Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet

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  • Model NO.: DX51D+AZ DX52D+AZ S250GD+AZ - S350GD+AZ S550GD+AZ
  • Certification: ISO
  • Technique: Cold Rolled
  • Width: 600mm-1500mm 914mm,1000mm,1220mm,1250mm
  • Zinc Weight: 40g, 60g, 80g, 100g, 120g, 140g,180g, 200g, 250g,
  • Transport Package: Seaworthy Package
  • Origin: China
  • Standard: ASTM, JIS, GB, AISI, DIN
  • Surface Treatment: Galvanized
  • Stock: Stock
  • Steel Grade: CS Typea/B/C Fs Typea/B Ss255ss275/Grade 40ss340/G
  • Trademark: rbs
  • Specification: Thickness 0.12mm
  • HS Code: 721049000
Galvanized steel /galvalume steel strips/Galvalume/Galfan products by JIS G 3302 /JIS G 3321 
Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by The Hot-DIP Process

Application:
Construction: Roofs, facades, Garage doors, fences and shutters for civil and industrial buildings.
Appliance: oven, explosion-proof strip, the cover for air conditioning, solar water heaters, electrical parts.
Automotive industry: automotive muffler, exhaust pipe and catalytic converter thermal shield, car body parts, road signs.
Industrial instrumentation: electric control cabinet, industrial freezer, vending machine.

1. Specification of Hot-dip Galvanized Steel / Galvalume Steel
Thickness: 0.14mm - 3.0mm
Width: 600-1500mm (standard 914mm, 1000mm, 1200mm, 1219mm, and 1250mm and 1500mm)
Inner Diameter: 508mm / 610mm
Outsider Diameter: max.1800mm
Coil Weight: max.15tons, min.1tons, and average 5tons

2. Zinc coating
Zinc weight: 30gsm - 275gsm
Finish Spangle: Regular Spangle, Small Spangle, Zero spangle
Finish Treatment: Chromate, Anti-finger print, Oiled
Finish quality: FA (Good) \ FB (Better) \ FC (Best)

3. Steel quality and production standards:
Quality Standards for Galvanized steel coils / Galvalume steel coils
  GB/T2518-2004 JIS G 3302 /
JIS G 3321 		ASTM A653M-04 / ASTM A792M EN 10327-04
EN 10326-04
EN 10215
CQ 02 SGCC CS TYPE
A/B/C 		DX51D+Z
DQ 03 SGDC FS TYPE
A/B 		DX52D+Z
  250
280
320
350 		SGC340
SGC400
SGC440 		SS255
SS275/GRADE 40
SS340/GRADE 50 		S250GD+Z
S260GD+Z
S320GD+Z
S350gd+Z

Hot-dip galvalume steel grade and standards
G/BQB 425-2004 AS 1397-2001 EN 10215-1995 ASTM A792M-02 JIS G 3321: 1998 ISO 9364-2001
DC51D+AZ G2+AZ DX51D+AZ CS type B\ Type C SGLCC 01
DC52D+AZ G3+AZ DX52D+AZ DS SGLCD 02
S250GD+AZ G250+AZ S250GD+AZ 255 - 250
S300GD+AZ G300+AZ - - - -
S350GD+AZ G350GD+AZ S350GD+AZ 345 Class1 SGLC490 340
S550GD+AZ G550+AZ S550GD+AZ 550 SGLC570 550

Flow Chart of the Galvanizing Line:
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet

Flow Chart of Galvalume Steel Line:
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet

Weight Coating and service life:
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet
Enviroment.Average corossion.Industrial Climate-TESTS
Enviroment.Average corossion.Tough Marine Climate-TESTS
Environment GI
Average corrosion
g/m2/y μ m/y
Tough Marine Climate 140 9.8
Moderate Marine Climate 18 1.3
Industrial Climate 20 1.4
Countryside Climate 4 0.28


Galvanized Steel Product Description: Hot-Dip Galvanizing or HDG is a process in which zinc bonds to steel at the molecular level to produce a four-layer corrosion-resistant finish. The first three layers are zinc-iron alloy layers that are actually harder than the base steel.
Galvalume Steel Product Description: Galvalume/Galfan products (GL) use cold rolled steel sheets with various strengths and thicknesses as the raw materials and are coated with aluminum (Al 55%), zinc (Zn 43.5%) and silicon (Si 1.5%) alloy. It possesses excellent anti-corrosion properties.
HGL Product Features:
Derived from hot-dip aluminum galvanization and hot-dip zinc galvanization technology, Galvalume/Galfan products possess excellent properties of both products, i.e. the exceptional anti-corrosion and anti-oxidation properties of hot-dip aluminum galvanization, and superior electric-chemical properties of hot-dip zinc galvanization, which make Galvalume/Galfan sheets less prone to rust and corrosion at the edge and on the scratched surface. The major properties of Galvalume/Galfan steel sheets include the following: 
(1) Smooth surface and superior anti-corrosion property. They can resist corrosion up to 2 to 6 times longer than hot-dip zinc galvanized steel sheets; 
(2) Excellent heat resistance and anti-oxidation properties. They will not tarnish under 300ºC and can be used normally under 500ºC for a long time. They can resist corrosion caused by water and mud. Its ability to resist corrosion caused by water is better than that of hot dip aluminum galvanization, and its ability to resist corrosion caused by mud is better than that of hot-dip zinc galvanization. They are the ideal materials for auto mufflers, exhaust pipes, food dryers, water heaters, etc. In addition, its heat reflection ratio exceeds 75% and is twice as high as zinc galvanized steel sheets; 
(3) Excellent properties for being coated and processed. They are highly adhesive to organic color coatings. Its processed and welded properties are similar to those of zinc galvanized steel sheets. They can be bent and pressed while maintaining exceptionally beautiful appearance. Since aluminum is lighter than zinc (the density of aluminum and zinc galvanization is 3.7kg/dm3 as compared with 7.1kg/dm3 for zinc galvanization), for galvanization of the same thickness, aluminum and zinc galvanization reduces the amount of metal used and hence results in cost savings.

Packing and shipping: 
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet

Warehouse for HGI coils 
Prime Galvanized Steel Coils Hgi Strips High Quality Galvalume Steel Sheet

 

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