GI ( Galvanized Steel Sheet )

Size Availability

Thickness (mm)	0.23 ~ 2.30
Width (mm)	500 ~ 1,270
Sheet Length (mm)	600 ~ 5,000
Coil Weight (Max.)	22.5 M/T
Coating Weight (Both Sides)	76 ~ 720 g/㎡
Coil Inner Diameter (mm)	508,610

Kinds of coating

- Regular spangle

- Minimized spangle

- Zero spangle

- Galvannealed

- Differential coating

Finish

- Phosphatized

- Extra smooth ( skin passed )

- Chemical treatment ( chromated )

- Oiled

Designation and Mechanical Requirements

Hot-Rolled base metal used

Designation	Thickness (mm)	Yield Point Min. (N/㎟)	Tensile Strength Min. (N/㎟)	Elongation Min. (%)	Test Piece
SGHC	1.6 ~ 6.0	-	-	-	No. 5 Cut in Rolling Direction
SGH340		245	340	20
SGH400		295	400	18
SGH440		335	440	18
SGH490		365	490	16
SGH540		400	540	16

Cold-Rolled base metal used

Designation	Thickness (mm)	Yield Point Min. (N/㎟)	Tensile Strength Min. (N/㎟)	Elongation Min. (%)						Test Piece
				Nominal Thickness Min.
				0.25 to 0.40 under	0.40 to 0.60 under	0.60 to 1.0 under	1.0 to 1.6 under	1.6 to 2.5 under	2.5 and over
SGCC	0.25 ~ 3.2	-	-	-	-	-	-	-	-	No. 5 Cut in Rolling Direction
SGCD1	0.40 ~ 2.3	-	270	-	34	36	37	38	-
SGCD2		-	270	-	36	38	39	40	-
SGCD3	0.60 ~ 2.3	-	270	-	38	40	41	42	-
SGC340	0.25 ~ 3.2	245	340	20	20	20	20	20	20
SGC400		295	400	18	18	18	18	18	18
SGC440		335	440	18	18	18	18	18	18
SGC490		365	490	16	16	16	16	16	16
SGC570	0.25 ~ 2.0	560	570	-	-	-	-	-	-

Weight of Zinc Coating

Zinc Coating Designation	Z 08	Z 10	Z 12	Z 18	Z 20	Z 22	Z 25	Z 27	Z 35	Z 45	Z 60
Minimum Weight of Zinc Coating (g/㎡)	80	100	120	180	200	220	250	275	350	450	600

Remarks

1. The minimum weight of zinc coating mentioned above indicates the minimum weight of zinc coating on both sides of
     sheet or coil.

2. The expresses the average measured weight of zinc coating of triple spot test pieces cut from the test sheet.