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Galvanized steel strip

Galvanized steel strip

Hot-dip galvanizing steel strip is the reaction of molten metal with an iron substrate to produce an alloy layer, thereby combining the substrate and the plating layer. Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.And then sent to the hot-dip plating bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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Product Video
Product Parameter
Product Show
Product Features
Application
Packing & Delivery
Customer Feedback
FAQ

Product Video

Product Parameter

Product NameGalvanized Strip/GI Strip Slit Coil
GradeDX51D, DX52D, DX53D, DX54D, DX55D,S220GD, S250GD, S280GD, S350GD,S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440,SGH490,SGH540,SGCD1, SGCD2, SGCD3, SGC340, 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)
StandardEN 10142,EN 10147,EN 10292,JIS G3302, ASTM A653/A653M, BQB 420
Thickness0.12-5.0mm or as required
Width10mm-500mm or as required
Zinc coated30g-275g/m2
Surface TreatmentsPassivating (C),Oiling(O),Lacquer sealing(L), Phosphating (P),Untreated(U)
Spangle CoatingNormal spangle coating(NS), Minimized spangle coating(MS), Spangle-free(FS)
Surface treatmentgalvanized coated
Zinc Coating20g-275g/㎡
Techniquehot dipped.(electro also available)
CertificatesCE ,ISO,SGS,ETC
AdvantageFast delivery,Large inventory
Coil ID508mm or 610mm
Coil Weight3-28 metric ton per coil
MOQ25-28 TONS
PaymentTT,LC,ETC
delivery timeUsually 7 days, depending on the quantity
PackingStandard seaworthy package(wooden boxes package, package, and other package) or as the customer's requirements
ApplicationBuilding, Roof sheet, Appliances, Auto industry, For pre-painted, Machinery processing, Interior decoration, Medical,etc.
PortQingdao, Tianjin ,Shanghai


bse metal typeGradeCHEMICAL COMPOSITION %
CSiMnP
cold rolledsteel coilDC51D+Z (St01Z, St02Z,St03Z), DC51D+ZF≤0.10-≤0.50≤0.035
DC52D+Z (St04Z), DC52D+ZF≤0.08-≤0.45≤0.030
DC53D+Z (St05Z), DC53D+ZF≤0.08-≤0.40≤0.030
DC54D+Z (St06Z), DC54D+ZF≤0.01≤0.10≤0.30≤0.025
DC56D+Z (St07Z), DC56D+ZF≤0.01≤0.10≤0.30≤0.025
hot rolledsteel coilDD51D+Z (St01ZR, St02ZR)≤0.10-≤0.50≤0.035
DD54D+Z (St06ZR)≤0.01≤0.10≤0.30≤0.025


Product Show

1.1.1 Substrate Type

1.Hot-dip galvanized color coated steel sheet(prepainted galvanized steel sheet)The product obtained by coating an organic coating on a hot-dip galvanized steel sheet is a hot-dip galvanized color-coated plate. In addition to the protective effect of zinc, the hot-dip galvanized color-coated sheet also protects against rust and has a longer service life than hot-dip galvanized sheet; 2.Hot-dip aluminum-zinc color coated sheet(prepainted galvalume steel sheet)Hot-dip aluminum-zinc steel sheets can also be used as color-coated substrates (55% AI-Zn and 5% AI-Zn); 3.Electroplated zinc color coated sheet The electro-galvanized sheet is used as the substrate, and the product obtained by baking with the organic coating is an electrogalvanized color-coated plate. It has a beautiful appearance and excellent processing properties, and therefore can be mainly used for home appliances, audio, steel furniture, interior decoration, and the like.

1.1.2 Coating Type

Polyester (PE): Good adhesion, rich colors, wide range in formability and outdoor durability, medium chemical resistance, and low cost. Silicon modified polyester(SMP): Good abrasion resistance and heat resistance, as well as good external durability andchalking resistance, gloss retention, general flexibility, and medium cost. High Durability Polyester(HDP): Excellent color retention and anti-ultraviolet performance, excellent outdoor durability and anti-pulverization, good paint film adhesion, rich color, excellent cost performance. Polyvinylidene Fluoride(PVDF): Excellent color retention and UV resistance, excellent outdoor durability and chalking resistance, excellent solvent resistance, good moldability, stain resistance, limited color, and highcost.

