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    DX52D GI

    DX52D 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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