Dimensions
|
Thickness (mm) |
Width (mm) |
|
0.20-1.20 |
600-1250 |
Tolerances (Thickness/Width)
|
Nominal Thickness (t) \ Width |
600 ≤ Width < 1000 |
1000 ≤ Width < 1219 |
|
t < 0.25 |
± 0.04 |
± 0.04 |
|
0.25 ≤ t < 0.40 |
± 0.05 |
± 0.05 |
|
0.40 ≤ t < 0.60 |
± 0.06 |
± 0.06 |
|
0.60 ≤ t < 0.80 |
± 0.07 |
± 0.07 |
|
0.80 ≤ t < 1.00 |
± 0.07 |
± 0.08 |
|
1.00 ≤ t < 1.25 |
± 0.08 |
± 0.09 |
Coil Specifications
|
I.D. (mm) |
± 508 |
|
O.D. (mm) |
800 - 2140 |
|
Max weight (MT) |
15 MT |
Dimensions
|
Commercial Grades |
For General Purpose Applications |
|
Drawing Grades |
For Drawing and Forming Applications |
|
Structural Grades |
These are produced with a Guaranteed Minimum Tensile Strength |
MINIMUM COATING MASS ON BOTH SURFACES
SCB Galvanized Steel is produced in a range of zinc coating thickness which are specified by coating weight classes in accordance with the prescribed standard. As an example the weight of Zinc coating for JIS G3302-1994 is shown in the following table :
Coating Weight
|
Specification |
Both Surfaces (g/m²) |
|
ASTM 525-87 |
JIS G |
Coating Mass Symbol (SCB/SNI) |
Minimum Average Coating Mass at Triple Sports |
Minimum Coating Mass at Single Spot |
|
ASTM 653-96 |
3302 : 2007 |
|
G - 90 |
Z 27 |
Z 27 |
275 |
234 |
|
|
Z 22 |
Z 22 |
220 |
187 |
|
|
Z 20 |
Z 20 |
200 |
170 |
|
G - 60 |
Z 18 |
Z 18 |
180 |
153 |
|
|
Z 14 |
Z 14 |
140 |
119 |
|
G - 40 |
Z 12 |
Z 12 |
120 |
102 |
|
|
Z 20 |
Z 20 |
100 |
85 |
Available Dimensions
SNI Table
|
Nomor |
Tebal Nominal Logam Dasar (mm) |
Simbol Massa Lapisan Seng |
|
01 |
0.20 - 0.25 |
Z10, Z12 |
|
02 |
0.30 - 0.35 |
Z14 |
|
03 |
0.40 - 0.50 |
Z18 |
|
04 |
0.60 - 1.20 |
Z20, Z22, Z27 |
Mechanical Properties
|
Symbol |
Tensile Test |
Curvature Test |
Hardness (HRB) |
|
Yield Strength, Minimum (N/mm²) |
Tensile Strength, Minimum (N/mm²) |
Strain, Minimum (%) |
Curved Angle (*) |
Curb Barb (t) |
|
SGCC |
- |
- |
- |
180 |
0t |
Max. 65 |
|
SGCH |
- |
- |
- |
180 |
0t |
Min. 85 |
|
G 250 |
250 |
320 |
25 |
180 |
0t |
- |
|
G 300 |
300 |
340 |
20 |
180 |
1t |
- |
|
G 550 |
550 |
550 |
2 |
180 |
2t |
- |
Kind of Product
SNI No. 07-2053-1995
Commercial Quality
ASTM
|
Specification |
Quality |
|
A 526-90 |
Commercial Quality |
|
A 527-90 |
Lockforming Quality |
|
A 523-90* |
Drawing Quality |
|
A 642-90* |
Drawing Quality - Special Killed |
|
A 446-76 |
Structural Quality |
|
A 653-96 |
Lockforming Quality, Commercial Steel, Type A, B, C Grade-80, Structural Steel Grade-33, Grade-37 |
JIS G 3302 (1994)
|
Specification |
Quality |
|
SGCC |
Commercial (Soft) |
|
SGCH |
Commercial Hard (Full hard) |
|
SGCD 1-2-3* |
Drawing Class 1-2-3 |
|
SGC 340 |
Structural |
|
SGC 400* |
Structural |
* These specification should be agreed upon mutual understanding between the purchaser and the manufacturer
Coating Chemical Composition
|
Fe |
Pb |
Al |
Zn |
|
0.11% |
0.06% |
0.13% |
99.70% |
Surface Treatment
|
Treatment |
Applications |
|
UnChromated and Dry |
Phospate and Painting |
|
Chromated and Dry |
General Purpose |
Coating Surface Finished
