Galvannealed Steel Sheet (GA)

Galvannealed steel(GA) offers significant improvements in weldability and paintability by undergoing a simple pre-treatment process. After the coating process, a special heat treatment forms an alloy layer between the galvanized layer and the metal base.

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A. SPECIFICATION  :

Specification

Designation Type

KS D 3506

JIS G 3302

ASTM

EN

cold- rolled base metal used

hot- rolled base metal used

cold- rolled base metal used

hot- rolled base metal used

OLD

A653-97

Commercial Quality

SGCC

SGHC

SGCC

SGHC

A 526

CS Type A & B

EN 10142

Lock Forming Quality

-

-

-

-

A 527

CS Type C

 

Commercial Soft Quality

SGCC-L

-

SGCC-L

-

A 526-L

FS Type A & B

EN 10142

Commercial Soft Quality

SGCH

-

SGCH

-

-

-

-

Drawing Quality

SGCD1

-

SGCD1

-

A 528

DDS

EN 10142

SGCD2

SGCD2

EDDS

SGCD3

SGCD3

 

Structural Quality

SGC340

SGH340

SGC340

SGH340

A446

Grade 230

EN 10147

SGC400

SGH400

SGC400

SGH400

Grade 255

SGC440

SGH440

SGC440

SGH440

Grade 275

SGC490

SGH490

SGC490

SGH490

Grade 340

SGC570

SGH540

SGC570

SGH540

Class 1,2,3

 

 

 

 

Grade 550

B. SURFACE FINISH :

Surface Finish

Type

Surface Finish

Alloy coated iron-zinc

Galvannealed steel sheet has a highly workable iron-zinc alloy layer. Excellent paint-adherence properties, corrosion resistance and weldability make it ideal for use in home electrical appliances and buildings.

C. SURFACE TREATMENT : 

Surface Treatment

Type

Application

Chromate

General

Non-treated

General painting

Organic

Drawing

D. OILING :

Oiling

Oiling Type

Not oiled

oiled