Differences between Galvanized Steel Sheet and Galvalume Sheets

Differences between Galvanized Steel Sheet and Galvalume Sheets as following:
Galvanized Steel Sheet applications include domestic appliances, building applications, roofing, automotive parts (e.g. underbody), lighting fixtures, drums and various kinds of sections and profiled sheets.
Galvalume Sheets are commonly bought for roofing products. We can cut Galvalume Coil to your preferred size of sheet here in China, which will save you money on your domestic processing costs.

	Galvanized Steel Sheet	Hot rolled steel sheet
Typical size range	0.15 – 4.5mm Thick 600 to 1500mm Wide 1000 to 6000mm Long	0.3 – 2.0mm Thick 1000 to 1250mm Wide 1000 – 6000mm Long
Available specifications	EN 10326-2004 EN 10327-2004 JIS G3302 JIS G3321 ASTM A653 A653M ASTM A792 / A792M GB/T 2518-2004	EN 10326-2004 EN 10327-2004 JIS G3302 JIS G3321 ASTM A653 A653M ASTM A792 / A792M GB/T 2518-2004
Steel grades	DX51D+Z; SGCH; SGLCC; SGCD1; SGLCD1; CS TYPE A/B/C; FS TYPE A/B	DX51D+AZ; SGCH; SGLCC; SGCD1; SGLCD1; CS TYPE A/B/C; FS TYPE A/B
Zinc coating	40 to 140g/sqm on a cold rolled base 50 to 275g/sqm on a hot rolled pickled base	40 to 180g/sqm on a cold rolled base
Spangle	Zero and regular	Zero and regular
Surface treatment	Chromate passivation; environment protection passivation; oiling; phosphated; anti-finger print	Chromate passivation; environment protection passivation; oiling; phosphated; anti-finger print