0.65mm*1220MM Full Hard Galvanized Steel Coil Chromated Free AZ200 G550
0.65mm* 1220MM Galvalume steel coils/sheets/strips Chromated Free AZ200 Full Hard G550
Specifications:
Thickness: 0.12—1.5mm
Width: 600—1260mm
Aluzinc Coating: 30-150G/M2.
Temper: Commercial Quality (50-75 HRB).
Full Hard (85-95 HRB; G550).
Spangle: Regular Spangle, minimum Spangle, Large Spangle
Surface treatment : Anti-finger print (Green ,Blue, Golden, Red ,Pink color)
Chromated 6+, Chromated Free, Oiled
Galvalume steel is also called Aluminum-Zinc Alloy Coated Steel, Zinc-alu steel, aluminized zinc steel (aluzinc steel), SGLC, The galvalume metal is composed of 55% aluminium, 43.4% zinc and 1.6% silicon solidified at 600 ~C. Its whole structure consists of aluminium-iron-silicon-zinc, forming a compact quaternary crystal alloy. The surface of the galvalume steel sheet is characterized by smooth, flat and gorgeous stars, and its base color is silver white. The special coating structure makes it have excellent corrosion resistance. The normal service life of galvalume steel sheet is up to 25a, and its heat resistance is good. It can be used in high temperature environment at 315 C. The adhesion between coating and paint film is good, and it has good processing performance. It can be punched, sheared and welded. The surface conductivity is very good.
2.Heat resistance:Aluminum zinc alloy steel has good heat resistance and can withstand high temperatures of more than 300 degrees Celsius. 3.Thermal reflexes:The heat reflectivity of Al Zn steel plate is very high, which is two times that of galvanized steel sheet.
4.Economical Efficiency:Since the density of 55% AL-Zn is smaller than the density of Zn, the aluminum-zinc-plated steel sheet is more than 3% larger than the area of the plated steel sheet when the weight is the same and the thickness of the gold-plated layer is the same.
| Product Series | Executive Standard | Grade | Class |
| Low carbon steel | GB/T 2518-2008 | DX51D+Z,DX52D+Z,DX53D+Z, DX54D+Z,DX56D+Z | FB,FC,FD |
| ASTM A653/653M-2011 | CS TpyeA,CS TpyeB,CS TpyeC | FB,FC,FD | |
| JIS 3302-2010 | SGCC,SGCD1,SGCD2 | FB,FC,FD | |
| Structural steel | GB/T 2518-2008 | S220GD,S250GD,S280GD, S320GD,S350GD,S550GD | FB,FC,FD |
| ASTM A653/653M-2011 | SS230,SS255,SS275,SS340, SS380,SS410,SS480,SS550 | FB,FC,FD | |
| JIS 3302-2010 | SGC340,SGC400,SGC440, SGC490,SGC570 | FB,FC,FD |
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