Description

ASTM A653 Galvanized Steel Coil is hot-dip galvanized coil or electro-galvanized steel sheet manufactured according to the ASTM A653/A653M standard established by the American Society for Testing and Materials (ASTM). It is widely used in industrial fields requiring high corrosion resistance, strength, and formability.

Features of ASTM A653 Galvanized Steel Coil:

ASTM A653 Galvanized Steel Coil offers diverse substrate types, including carbon structural steel (such as CS Type A/B), high-strength low-alloy steel (HSLA), and high-strength structural steel (FS Type B), meeting various strength and formability requirements.

ASTM A653 Galvanized Steel Coil provides strong protective performance with its galvanized coating: Common coating designations such as G60 (total zinc weight on both sides 0.60 oz/ft² ≈ 183 g/m²) and G90 (≈ 275 g/m²) provide medium to high corrosion resistance. Z275 Hot Dip Galvanized Steel Coil is a hot-selling high-zinc coated galvanized steel coil product.

The zinc layer ASTM A653 Galvanized Steel Coil is uniform and dense with good adhesion, effectively delaying substrate corrosion.

ASTM A653 Galvanized Steel Coil offers controllable mechanical properties: yield strength, tensile strength, elongation, etc., are determined by the base material. For example, FS Type B possesses higher strength and toughness, making it suitable for structural components.

Excellent surface quality: Cold rolling ensures high dimensional accuracy and a smooth surface, facilitating subsequent painting, stamping, or bending.

Compatible with multiple processes: ASTM A653 Galvanized Steel Coil is suitable for leveling, slitting, stamping, welding and other deep processing.

Applications of ASTM A653 Galvanized Steel Coil:

Construction Industry: Light steel structures, prefabricated steel houses, metal roofs, profiled sheets, door and window reinforcement profiles, gypsum board fasteners, etc.

Automotive Industry: Body panels, structural components, chassis parts, balancing lightweight and corrosion resistance.

Home Appliance Manufacturing: Components requiring aesthetics and rust prevention, such as casings and brackets.

Machinery and Equipment Manufacturing: Frames, protective covers, transmission components, etc.

Other applications: ASTM A653 Galvanized Steel Coil can also be used for elevator decoration, containers, solar panel brackets, rail vehicles, pressure vessels, etc.

Mechanical Properties of ASTM A653 Galvanized Steel Coil:

CLASSIFICATION	TYPE	YIELD STRENGTH (Mpa) Min.	TENSILE STRENGTH (Mpa) Min.	ELONGATION in 50mm Min.(%)
ASTM A653	CS type A	170/380	–	≥ 20
	CS type B	205/380	–	≥ 20
	CS type C	170/410	–	≥ 15
	FS type A	170/310	–	≥ 26
	FS type B	170/310	–	≥ 26
	DDS	140/240	–	≥ 32
	EDDS	105/170	–	≥ 40
	SS-Gr 230/Gr A/ Gr 33	230	310	20
	SS-Gr 255/Gr B/ Gr 37	255	360	18
	SS-Gr 275/Gr C/ Gr 40	275	380	16
	SS-Gr 340 C1/Gr D/ Gr 50	340	450	12
	SS-Gr 340 C2/Gr E/ Gr 50	340	–	12
	SS-Gr 340 C3/Gr F/ Gr 50	340	480	12
	SS-Gr 550/Gr E/ Gr 80	550	570	–

Chemical Composition of Galvanized Steel Coil:

Standard	Grade	C	Si	Mn	P	S	Ti
Forcold Forming Chinese Standard	DX51D+Z	0.12	0.5	0.6	0.1	0.045	0.3
	DX52D+Z	0.12	0.5	0.6	0.1	0.045	0.3
	DX53D+Z	0.12	0.5	0.6	0.1	0.045	0.3
	DX54D+Z	0.12	0.5	0.6	0.1	0.045	0.3
	DX56D+Z	0.12	0.5	0.6	0.1	0.045	0.3
	DX57D+Z	0.12	0.5	0.6	0.1	0.045	0.3
Forcold Forming Japanese Standard	SGCC	0.15	0.5	0.8	0.05	0.03	0.025
	SGCD1	0.12	0.5	0.6	0.04	0.03	0.025
	SGCD2	0.1	0.5	0.45	0.03	0.03	0.025
	SGCD3	0.08	0.5	0.45	0.03	0.03	0.025
	SGCD4	0.06	0.5	0.45	0.03	0.03	0.025
For Structure Japanese Standard	SGC340	0.25	0.5	1.7	0.2	0.035	0.025
	SGC400	0.25	0.5	1.7	0.2	0.035	0.15
	SGC440	0.25	0.5	2	0.2	0.035	0.15
	SGC490	0.3	0.5	2	0.2	0.035	0.025
	SGC510	0.3	0.5	2.5	0.2	0.035	0.025
For Structure AISI Standard	S220GD+Z	0.2	0.6	0.7	0.1	0.045	0.025
	S250GD+Z	0.2	0.6	0.7	0.1	0.045	0.025
	S280GD+Z	0.2	0.6	0.7	0.1	0.045	0.025
	S320GD+Z	0.2	0.6	0.7	0.1	0.045	0.025
	S350GD+Z	0.2	0.6	0.7	0.1	0.045	0.15
	S550GD+Z	0.2	0.6	0.7	0.1	0.045	0.15

Mechanical Properties of Galvanized Steel Coil:

Grade	Yield Strength MPa≥	Tensile Strength MPa≥	Elongation A%≥
DX51D Z/ZM/AZ/AM	240-380	270-500	22
DX52D Z/ZM/AZ/AM	140-300	270-420	26
DX53D Z/ZM/AZ/AM	140-260	270-380	30
DX54D Z/ZM/AZ/AM	120-220	260-350	36
S220GD Z/ZM/AM	220	300	20
S250GD Z/ZM/AZ/AM	250	330	19
S280GD Z/ZM/AM	280	360	18
S300GD A/AM	300	380	18
S320GD Z/ZM/AM	320	390	17
S350GD Z/ZM/AZ/AM	350	420	16
S450GD A/AM	450	480	15
S550GD Z/ZM/AZ/AM	550	550	–

Standards and Classifications

Technical Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Steel Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer’s Requirement
Type	Coil/Sheet/Plate/Strip
Thickness	0.12-6.00mm,or customer’s requirement
Width	600mm-1500mm, according to customer’s requirement
Type of Coating	Hot Dipped Galvanized Steel (HDGI)
Zinc Coating	30-275g/m2
Surface Treatment	Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
Surface Structure	Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
Quality	Approved by SGS,ISO
ID	508mm/610mm
Coil Weight	3-20 metric ton per coil
Package	Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer’s requirement
Export market	Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc