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Hot-Dip Aluminium-Zinc Alloy Coated Steel

Features
The product is characterized by stronger corrosion resistance than hot-dip galvanized steel. It also provides excellent heat resistance and heat reflection property that Hot-dip Galvanized Steel cannot compare with.

Applications
Manufacturing
Parts in oven and toaster, transformer case, air conditioner part, motor case, oven, exhausted system, refrigerator black plate,
Construction
Air-duct, ceiling, wall partition, roofing

Specification
JIS G 3321 ??Hot-Dip Aluminium-Zinc Alloy Coated Steel

Grade and symbol (for hot-rolled based metal used)
Classified symbol Application
SGLHC Commercial quality
SGLH400 Structural quality
SGLH440
SGLH490
SGLH540

Grade and symbol (for cold-rolled based metal used)
Classified symbol Application
SGLCC Commercial quality
SGLCD Drawing quality
SGLC400 Structural quality
SGLC440
SGLC490
SGLC570

Minimum coating mass for equally coated sheet and coil (total mass on both surfaces, unit: g/m²)
Coating mass symbol Average coating mass in triple-spot test Minimum coating mass at a single spot
AZ90 90 76
AZ120 120 102
AZ150 150 130
AZ170 170 145

Tensile strength and yield point (for hot-rolled base metal used)
Classified symbol Tensile strength
N/mm²
Yield point
N/mm²
SGLHC 270 min. 205 min.
SGLH400 400 min. 295 min.
SGLH440 440 min. *
SGLH490 490 min. 365 min.
SGLH540 540 min. *
* The value shall be agreed between the purchaser and manufacturer

Tensile strength and yield point (for cold-rolled base metal used)
Classified symbol Tensile strength
N/mm²
Yield point
N/mm²
SGLCC 270 min. 205 min.
SGLCD 270 min. ---
SGLC440 400 min. 295 min.
SGLC440 440 min. 335 min.
SGLC490 490 min. 365 min.
SGLC570 570 min. 560 min.
* The value shall be agreed between the purchaser and manufacturer