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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"}}
Contact the supplier about freight and estimated delivery time.
Certification
SGS
Place of Origin
China
Brand Name
GNEE
DC51D+Az / S250gd+Az Hot Rolled Galvanized Steel Coil, Strip and Sheet
For Construction and Industrial Use
Product Overview
Hot Dipped Galvalume/GL Steel Coil with Aluzinc coating features a particularly smooth, silver-color spangle surface. The unique aluminum and zinc coating structure provides excellent corrosion resistance, good heat resistance, strong adhesion between coating and paint film, and superior processing performance for punching, cutting, welding, and other operations.
Widely applied in industries including building materials, house roofing steel sheet plates, automotive manufacturing, ship interior decoration, and household appliances.
Product Specifications
Standard
AISI, ASTM, GB, JIS
Material
SGCC, S350GD+Z, S550GD+Z, DX51D, DX52D, DX53D
Thickness
0.16-1.2mm
Width
600-1250mm
Tolerance
+/-0.02mm
Zinc Coating
60-275g/m²
Coil ID
508-610mm
Coil Weight
3-8 tons
Technique
Hot rolled, cold rolled
Package
Seaworthy package
Certification
ISO 9001-2008, SGS, CE, BV
MOQ
25 TONS (in one 20ft FCL)
Delivery
15-20 days
Monthly Output
10000 tons
Surface Treatment
Oiled, passivation or chromium-free passivation, passivation+oiled, chromium-free passivation+oiled, resistant to fingerprints or chromium-free resistant to fingerprints
Spangle
Regular spangle, minimal spangle, zero spangle, big spangle
Payment
30% T/T in advanced + 70% balanced; irrevocable L/C at sight
Remarks
Insurance is all risks and accept the third party test
Mechanical Properties
Usage
Grade
Yield Strength (MPa)
Tensile Strength (MPa)
Punching Galvalume Steel
DC51D+Z
-
270-500
DC52D+Z
140-300
270-420
DC53D+Z
140-260
270-380
Structure Galvalume Steel
S280GD+Z
≥280
≥360
S350GD+Z
≥350
≥420
S550GD+Z
≥550
≥560
Types of Spangle
Quality Assurance
Our factory has passed the ISO9001 quality certification system, environmental management system, and accepts third-party inspections from SGS/BV/QC and others.
Our workshop is equipped with a quality testing room. Each production stage undergoes strict quality testing to ensure product quality and reliability.
Packaging & Shipping
3-layer protective packaging: inner kraft paper, middle water plastic film, and outer GI steel sheet covered by steel strips with lock, including inner coil sleeve.
Product packaging can be customized according to customer requirements and factory standards.
Frequently Asked Questions
What steel grades are available for galvanized steel?
Common grades include DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, SGCC, SGHC, and ASTM A653 grades.
Can galvanized steel be welded?
Yes. Galvanized steel can be welded using appropriate welding techniques. Proper ventilation and removal of zinc coating near the weld area are recommended to achieve better weld quality.
Can galvanized steel be painted?
Yes. Galvanized steel can be painted after proper surface preparation, such as cleaning and applying a suitable primer, which improves coating adhesion and extends service life.
Is galvanized steel suitable for outdoor applications?
Yes. Hot-dip galvanized steel is widely used outdoors because the zinc coating effectively protects the steel from moisture, rain, and atmospheric corrosion.
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 ...
