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Electro-galvanized Steel Sheet (Silver Top)
Standards
| Silver Top and Silver Top-ECO are manufactured under strict quality controls based on standards comparable to JIS G 3313. |
■ Substrate Types and Tempering Classifications
| Comparable JIS Standards |
Our Company's Standards |
Hardness (Reference Value) |
| Type |
Tampering Classification |
Tempering Code |
Tempering Code |
HR-30T |
Hv |
| SPCC |
Standard Tempering |
S |
SN, SO, SE |
Less than 58 |
Less than 115 |
| 1/8 hardness |
8 |
SUS |
48 to 62 |
95 to 130 |
| 1/4 hardness |
4 |
SU4, SU5 |
58 to 68 |
115 to 150 |
| 1/2 hardness |
2 |
2, 2C |
67 to 74 |
135 to 185 |
| Hardness |
1 |
9C, 1, 1R |
More than 71 |
More than 170 |
| SPCD |
Standard Tempering |
S |
SD, SD-CA |
Less than 58 |
Less than 115 |
■ Galvanized Coverage (Per Side)
| Nominal Coverage (g/m²) |
Minimum Coverage (g/m²) |
Comparable Plated Thickness (µm) |
| 3 |
2.50 |
0.4 |
| 5 |
4.25 |
0.7 |
| 10 |
8.50 |
1.4 |
| 15 |
12.75 |
2.1 |
| 20 |
17.00 |
2.8 |
Reference: Comparable JIS Codes
■ Type Codes and Applicable Display Thicknesses (Using Cold Rolled Substrates)
| Code Types |
Applicable Display Thickness (mm) |
Cold Rolled Substrate Type Codes Used |
Uses |
| SECC |
More than 0.4, Less than 3.2 |
SPCC |
General Purpose |
| SECD |
SPCD |
For Ties |
* Compatible display thickness from 25 µm to 1.6 mm.
■ Chemical Process Types and Codes
| Chemical Process Types |
Code |
| Chromate Process |
C |
| Phosphate Process |
P |
| Chromate Free Process |
NC |
| Chromate Free Phosphate Process |
NP |
| Non Processed |
M |
* Compatible chemical processes are NC, NP and M.
■ Lubrication Types and Codes
| Lubrication Types |
Code |
| Lubrication |
O |
| Non Lubrication |
X |
* Ask us about oil types.
■ Galvanized Coverage Label Codes
| Galvanized Coverage Label Codes |
Minimum galvanized coverage (g/m²) |
Standard galvanized coverage (g/m²) |
| ES |
- |
- |
| EB/EB |
2.5 |
3 |
| E8/E8 |
8.5 |
10 |
| E16/E16 |
17 |
20 |
| E24/E24 |
25.5 |
30 |
| E32/E32 |
34 |
40 |
| E40/E40 |
42.5 |
50 |
* The table above is for uniform thickness plating. * Compatible standard galvanized coverage is 5 to 30 g/m² for each 5 g/m².
List of Compatible JIS Code Comparable Products
■ List of Compatible JIS Code Comparable Products
| Comparable JIS Codes |
Comparable Product Specification Codes |
| SECC-NC |
HE-71, HE-72, HE-73, ZE-36, ZE-38, ZEB26, BEP22, BEX28 |
| SECC-NP |
TE-90, TE-91 |
| SECC-M |
Non Processed Silver Top |
| SECD-NC |
HE-71, HE-72, HE-73, ZE-36, ZE-38, ZEB26, BEP22, BEX28 |
| SECD-NP |
TE-90, TE-91 |
| SECD-M |
Non Processed Silver Top |
* No JIS Code comparable products containing the following hexavalent chrome are manufactured because the Silver Top series is completely chrome free.
(SECC-C, SECC-P, SECD-C, SECD-P)
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