dipped Galvanized Steel Grating Heavy Duty Metal Grid Grating Panels","imgUrl":"https:\/\/img.chinax.com\/nimg\/a4\/cb\/43826f549efd74d94de44a9ee60a-200x200-1\/hot_dipped_galvanized_steel_grating_heavy_duty_metal_grid_grating_panels_pressure_welded_and_locked_for_high_load_capacity.jpg","attrs":{"Brand Name":"Gnee","Minimum Order Quantity":"2PCS","Supply Ability":"300000 Square Meter\/Square Meters per Month","Delivery Time":"Shipped in 20 days after payment"}}
{"title":"Construction Use DX51d Steel Coil Galvanized 0.15mm Thick","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/f1\/a2abb91416030d45be0d1432ec05-200x200-1\/construction_use_dx51d_steel_coil_galvanized_0_15mm_thick.jpg","attrs":{"Brand Name":"Gnee","Model Number":"DX51d","Certification":"ISO9001","Place of Origin":"Henan"}}
{"title":"Hot Dipped Galvanized Steel Grating and Steel Structure Walkway Compliant with","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/16\/538537ddd861c1ec4aeeb4414c11-200x200-1\/hot_dipped_galvanized_steel_grating_and_steel_structure_walkway_compliant_with_ansi_2fnaamm_mbg_531_2f532_2f533_en_10025_gb_2ft_70.jpg","attrs":{"Brand Name":"Gnee","Minimum Order Quantity":"2PCS","Supply Ability":"300000 Square Meter\/Square Meters per Month","Delivery Time":"Shipped in 20 days after payment"}}
{"title":"Aisi Standard Galvanized Rolled Coil 0.12-2.5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/38\/09\/48a550d045c6062fa6ddf734093b-200x200-1\/aisi_standard_galvanized_rolled_coil_0_12_2_5mm.jpg","attrs":{"Brand Name":"genn","Model Number":"Dx51D.Dx52D,Dx53D.DX54D.DX55D","Certification":"ISO","Place of Origin":"Henan"}}
{"title":"Customizable Styles Hot Dipped Galvanized Steel Grating Walkway Compliant with","imgUrl":"https:\/\/img.chinax.com\/nimg\/6e\/db\/ec5995513c473460dc084e04172a-200x200-1\/customizable_styles_hot_dipped_galvanized_steel_grating_walkway_compliant_with_is_3202_and_astm_a_123_standards.jpg","attrs":{"Brand Name":"Gnee","Minimum Order Quantity":"2PCS","Supply Ability":"300000 Square Meter\/Square Meters per Month","Delivery Time":"Shipped in 20 days after payment"}}
DC51D+Az 55% G550 Az150 Hot Dipped Az 100 Al-Zn-Mg Coated Steel Coil
Galvalume steel, also known as Aluminum-Zinc Alloy Coated Steel, Zincalume steel, aluminized zinc steel (aluzinc steel), or SGLC, is composed of 55% aluminium, 43.4% zinc and 1.6% silicon solidified at 600°C. Its structure consists of aluminium-iron-silicon-zinc, forming a compact quaternary crystal alloy. The surface of galvalume steel sheet is characterized by smooth, flat and attractive appearance with a silver-white base color. The special coating structure provides excellent corrosion resistance, with a normal service life of up to 25 years. It offers good heat resistance, capable of withstanding high temperature environments up to 315°C. The coating demonstrates excellent adhesion with paint films and provides good processing performance for punching, shearing, and welding operations. The surface conductivity is very good.
Key Advantages
Superior Corrosion Resistance: Layer added AI, Mg and Si alloy elements greatly improve the corrosion inhibition effect of the coating. Compared with ordinary galvanized products, less coating adhesion can achieve better corrosion resistance, providing 10-20 times the protection of hot dip galvanized steel plate.
Self-Healing Properties: The coating component around cutting surfaces continuously dissolves to form a dense protective film composed mainly of zinc hydroxide, alkaline zinc chloride and magnesium hydroxide. This protective film has low conductivity and inhibits corrosion on cutting surfaces.
Long Life Span: Due to superior corrosion resistance (10-20 times that of ordinary hot dip galvanized sheet) and the corrosion resistance of cutting section self-healing effect, components made of hot dip galvanized aluminum magnesium steel plate alloy plating plate can achieve service life exceeding 30 years.
Easy to Process: Hot dip galvanized aluminum magnesium steel plate coating is more dense than galvanized sheet, preventing coating peeling during stamping processing. It offers excellent tensile, stamping, bending, welding and other processing properties under severe conditions, with excellent damage resistance due to high coating hardness.
Application Scenarios
The products are mainly used in civil engineering construction (keel ceiling, perforated plate, cable bridge), agricultural livestock products (agricultural breeding shed, steel structure, steel accessories, greenhouse, breeding equipment), railway road, power communication (transmission and distribution high and low voltage switch cabinet, box type substation body), automobile motor, industrial refrigeration (cooling tower, large outdoor industrial air conditioning) and other industries.
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
Quality
Approved by SGS, ISO
ID
508mm/610mm
Coil Weight
3-20 metric ton per coil
Package
Water proof paper is inner packing, galvanized steel or coated steel sheet is outer packing, side guard plate, then wrapped by seven steel belt, or according to customer's requirement
Export Market
Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc
Frequently Asked Questions
Does Galvalume have "self-healing" properties?
Yes. Thanks to the zinc component, Galvalume provides sacrificial protection at cut edges or scratches, preventing rust from spreading into the steel core.
Can Galvalume withstand high temperatures?
Extremely well. It can resist oxidation and remain structural at temperatures up to 315°C (600°F) without discoloration, and even higher for short periods.
Is Galvalume energy-efficient?
Yes. The aluminum in the coating has a high thermal reflectivity, reflecting a significant amount of solar radiation and keeping buildings cooler in summer.
Can I paint Galvalume steel?
Absolutely. It is often sold as Prepainted Galvalume (PPGL). If painting on-site, ensure the surface is free of factory oils or "wet storage stain" (white rust) and use a compatible primer.
Is Galvalume resistant to chemicals?
It has good resistance to many environments, but it is vulnerable to highly alkaline conditions (like wet concrete or animal confinement areas).
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
3000000-3500000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China.
GNEE are specialized in manufacturing and supplying large quantities Seamless steel pipes and Shipping-building plates, We are provide high quality steel ... Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China.
GNEE are specialized in manufacturing and supplying large quantities Seamless steel pipes and Shipping-building plates, We are provide high quality steel ...
