Dx51D Galvanized Steel Coil

Zinc Coated GI Coil

Factory Price Hot Dipped Galvanized Steel

Basic Infomation

Place of Origin: Henan

Brand Name: Gnee

Certification: SGS

Payment & Shipping Terms

Packaging Details: Standard Sea Worthy Package

Supply Ability: 10000 Ton/Tons per Month

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Factory Price Dx51D Zinc Coated Hot Dipped Galvanized Steel Coil GI Coil

Product Description

Factory Price Dx51D Hot Dipped Galvanized Steel Coils

Hot-dip galvanized steel coils are manufactured using continuous hot-dip galvanizing processes applied to hot-rolled or cold-rolled steel strips. These galvanized coils are available in various specifications and are widely used in construction, home appliances, automotive manufacturing, container production, transportation, and commercial applications.

Product Specifications

Product	Galvanized Steel Coil/Roll
Technical Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Steel Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement
Type	Coil/Sheet/Plate/Strip
Thickness	0.12-6.00mm, or customer's requirement
Width	600mm-1500mm, according to customer's requirement
Type of Coating	Hot Dipped Galvanized Steel (HDGI)
Zinc Coating	30-275g/m²
Surface Treatment	Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
Surface Structure	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	Export wooden pallets, craft paper, anti-blushing agent
Delivery Time	Future goods: 15-20 Work days, Ready Stock: 7-10 days

Spangle Surface Pattern

The "spangle" refers to the distinctive surface morphology characteristic of hot-dip galvanized steel coils. As the steel strip passes through the zinc coating bath and the molten zinc solidifies, zinc crystals nucleate and grow, forming the unique snowflake-like pattern that gives spangle its name. This visual characteristic is both descriptive and indicative of the galvanizing process quality.

Zinc Coating Thickness Guide

Zinc Coating Grade	Zinc Coating (g/m²)	Corrosion Resistance	Typical Applications	Remarks
Z30	30	Very low	Indoor parts, home appliance inner panels, ventilation ducts	Not suitable for outdoor use
Z60	60	Low	Indoor structures, temporary facilities	Low cost
Z80	80	Medium	Light steel structures, base metal for PPGI	Good cost performance
Z100	100	Medium	PPGI, fencing, general construction	Common export grade
Z120	120	Medium-High	Roofing sheets, wall panels	Longer service life
Z140	140	Medium-High	Industrial buildings, agricultural facilities	Suitable for outdoor use
Z180	180	High	Long-term outdoor structures, equipment housings	Recommended for outdoor use
Z200	200	Very high	Humid environments, heavy structures	Higher cost
Z275	275	Excellent	Coastal areas, solar mounting systems, high-corrosion environments	High standard

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Contact Person :	Ms. Kelly Zhang
Tel :	+8615824687445
Fax :	86-372-5055135

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