Galvanizing steel production line with annual output of 500000 tons,which adopts the most advanced American GBNB and Germany's Siemens electrical control systems. it can produce ZERO zinc spangle, small-zinc spangleand common zinc spangle etc.Thickness from 0.125 mm to 4.5mm, and width from 500 mm to 1250 mm, and zinc coating from 40 - 275 g/m2,surface passivation and oil -coating can be performed. In addition, the company introduces a slitting machine, which can meet the customers' different requirements on the width. And Two roll-formed machines , which can produce wave roofing sheet and Trapezoidal corrugated sheet.

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Product Features

① Quality Raw Materials

High-quality raw materials areselected and meetinternational standards

② Surface Treatment

The surface of the plate issmooth, and the inner wall ofthe pipe fittings is burr-free

③ Support Customization

Support non-standardcustomization, OEM iswelcomed

④ Product Accuracy

The product has standarddimensions and tight tolerancesto meet various needstolerancesto meet various needs

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StandardJis 3302EN10327/EN10326ASTMA653
GradeSGCC/SGCHDX51D+Z/DX52D+ZCS
SGC340S22DGD+ZSS GRADE 230
SGC400S25DGD+ZSS GRADE 255
SGC440S28DGD+ZSS GRADE 275
SGC490S32DGD+ZSS GRADE 340
SGC570S35DGD+ZSS GRADE 550

SS55DGD+Z

Galvanized Steel strip

Spangle is formed during the hot-dip galvanizing process. The size, brightness, and surface of spangles mainly depend on the composition of zinc layer and the cooling method. According to the size, it includes small spangles, regular spangles, big spangles, and free spangles. They look different, but the spangles almost will not influence the quality of galvanized steel. You can choose according to your preference and purpose.

Application

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(1) In the construction industry: to manufacture exterior and Interior products such as metal shingles, corrugated sheeting, sandwich panels, profiles, metallic ceilings, skirting boards, decorative panels inside heated and non- heated rooms, elevators, doors window shutters, shelves etc.

(2) In the automotive industry: to manufacture external and internal car body parts (car doors, car boots, oil filters, dashboards, windscreen wipers etc. 

(3) In manufacture of home appliances, furniture, and consumer goods: metallic furniture, lighting equipment, shelves, radiators, сar doors, car boots etc.

Packing & Delivery

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1.Generally package:Anti-water paper+strapped with min three strapping strips.

2.Standard exporting package: Anti-water paper and plastic+covered by iron sheet+ strapped withmin three strapping strips.

3.Excellent package:Anti-water paper and plastic film+ covered by iron sheet+ strapped with minthree strapping strips+fixed on the iron or wooden pallets by strapping strips.

Can be packaged according to customer requirements.

Customer Feedback

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FAQ

Q1: Are you a galvanized steel strip manufacturer or trading company?
A: We are an integrated manufacturer and trading company with our own factory and multiple production lines, providing stable supply and project-based procurement support for international customers.


Q2: What types of galvanized steel strips do you supply?
A: We supply hot-dip galvanized steel strips in various steel grades, thicknesses, widths and zinc coating levels for construction, manufacturing, packaging and industrial applications.


Q3: What standards and steel grades are available?
A: We can supply galvanized steel strips according to ASTM, EN, DIN, JIS and GB standards, with grades selected according to customer and project requirements.


Q4: What thicknesses and widths are available?
A: We offer galvanized steel strips in various thicknesses and widths. Customized dimensions can also be supplied according to customer specifications.


Q5: What zinc coating levels are available?
A: Different zinc coating levels can be supplied according to the applicable standard and customer requirements. The required coating can be specified when placing an order.


Q6: What surface finishes are available?
A: Surface options depend on the production process and specifications and may include regular spangle, minimized spangle or other specified finishes.


Q7: Can you provide customized galvanized steel strips?
A: Yes. We can customize the steel grade, thickness, width, coil weight, zinc coating, surface condition, edge type and packaging according to customer requirements.


Q8: Do you provide Mill Test Certificates (MTC)?
A: Yes. MTCs can be provided with relevant information such as chemical composition, mechanical properties, zinc coating, dimensions and heat number.


Q9: Do you accept third-party inspection?
A: Yes. Third-party inspection can be arranged according to customer or project requirements before shipment.


Q10: What is the MOQ and lead time?
A: MOQ and lead time depend on the steel grade, dimensions, zinc coating, order quantity and production schedule. Specific terms are confirmed with each quotation.


Q11: What payment methods and terms do you accept?
A: We generally accept T/T and L/C for international orders. Payment terms are confirmed according to the order value, product specifications, delivery terms and customer requirements.


Q12: How can I get a quotation for galvanized steel strips?
A: Please provide the required standard, grade, thickness, width, zinc coating, quantity, coil weight and delivery destination. We will prepare a quotation based on your specifications.

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