hot dipped zinc coated structural steel

Model:	BL00023
Brand:	BAILE
Origin:	-
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Flat & Rolled Metallic Materials
Label:	G550 steel , G450 steel , High Tensile steel
Price:	US $820 / MT
Min. Order:	50 MT

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Product Description

High Tensile Galvanized Steel-G550/G450/G350

Cold rolled carbon steel as raw materials, continuous hot galvanizing.
Thickness: 0.3-3.0mm
Width: Less than 1250mm
Steel Grade: G550,G450,G350
Zinc Coating: Z 10 to Z 27
Internal Diameter: 508mm
Coil OD: 1000~1500mm
Surface treatment: Chromated, unoiled/oiled, bright finished, spangle, fingerprint resistance.
Coil Weight: Usually 2~8 tons per roll, we can produce as per customer's requests
Thickness tolerance: +/- 0.03mm
Applications: Draw quality, deep drawing, Cable industry, welding pipe, building material, construction material etc.
Annual production: 200,000 MT/year

High Tensile steel grade:G350,G450,G550

Chemistry Composition %

Steel grade	C%	Mn%	Si%	S%	P%
G350	≤ 0.15	≤ 0.95		≤ 0.035	≤ 0.035
G450	≤ 0.21	≤ 1.4		≤ 0.035	≤ 0.035
G550	0.12-0.20	1.20-1.60	0.20-0.60	≤0.050	≤0.045

Mechanical Properties

Steel grade	Tensile test
	Yield point σ_b(Mpa)	Strength of extension σ_b(Mpa)	Extensibility δ (%)
	≥	Strength of extension σ_b(Mpa)	≥
G350	350	370-450	≥ 26
G450	450	480-510	≥ 21
G550	550	590-660	22