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{"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"}}
Galvanized sheets are steel sheets coated with zinc to prevent rust, primarily categorized by production method into Hot-Dip Galvanized (HDG), Electro-Galvanized (EG), and Galvannealed. They are further classified by coating weight (G30-G235) and surface finish, with applications ranging from automotive components to structural, high-corrosion, and aesthetic uses.
Key Types of Galvanized Sheets
Hot-Dip Galvanized (HDG) Sheet: The most common type, created by dipping steel in molten zinc, providing high durability.
Electro-Galvanized (EG) Sheet: Produced by electroplating, this results in a thinner, smoother, and more uniform zinc layer, often used for automotive components and in indoor applications needing aesthetic finishes.
Galvannealed Sheet: A hybrid process combining hot-dip galvanizing and annealing to create a matte gray zinc-iron alloy coating, which offers superior paint adhesion and weldability.
Galvalume / Alu-Zinc Sheet: Coated with an alloy typically consisting of 55% aluminum, 43.4% zinc, and 1.6% silicon, providing improved corrosion resistance and durability compared to pure zinc coating.
Pre-Painted Galvanized Sheet (PPGI): Galvanized steel that has been painted with organic coatings (such as PE, PVDF) for added aesthetics and corrosion protection.
Specification Sheet
Material Grade
Galvanized steel
Thickness
0.12-2.5mm
Width
1000mm, 1250mm, 1500mm
Painted Thickness
Front 10-30um
Surface
Color Coated
Packing
Seaworth Package (as per requirements)
Minimum Order Quantity
5000KG per size
Loading Port
Tianjin, Shanghai (any port in China)
Payment Term
T/T | EXW | 30% T/T in advance, paid the balance before shipment
FOB
CFR | 30% T/T in advance, paid the balance before shipment
CIF
L/C | 30% T/T in advance, Balance L/C at sight
Delivery Time
20 days after receiving payment or according to order quantity
Frequently Asked Questions
Q1: What does "DX51D" stand for?
According to the EN 10346 standard:
D: Flat steel for cold forming.
X: The base metal state is not specified (usually cold-rolled).
51: Steel grade sequence number (indicates commercial quality).
D: Hot-dip galvanized (coated with a zinc layer).
Q2: What is the difference between DX51D+Z and DX51D+AZ?
The difference lies in the coating composition:
+Z (Galvanized): 99% pure zinc coating. Offers excellent sacrificial protection.
+AZ (Galvalume): 55% Aluminum, 43.4% Zinc, and 1.6% Silicon. It offers superior heat resistance and 2-6x the corrosion resistance of pure zinc in most environments.
Q3: What are the standard dimensions for DX51D coils?
Typically, the thickness ranges from 0.12mm to 4.0mm, and the width ranges from 600mm to 1500mm (common widths are 914mm, 1000mm, 1219mm, and 1250mm).
Product Gallery
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 ...
