DIMENSIONS
TOLERANCES (THICKNESS/WIDTH)
COIL SPECIFICATIONS
DIMENSIONS
COATING WEIGHT
AVAILABLE DIMENSIONS
MECHANICAL PROPERTIES
KIND OF PRODUCT
COATING CHEMICAL COMPOSITION
SURFACE TREATMENT
COATING SURFACE FINISHED
DIMENSIONS |
|
|
Thickness (mm) |
Width (mm) |
0.20 - 1.20 |
600 - 1250 |
TOLERANCES (THICKNESS/WIDTH) |
|
|
|
Nominal Thickness (t) |
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/m 2 ) |
ASTM 525-87 / ASTM 653-96 |
JIS (G 3302 1994) |
SCB.CGL |
Average Coating Mass in Spot Test on both surfaces |
Minimum Coating Mass in Triple Spot Test on both surfaces |
G-90 |
Z 27 |
Z 27 |
275 |
234 |
| |
Z 22 |
Z 22 |
220 |
187 |
G-60 |
Z 18 |
Z 18 |
180 |
153 |
G-40 |
Z 12 |
Z 12 |
120 |
102 |
AVAILABLE DIMENSIONS
|
| |
| |
Nominal Zinc Coating Weight |
183 |
214 |
244 |
305 |
SNI No |
Minimal Weight-Direct measurement |
137 |
168 |
198 |
244 |
07-2053-1995 |
Minimal Weight-Indirect measurement |
122 |
153 |
183 |
214 |
BJLS |
Base Metal Thickness (mm) |
Both Surfaces (g/m 2 ) |
20 |
0.20 |
x |
|
|
|
25 |
0.25 |
x |
|
|
|
30 |
0.30 |
|
x |
|
|
35 |
0.35 |
|
x |
|
|
40 |
0.40 |
|
|
x |
|
45 |
0.45 |
|
|
x |
|
50 |
0.50 |
|
|
x |
|
60 |
0.60 |
|
|
|
x |
70 |
0.70 |
|
|
|
x |
80 |
0.80 |
|
|
|
x |
90 |
0.90 |
|
|
|
x |
100 |
1.00 |
|
|
|
x |
110 |
1.10 |
|
|
|
x |
120 |
1.20 |
|
|
|
x |
MECHANICAL PROPERTIES |
| |
Quality |
Mechanical Properties |
Yield Strength (Mpa) |
Tensile Strenght (Mpa) |
Elongation (%) |
Hardness Value Rockwell Scale |
Hard Quality |
500 - 700 |
570 - 710 |
2 - 5 |
74 - 80 HR30T |
(0.20 up to 0.30 mm) |
|
|
|
84 - 88 HR15T |
Soft Quality |
270 - 370 |
350 - 400 |
28 - 38 |
50 - 60 HR30T |
(0.20 up to 1.20 mm) |
|
|
|
77 - 80 HR15T |
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 |
|
| *) These specification should be agreed upon mutual understanding between the purchaser and the manufacturer |
| |
| - 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 |
|
Regular Spangle - Bright |
|
