ASTM Grade50 Hot DIP Zinc Sheet Roll Galvanised Steel Coil for Construction

• After-sales Service: 24 Hours Online
• Standard: ASTM, JIS, GB, AISI, DIN, BS
• Certification: ISO
• Surface Treatment: Galvanized
• Technique: Hot Dipped
• Application: Container Plate
• Model NO.: SGCC
• Edge: Slit edge
• Stock: Stock
• Model No.: Dx51d+Z80
• Thickness: 0.25-2mm or as Required
• Width: 1220mm or as Required
• Specific: Customized
• Trade Term: EXW, Fob, CIF, CFR
• MOQ: 5 Tons
• Tolerance: +/-1%
• Spangle: Big Spangle, Normal Spangle, Small Spangle, Non-Sp
• Coil Weight: 3-8 Tons
• Feature: Durable, Rust and Corrosion Resistance
• Transport Package: Standard Seaworthy Package
• Specification: 1220*C or customized
• Trademark: Ruilaibo
• Origin: China
• HS Code: 7210490000
• Production Capacity: 5000 Tons/ Month

Product Description

Product Description

Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 449 °C (840 °F).

Galvanized steel is widely used in applications where corrosion resistance is needed without the cost of stainless steel, and is considered superior in terms of cost and life-cycle. It can be identified by the crystallization patterning on the surface

 We are a GI  manufacturer in Shandong, China. Our GI (Galvanized Steel) & PPGI (Prepainted Galvalume Steel) are available in a variety of specifications.

 

Product Name	Galvanized Steel Coil
Material and zinc coating	z40 z60 z100 z180 z275 z350 SGH340 SGH440 DX51D DX52D DX53D DX54D DX55D SGC340 SGC440
Width	600mm-1500mm,according to customer's requirement
Thickness	0.12-6mm,or customer's requirement
Length	6-12m or according To Customer's Demends
Surface Structure	Normal spangle coating(NS),minimized spangle coating(MS),spangle-free(FS)
Advantages	1.Low foundation cost 2.Easy construction 3.Time and labor saving
Type of Coating	Hot Dipped Galvanized Steel(HDGI)/Electro-Galvanised Steel(EGI)
Surface Treatment	1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement
Product Application	1. Fence, greenhouse, door pipe,greenhouse 2. Low pressure liquid, water, gas, oil, line pipe 3. For both indoor and outdoor the building construction 4. Widely used in scaffolding construction which is much cheaper and convenient
Packing	Standard seaworthy packing
Trade Terms	FOB CIF CFR EXW

The steps in the galvanizing process are as follows:
1.The steel is cleaned in a degreasing solution
2.After being cleaned, the steel is pickled by being lowered into a vat of diluted hot sulfuric acid
3.The steel is then fluxed in an aqueous solution (typically zinc-ammonium chloride)
4.After the flux, the steel is galvanized through immersion in a vat of molten zinc
5.Afterward, the steel is inspected for consistency and a complete coating

Mechanical properties

Grade	Yield strength MPa	Tensile strength MPa	Fracture elongetion not less than %
DX51D+Z		270-500	22
DX52D+Z	140-300	270-420	26
DX53D+Z	140-260	270-380	30
DX54D+Z	120-220	260-350	36
DX56D+Z	120-180	260-350	39

Base metal type	Grade	CHEMICAL COMPOSITION %
		C	Si	Mn	P
Cold rolled steel sheet	DC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF	≤0.10	-	≤0.50	≤0.035
	DC52D+Z (St04Z), DC52D+ZF	≤0.08	-	≤0.45	≤0.030
	DC53D+Z (St05Z), DC53D+ZF	≤0.08	-	≤0.40	≤0.030
	DC54D+Z (St06Z), DC54D+ZF	≤0.01	≤0.10	≤0.30	≤0.025
	DC56D+Z (St07Z), DC56D+ZF	≤0.01	≤0.10	≤0.30	≤0.025
Hot rolled steel sheet	DD51D+Z (St01ZR, St02ZR)	≤0.10	-	≤0.50	≤0.035
	DD54D+Z (St06ZR)	≤0.01	≤0.10	≤0.30	≤0.025

Material:	SG550/SG280/SG350DX51D+Z		SGCC/ CS TYPE
Finish	NBMinimized Spangle (M)
Surface Treatment	Chemically Passivated (C)
Oil	Not Oiled
Zinc	Z30--275
Thickness tolerances	Normal thickness tolerances	0.40 < thickness ≤ 0.60	± 0.060
		0.60 < thickness ≤ 0.80	± 0.070
		0.80 < thickness ≤ 1.00	± 0.080
		1.00 < thickness ≤ 1.20
Width tolerances		1200 < width ≤ 1500	6 ~ 0

Detailed Photos

 

Applications

 

Quality Inspection

Certifications

Packaging & Shipping

 

FAQ

Q: What is your terms of payment?
A: 30%  TT in advance and balance paid before loading.

Q: Could you provide sample?
A: Yes, we are honored to offer you samples for quality check.

Q: How is the quality of your products?
A: Our products are manufactured strictly according to national and international standard, and we take a test before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.

Q: How long does it take for samples and mass production?
A: Usually it will take3-5 days for ready molds, 15-20days for new molds and samples after confirmation, 25-30 days for mass production.