JIS G3321 - Galvalume Steel Coils - Nam Kim Steel

Nam Kim Steel Joint Stock Company
JIS G3321 - Galvalume Steel Coils     

Application of hot-dip Al-Zn coated steel sheet    
A.  Architecture
Roofs and outside walls of civilian and industrial buildings, garage doors, fencings and window blinds"     
B. Appliances Industry     
Outer clad sheets for washing machine, refrigerator, television, air conditioner and ventilation system, explosion-proof, strip, solar water heater and appliance parts     
C. Auto Industry
Muffler, heat shields of exhaust pipe and catalytic converter, auto parts & accessories under the frame, signboard in highway"     
D. Industrial Instruments     
Electric control cabinet, industrial refrigeration equipment, automatic vending machine     

Division		Contents
Thickness		0.20 - 1.20 MM
Width		800 - 1250 MM
Unit Coil Weight		4 - 12 Mt
Coil ID		508 / 610 MM

Mechanical properties

Classified Symbol	Yield point (N/mm2)	Tensile Strength (N/mm2)	Elongation					Test piece and direction of tensile test
			Norminal thickness (mm)
			0.25 - 0.4	0.4-0.6	0.6-1.0	1.0-1.6	1.6-2.5
SGLCC	205 Min	270 Min	20	21	24	24	24	No. in rolling direction
SGLCD	/	270 Min	/	27	31	31	32
SGLCDD	/	270 Min	/	32	34	34	34
SGLC400	295	400 Min	16	17	18	18	18
SGLC440	335	440 Min	14	15	16	16	18
SGLC490	365	490 Min	12	13	14	14	16
SGLC570	560	570 Min	/	/	/	/	/

Tolerance of thickness

Norminal Thickness (t)		Width
		630≤w<1000	1000≤w<1250
t<0.25		(+/-) 0.04	(+/-) 0.04
0.25≤t<0.40		(+/-) 0.05	(+/-) 0.05
0.40≤t<0.60		(+/-) 0.06	(+/-) 0.06
0.60≤t<0.80		(+/-) 0.07	(+/-) 0.07
0.80≤t<1.00		(+/-) 0.07	(+/-) 0.08
1.00≤t<1.25		(+/-) 0.08	(+/-) 0.09
1.25≤t<1.60		(+/-) 0.10	(+/-) 0.11

Tolerance of width

Width (w)		Tolerance
800 <w≤1250mm		(0,+7mm)

Coating

Unit: g/m2

Coating weight symbol		AZ70	AZ90	AZ120	AZ150	AZ170	AZ185	AZ200
Average coating mass in triple-spot test		70	90	120	150	170	185	200
Minimum coating mass at a single spot		60	76	102	130	145	160	175

			Chemical Treatment Type of chamical treatment Symbol Chromate treatment C Non-chromate treatment NC Un-treated M

If you have plan to import coated steel (GI, PPGI, GL, PPGL steel coil), kindly do not hesitate to contact us at:

Mr. Triet Le

Mobile: +84 965 047 865

Email: trietlm@namkimgroup.vn

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