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DX52D GI

DX52D GI

JIS GRADE GI

Detailed description

JIS GRADE GI

Specifications

Thickness

0.14-1.0 mm

Width

600-1300 mm

Zinc Coating

40-120g/m2

Single weight

3-10 tons

Coil ID

508/610 mm

Thickness Tolerance

±0.02mm

Width Tolerance

±0.2mm

Certificate

ISO9001:2008, ISO14001:2004, OHSAS18001:1999, SGS, BV

Steel Grade

JIS

MOQ

25 T

Payment terms

T/T or L/C

Delivery time

Within 30 working days after deposit

Mechanical Properties of GI Substrate

Grade

Tensile test

Application

Yield strength

MPa

Yield Strength MPa

Tensile strength MPa

Elongation A80% ≥

DX51D+Z

270~500

22

Normal use

DX52D+Z

140~300

270~420

28

For drawing

DX53D+Z

140~280

270~380

30

For deep drawing

Spangle

Production Lines

Project

GI production line 1

GI production line 2

Max Speed

150-170 meters per minute

180-200 meters per minute

Capacity

0.2 million tons(planned)

0.25 million tons(planned)

Year of operation

2010

2011

Composition

Zn

C

Si

Mn

P

S

Al

98

0.100

0.200

0.400

0.100

0.045

0.50

As

Ti

Cr

Mo

Nb

B

N2

0.020

0.300

0.019

0.001

0.001

0.0001

0.002

Mechanical Property

Tensile Strength

(Rm/Mpa)

Yield Strength

(Rel/Mpa)

Elongation

(A80mm/%)

Passivation

Bend

60°Gloss

Pencil Hardness

270~500

140~300

≥22

Cr

0T

45±5

2H 45°

Characteristics of GI

Item

GI

GF(Zn-5%Al)

GL

AL

Service Life

Fair

Fair

Good

Good

Electrochemical Protection

Good

Good

Good

N/A

Welding Performance

Good

Fair

Poor

Poor

Application with Wet Concrete

Good

Poor

Very Poor

Very Poor

Thermal Resistance

Poor

Poor

Good

Excellent

Packing

Normal waterproof horizontal packing

Vertical waterproof packing for embossed coils, pearly-luster color coils and wrinkle finish coils

Exposure Test

Environment

GI

Average corrosion

Al-Zn

Average corrosion

g//y

um/y

g//y

um/y

Tough Manine Climate

140

9.8

16

2.2

Moderate Manine Climate

18

1.3

4

0.54

Industrial Climate

20

1.4

4.2

0.57

Countryside Climate

4

0.28

1.3

0.17

GI process

Certificate

 

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