Classification and Designation (cold-rolled base metal used)
Applicable on and after January 1, 1991)
|
Classified Symbol |
Nominal thickness mm |
Application |
|
|
SI Unit |
(Reference ) Traditional unit |
||
|
SGCC |
SGCC |
0.25 and over, up to and incl. 3.2 |
Commercial |
|
SGCH |
SGCH |
0.11 and over, up to and incl. 1.0 |
Commercial, hard |
|
SGCD 1 |
SGCD 1 |
0.40 and over, up to and incl. 2.3 |
Drawing, class 1 |
|
SGCD 2 |
SGCD 2 |
0.40 and over, up to and incl. 2.3 |
Drawing, class 2 |
|
SGCD 3 |
SGCD 3 |
0.60 and over, up to and incl. 2.3 |
Drawing, class 3 |
|
SGC 340 |
SGC 35 |
0.25 and over, up to and incl. 3.2 |
Structural |
|
SGC 400 |
SGC 41 |
0.25 and over, up to and incl. 3.2 |
Structural |
|
SGC 440 |
SGC 45 |
0.25 and over, up to and incl. 3.2 |
Structural |
|
SGC 490 |
SGC 50 |
0.25 and over, up to and incl. 3.2 |
Structural |
|
SGC 570 |
SGC 58 |
0.25 and over, up to and incl. 2.0 |
Structural |
Minimum Coating Mass on Both Surfaces for Sheets or Coils Having the Same Coating on Both Surfaces
|
Coating Classification |
Symbol for coating mass on both surfaces |
Average coating mass in triple-spot test on both surfaces |
Minimum coating mass at a single spot on both surfaces |
|
Non alloyed |
(Z 06) |
(60) |
(51) |
|
Z 08 |
80 |
68 |
|
|
Z 10 |
100 |
85 |
|
|
Z 12 |
120 |
102 |
|
|
Z 18 |
180 |
153 |
|
|
Z 20 |
200 |
170 |
|
|
Z 22 |
220 |
187 |
|
|
Z 25 |
250 |
213 |
|
|
Z 27 |
275 |
234 |
|
|
Z 35 |
350 |
298 |
|
|
Z 45 |
450 |
383 |
|
|
Z 60 |
600 |
510 |
|
|
Alloyed |
(F 04) |
(40) |
(34) |
|
F 06 |
60 |
51 |
|
|
F 08 |
80 |
68 |
|
|
F 10 |
100 |
85 |
|
|
F 12 |
120 |
102 |
|
|
( F 18) |
(180) |
(153) |
Yield Point , Tensile Strength and Elongation (hot-rolled base metal used)
(Applicable on and after January 1, 1991)
|
Classified symbol |
Yield Point N/mm2 |
Tensile strength N/mm2 |
Elongation |
Test Place |
|
Nominal thickness 1.6 mm and over |
||||
|
SGHC |
----- |
---- |
---- |
No. 5 cut in rolling direction |
|
SGH 340 |
245 min |
340 min |
20 min |
|
|
SGH 400 |
295 min |
400 min |
18 min |
|
|
SGH 440 |
335 min |
440 min |
18 min |
|
|
SGH 490 |
365 min |
490 min |
16 min |
|
|
SGH 540 |
400 min |
540 min |
16 min |
Yield Point, Tensile Strength, Elongation and Non-aging (cold-rolled base metal used)
(Application on and after January 1, 1991)
|
Classified symbol |
Yield point N/mm2 |
Tensile Strength N/mm2 |
Elongation |
|||||
|
Nominal thickness mm |
||||||||
|
0.25 and over up to 0.40 |
0.40 and over, up to 0.60 |
0.60 and over, up to 1.0 |
1.0 and over, up to 1.0 |
1.6 and over up to 2.5 |
2.5 and over |
|||
|
SGCC |
---- |
----- |
---- |
---- |
---- |
---- |
---- |
--- |
|
SGCH |
---- |
----- |
---- |
---- |
---- |
---- |
---- |
--- |
|
SGCD 1 |
---- |
270 min |
---- |
34 min |
36 min |
37 min |
38 min |
--- |
|
SGCD 2 |
---- |
270 min |
---- |
36 min |
38 min |
39 min |
40 min |
--- |
|
SGCD 3 |
---- |
270 min |
---- |
(38) min |
40 min |
41 min |
42 min |
--- |
|
SGC 340 |
245 min |
340 min |
(20) min |
20 min |
20 min |
20 min |
20 min |
20 min |
|
SGC 400 |
295 min |
400 min |
(18) min |
18 min |
18 min |
18 min |
18 min |
18 min |
|
SGC 440 |
335 min |
440 min |
(18) min |
18 min |
