Galvanized Steel Coil

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional galvanized steel coil manufacturers and suppliers in China. Welcome to wholesale customized galvanized steel coil at competitive price from our factory. Good service and quality products are available.

 

Cold Rolled Galvanized Steel Coil Supplier__GNEE STEEL

Galvanized steel (GI) are mainly used in building, automobiles, metallurgy, electric equipments and more.

Building – roof, door, window, roller shutter door and suspended skeleton
Automobiles – vehicle shell, chassis, door, trunk lid, oil tank, and fender
Metallurgy – steel sash blank and color coated substrate
Electric equipements – refrigerator base and shell, freezer, and kitchen equipment
As a leading galvanized steel coil manufacturer, GNEE Steel adheres to strict quality standards to produce our galvanized steel coils/sheets. We guarantee our products meet our customer's requirement.

Item	Galvanized Steel Coil
Thickness	0.12mm-2mm
Width	600mm-2,000mm
Coil Weight	3-8 tons (can be customized)
Substrate	Hot rolled steel/Cold rolled steel
Surface Structure	Zero spangles, Small spangles, Regular spangles, Big spangles
Zinc Layer Thickness	30g/㎡-275g/㎡ (Z275/G90)
Standard	AISI, ASTM, BS, GB, JIS
Certificates	SGS, ISO 9001
Package	Standard export package

Note: If you want the width less than 600 mm, you can choose steel strips.

Introduction to GI Coil Codes

Material	Chinese Code	Japanese Code	European Code
Commercial Use	DX51D+Z/DC51D+Z (CR)	SGCC	DX51D+Z
Drawing Quality	DX52D+Z/DC52D+Z	SGCD1	DX52D+Z
Deep Drawing Quality	DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z	SGCD2/SGCD3	DX53D+Z/DX54D+Z
Structural Use	S220/250/280/320/350/550GD+Z	SGC340/400/440/490/570	S220/250/280/320/350GD+Z
Commercial Use	DX51D+Z/DD51D+Z (HR)	SGHC	DX51D+Z

 

Use Environment	Recommended Zinc layer Thickness
Indoor uses	Z10 or Z12 (100 g/㎡or 120 g/㎡)
Suburban area	Z20 and painted (200 g/㎡)
Urban or industrial area	Z27 (270 g/㎡) or G90 (American Standard) and painted
Coastal area	Thicker than Z27 (270 g/㎡) or G90 (American Standard) and painted
Stamping or deep drawing applications	Thinner than Z27 (270 g/㎡) or G90 (American Standard) to avoid coating peeling off after stamping

 

How to Choose Base Metal Based on Applications?

Uses	Code	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation at Break A80mm%
General uses	DC51D+Z	140 ~ 300	270 ~500	≧22
Stamping use	DC52D+Z	140 ~ 260	270 ~ 420	≧26
Deep drawing use	DC53D+Z	140 ~ 220	270 ~ 380	≧30
Extra deep drawing	DC54D+Z	120 ~ 200	260 ~ 350	≧36
Ultra-deep drawing	DC56D+Z	120 ~ 180	260 ~ 350	≧39
Structural uses	S220GD+Z S250GD+Z S280GD+Z S320GD+Z S350GD+Z S550GD+Z	220 250 280 320 350 550	300 330 360 390 420 550	≧20 ≧19 ≧18 ≧17 ≧16 /

 

Production Line

The annual capacity of Galvanized Line is 320,000 tons. We adopt the UEC hot dip galvanizing process which is the most advanced and wildly used in the world. The main specification of product is 0.15~1.5mm X 800~1250mm.

We could manufacture high performance GI with high zinc coating, non-spangle, minium spangle, regular spangle or big spangle along with the advanced processing of oiled and skin-passed. The product can be used in building materials and electrical appliance.

Quality Control

We have our own Physical & Chemical Testing Center Lab. to guarantee our product quality. Our test items & instrument fully meet international standards.

Application：

Crash guards, air blowers, air ducts, drainage ducts, ceiling brackets, electrical conduits, rolling door posts, automotive components, electrical equipment, refrigeration cabinets, iron rolling doors, car bodies, structural hardware, etc.

 

Galvanized Steel Coil Packing:

 

Company Profile:

GNEE Steel Co., Ltd. is a manufacturer and supplier of steel products, including production and processing, spot sales and customized services. The factory was established in 2008, covering an area of 36,000 square meters, and currently has 200 employees, including 6 senior engineers, 50 professional technicians, and 150 other employees. The company has 12 automated production lines with a daily output of 1,200 tons. We have complete testing equipment and strong technical force.
Main sales products: steel pipe series, steel plate series, precious metal series.
The company can provide processing services: laser cutting, CNC sawing machine, painting and sandblasting, welding production, shearing and bending, deep drawing and decomposition.
After many years of international steel trading, we have won the trust and good reputation of customers at home and abroad. The products are exported to more than 200 countries and regions including the United States, Canada, Australia, Germany, Russia, Brazil, Dubai, Philippines, Egypt, Pakistan, Saudi Arabia, and India.

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