1. Industrial Standard JIS G3321:2007
2.Grade SGLC570 (Yield Stress greater than 560 MPa and Ultimate Tensile Stress greater than 570 MPa)
3. Total thickness of the metal coating (TCT) is measured, excluding the paint layer.
- Thickness 0.25 but not more than 0.40 mm ± 0.05 mm.
- Thickness 0.40 but not more than 0.60 mm ± 0.06 mm.
- Thickness 0.60 but not more than 0.80 mm ± 0.07 mm.
4. The amount of metal coated on both sides
- Weight of metal coated randomly measured at 3 points of not less than 150 grams per square meter
- Weight of coated metal randomly measured at 1 point of not less than 130 grams per square meter
- Thickness not less than 0.054 mm.
4.7 (10)