18 min |
18 min |
18 min |
18 min |
|
SGC 490 |
365 min |
490 min |
(16) min |
16 min |
16 min |
16 min |
16 min |
16 min |
|
SGC 570 |
560 min |
570 min |
---- |
---- |
---- |
---- |
||
Standard Nominal Thickness
|
(0.27) (0.30) (0.35) 0.40 0.50 0.60 0.70 0.80 0.90 1.0 1.2 |
|
1.4 1.6 1.8 2.0 2.3 2.8 3.2 3.6 4.0 4.5 5.0 5.6 6.0 |
Tolerances on Thickness (cold-rolled base metal used)
|
Nominal thickness/Width |
Up to 630 |
630 and 0ver, up to 1000 |
1000 and over, up to 1250 |
1250 and over, up to 1600 |
1600 and over |
|
Up to 0.25 |
+/- 0.04 |
+/- 0.04 |
+/- 0.04 |
---- |
---- |
|
0.25 and over, up to 0.40 |
+/- 0.05 |
+/- 0.05 |
+/- 0.05 |
+/- 0.06 |
---- |
|
0.40 and over, up to 0.60 |
+/- 0.06 |
+/- 0.06 |
+/- 0.06 |
+/- 0.07 |
+/- 0.08 |
|
0.60 and over, up to 0.80 |
+/- 0.07 |
+/- 0.07 |
+/- 0.07 |
+/- 0.08 |
+/- 0.09 |
|
0.80 and over, up to 1.00 |
+/- 0.08 |
+/- 0.08 |
+/- 0.09 |
+/- 0.10 |
+/- 0.11 |
|
1.00 and over, up to 1.25 |
+/- 0.09 |
+/- 0.09 |
+/- 0.10 |
+/- 0.11 |
+/-0.13 |
|
1.25 and over, up to 1.60 |
+/- 0.10 |
+/- 0.11 |
+/- 0.12 |
+/- 0.13 |
+/- 0.15 |
|
1.60 and over, up to 2.00 |
+/- 0.11 |
+/- 0.12 |
+/- 0.13 |
+/- 0.15 |
+/- 0.17 |
|
2.00 and over, up to 2.50 |
+/- 0.13 |
+/- 0.14 |
+/- 0.15 |
+/- 0.17 |
+/- 0.19 |
|
2.50 and over, up to 3.15 |
+/- 0.15 |
+/- 0.16 |
+/- 0.17 |
+/- 0.19 |
+/- 0.21 |
|
3.15 and over |
+/- 0.17 |
+/- 0.18 |
+/- 0.20 |
+/- 0.21 |
---- |
Equivalent coating Thickness Unit : mm
|
Coating Mass symbol |
Z 06 |
Z 08 |
Z 10 |
Z 12 |
Z 18 |
Z 20 |
Z 22 |
Z 25 |
Z 27 |
Z 35 |
Z 45 |
Z60 |
|
Equivalent Coating thickness |
0.013 |
0.017 |
0.021 |
0.026 |
0.034 |
0.040 |
0.043 |
0.049 |
0.054 |
0.064 |
0.080 |
0.102 |
|
Coating Mass Symbol |
F 04 |
F06 |
F 08 |
F 10 |
F 12 |
F 18 |
|
Equivalent coating thickness |
0.008 |
0.013 |
0.017 |
0.021 |
0.026 |
0.034 |
Tolerances on Width Unit mm
|
Base Metal |
Hot Rolled base metal used |
Cold rolled base metal used |
|
|
Division of width/ Tolerance grade |
A |
B |
|
|
Up to and incl. 1500 |
+ 25 0 |
+10 0 |
+ 7 0 |
|
Over 1500 |
+ 10
|
||
Tolerances on Length Unit: mm
|
Hot-rolled base metal used |
Cold-rolled base metal used |
|
+ 15 0 |
+ 15 0 |
Shape
|
Maximum Values of Transverse Bending JIS G3302 |
|||
|
Width/Length |
Sheet |
Coil |
|
|
Under 2,000 |
2,000 and over |
||
|
Under 630 |
4 |
4/2,000 for arbitrary length |
|
|
630 and over |
2 |
2/2,000 for arbitrary length |
|
Flatness JIS G3302
|
Width/Kind |
Warpage |
Edge Waviness |
Middle Waviness |
|
Under 1,000 |
12 and below |
8 and below |
6 and below |
|
1,000 to 1250 excl. |
15 and below |
10(9) and below |
8 and below |
|
1250 to 1600 excl. |
15 and below |
12 (11) and below |
9 (8) and below |
|
1600 and over |
20 and below |
14 (13) and below |
10 and below |
Tolerance on thinckness (hot rolled base metal used) Units : mm
|
Width |
Up to 1000 |
1000 and over, up to1250 |
1250 and over, up to 1600 |
1600 and over |
|
Nominal thickness |
|
|
|
|
|
1.6 and over, up to 2.3 |
+0.17 |
+0.18 |
+0.20 |
+0.22 |
|
2.3 and over, up to 3.2 |
+0.21 |
+0.22 |
+0.27 |
+0.30 |
|
3.2 and over, up to 4.5 |
+0.30 |
+0.32 |
+0.35 |
- |
|
4.5 and over, up to 6.0 |
+0.33 |
+0.36 |
- |
- |
|
|
|