Hot-dip Galvanized Steel – GI/CRCG

Hot-dip galvanized steel products are now being used in a wide range of automobiles, electrical equipments and other industrial machinery as well as in civil engineering and construction.

POSCO GI/GP/GPSP steel products are Zero Spangle, Uniform Surface roughness, Strong Zinc bonding layer and characterized in excellent formability, weldability, paintability as well as anit corrosion, they can meet the high quality requirements of the users.

Applications

Product Details

Classification POSCO India Pune Processing Canter
Available Size
Thickness (mm)
0.40 ~ 2.30
Width (mm)
800 ~ 1,860
Weight (Ton)
Max 35
Product Grade
Commercial, Drawing, Deep Drawing, Extra Deep Drawing, Structural, High-strength Steel, BH, AHSS (DP590 & DP780), Hot Press Forming (HPF1470)
Coating Weight (g/m2)
Both side 60 ~ 600
Inner Diameter (mm)
508(20”) / 610(24″)

Products, Characteristics & Applications

Hot-dip Galvanized (GI/GP) - Mild Steel

Grades / Specs

Classification POSCO Specification (GI & GA) EN JIS Characteristics Applications
Commercial Quality (CQ)
CGCC
EN-DX51D
JS-SGCC
Used for the parts requiring bending & simple forming
Bus Body, Fuel Tank, Drums, Furniture
Drawing Quality (DQ)
CGCD
EN-DX53D
JS-SGCD1
Suitable for drawing parts
Automobile Inner Parts, General arts, Automobile Filter Housing
Deep Draw Quality (DDQ)
CGCN
EN-DX54D
JS-SGCD2
Non Ageing quality used for Deep drawing parts with good Drawability
Automobile Inner & Outer parts like Roofs, Fenders, Bannet inner, Tunnel
Extra Deep Draw Quality (EDDQ)
CGCE
EN-DX56D
JS-SGCD3
Ultra Low Carbon Steel with excellent deep draw quality
Automobile Inner & Outer parts like Side Panels, Tail Gate, Quarters, Automobiles Fuel Tanks
Super Extra Deep Draw Quality (S-EDDQ)
CGCX
EN-DX57D

Mechanical Properties

Grade Class 0.2% YS, Mpa
Spec. Max
TS, Mpa
Spec. Min
El %
Spec. Min
CQ
GI / GA
280
270
33 / 31
DQ
GI / GA
240
270
37 / 35
DDQ
GI / GA
210
270
41 / 39
EDDQ
GI / GA
180
270
43 / 31
S-EDDQ
GI / GA
160
260
45

Hot-dip Galvanized (GI) - High Strength Steel (HSLA)

Grades / Specs

Classification POSCO Specification (GI & GA) EN JIS Characteristics Applications
Bake Hardening Steel (BH)
PGY180B(GI)
HX180BD+Z
This is the high strength material in which yeild strenghth is increased after backing to become more dent resistance & higher formability
Automobile outer parts like Hood & Doors
PAY180B(GA)
HX180BD+ZF
PGY210B(GI)
HX220BD+Z
PAY210B(GA)
HX220BD+ZF
HSLA (High Strength Low Alloy Steel)
CGCHS260Y
HX260LAD
SGC340
This is the high strength material manufactured by adding precipitation hardening elements to low Carbon Steel. Used in automobile mainly for rainforcing elements
Kinds of Member-Reinforcing Materials
CGCHS300Y
HX300LAD
CGCHS340Y
HX340LAD
SGC400
CGCHS380Y
HX380LAD
SGC440
CGCHS420Y
HX420LAD
SGC490
IF HSS Steel
CGCHS35E
HX220YD
This is ultra-low carbon steel with special elements such as Ti added. it has high elongation rate and used in automobile where high strength and deep drawability requiered.
Automobile outer parts like Hood, Automobile Inner Parts, Floor, Reinforcement
CGCHS40
HX260YD
CHCHS45E
Dual Phase (DP)
CGCHS60DP
HCT590X
This is high strength and high formability properties by its duel phase structure consisting of micro ferrite & martensite.
Kinds of Member-Reinforcing Materials
CGCHS80DP
HCT780X

Mechanical Properties

Grade Guaranteed Value Class 0.2% YS, Mpa
Spec. Max
TS, Mpa
Spec. Min
El %
Spec. Min
PGY180B(GI)
YS
GI/GA
180
270
40
PAY180B(GA)
PGY210B(GI)
YS
GI/GA
210
340
34
PAY180B(GA)
CGCHS260Y
YS
GI/GA
260
350
28
CGCHS300Y
YS
GI/GA
300
380
22
CGCHS340Y
YS
GI/GA
340
410
20
CGCHS380Y
YS
GI/GA
380
460
18
CGCHS420Y
YS
GI/GA
420
490
16
CGCHS35R
TS
GI/GA
186
340
35
CGCHS40
TS
GI/GA
230
390
27
CGCHS45
TS
GI/GA
275
440
27
CGCHS35E
TS
GI/GA
175
340
34
CGCHS40
TS
GI/GA
215
390
30
CHCHS45E
TS
GI/GA
255
440
27
CGCHS60DP
TS
GI/GA
340
590
20
CGCHS80DP
TS
GI/GA
450
780
16

BIS Certified

Steel Product Posco Item (Item code) Steel Works Items BIS Grade Thickness Width Length
Galvanized Steel Sheets, plain in the form of coil
GI
Gwangyang
Strips (Coil)
GP, GPL, GPD, GPED, GPIF, GP300, GP350 class2, GP450 & GP550
Thickness:
For Grade GP: 0.20 mm ~ 4.0 mm
For Grades GPL, GPD, GPED: 0.2 mm ~ 2.3 mm
For Grade GPIF: 0.2 mm ~ 2.0 mm
For Grade GP300 – 0.2 mm ~ 3.6mm
For Grade GP350 Class 2: 0.2 mm ~ 3.2 mm
For GP450: 0.2 mm ~ 3.2 mm
For GP550: 0.2 mm ~ 2.3 mm

Coating Weight:
GP, GP300, GP350 Class2, GP450 & GP550: Upto and including 600 gsm
GPL, GPD, GPED & GPIF: Upto and including 350 gsm
600 mm ~ 1,860 mm
Coil Form
Galvanized Steel Sheets, plain in the form of coil
GI
Pohang
Strips (Coil)
GP450
Thickness: Upto and including 2.18 mm

Coating Weight: Upto and including 120 gsm
Upto and including 1650 mm
Coil Form
Galvanized Steel Sheets, plain in the form of coil
GI
POSCO TCS, Thailand
Strips (Coil)
GP, GPL, GPD, GPED
Thickness:
For Grade GP: 0.30 mm ~ 2.00 mm
For Grade GPL: 0.30 mm ~ 2.30 mm
For Grade GPD: 0.30 mm ~ 1.45 mm
For Grade GPED: 0.30 mm ~ 1.45 mm

Coating Weight:
GP: 80~275 gsm
GPL: 80~180 gsm
GPD: 80~220 gsm
GPED: 80~180 gsm
800 mm ~ 1,860 mm
Coil Form

Note: The product standards are for reference. Please be sure to confirm the recent standards when making orders with Technical Services.

Customer Enquiry

Please connect with POSCO with your inquiries at the nearest Processing Center