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[_private/prod.htm]
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Thickness : 2 - 13 MM
Width : 1000 - 1829 MM
Ladle chemical analysis shall conform to
requirements given in table 1 |
Table.1 |
Steel grades and
standard designation |
Ladle chemical analysis ,% |
C
|
Si
|
Mn
|
S |
P |
Cr |
Ni |
Cu |
N |
Mo/Al |
max |
| JIS G 3101 |
SS 330
(St 2ps,sp) |
0.09-0.15 |
0.05-0.30 |
0.25-0.30 |
0.050 |
0.040 |
0.30 |
0.30 |
0.30 |
0.008 |
- |
For thicknesses 2.0-3.9 mm
SS 400
(St 3sp) |
0.15-0.20 |
0.15-0.30 |
0.50-0.80 |
# |
# |
# |
# |
# |
# |
- |
For thicknesses 4.0-10.0 mm
SS 400
(St 3 Gps, sp) |
0.14-0.19 |
0.05-0.30 |
0.80-1.10 |
# |
# |
# |
# |
# |
# |
- |
| JIS G 3132 |
Mo |
SPHT 1
SPHT 2
SPHT 3 |
0.05-0.10
0.12-0.18
0.17-0.24 |
0.05-0.17
0.05-0.17
0.05-0.17 |
0.25-0.50
0.35-0.60
0.35-0.90 |
0.040
#
# |
0.035
#
# |
0.10
#
# |
0.30
#
# |
0.30
#
# |
-
-
- |
-
-
- |
| ASTM A570/A570 M |
Al |
30
33,36,40
45
50 |
0.09-0.15
0.14-0.22
0.09-0.15
0.14-0.20 |
0.05-0.30
0.05-0.30
0.05-0.80
0.40-0.60 |
0.25-0.30
0.40-0.65
0.80-1.20
1.00-1.35 |
0.040
#
#
# |
0.35
#
#
# |
0.30
#
#
# |
0.40
0.40
0.30
0.30 |
0.40
0.40
0.30
0.30 |
-
-
-
- |
0.12
0.12
0.12
0.12 |
| DIN 1614 |
St 22
(08 ps) |
max.0.10 |
max.0.040 |
0.20-0.45 |
0.025 |
0.030 |
0.10 |
0.10 |
0.15 |
0.008 |
0.020-0.070
|
RR St 23
(08 ps) |
max.0.10 |
0.050-0.170
|
0.20-0.45 |
0.030 |
0.030 |
0.10 |
0.30 |
0.30 |
- |
0.020-0.070
|
St 24
(08 Yu) |
max.0.08 |
max.0.040 |
0.20-0.40 |
0.025 |
0.025 |
0.10 |
0.10 |
0.15 |
0.008 |
0.020-0.070
|
| Mechanical properties for JIS G 3101 given
in table 2 |
Table 2 |
Steel grade
JIS G 3101 |
Tensile
strength
N/mm2 |
Yield
strength
N/mm2
min |
Elongation
min, % |
Test piece
and gauge
length |
Cold bend
test on 180
for pin
diameter |
Test
piece |
SS 330 |
330-430 |
205 |
26 (for
thickness 5 mm
and under)
21 (for thickness
over 5 mm) |
N5,L=50 mm
N1A,L=200 mm |
d=0.5a |
N1,
Sx35x250
S-thickness of
material, mm |
SS 400 |
400-510 |
245 |
21 (for
thickness 5 mm
and under)
17 (for thickness
over 5 mm) |
N5,L=50 mm
N1A,L=200 mm |
d=1.5a |
N1,
Sx35x250 |
| Mechanical properties for JIS G 3132 given
in table 3 |
Table 3 |
Steel grade
JIS G 3101 |
Tensile
strength
N/mm2,min. |
Elongation
, % , min
(L = 50 mm) for thiknesses, mm |
Bendability
Inside radius, mm |
1.6-3.0
excl. |
3.0-6.0
excl. |
6.0-13.0
Incl. |
3.0 and
under |
over 3.0-13
Inc. |
SPHT 1 |
270 |
32 |
35 |
37 |
d=0 |
d=0.5 a |
SPHT 2 |
340 |
27 |
30 |
32 |
d=1a |
d=1.5 a |
SPHT 3
|
410 |
22 |
25 |
27 |
d=1.5 a |
d=2 a |
| Mechanical properties for ASTM A570/A570M
given in table 4 |
Table 4 |
Steel grade
ASTM
A570/A570M |
Tensile
strength
N/mm2,min, min. |
Yield
strength
N/mm2, min. |
Elongation
, % , min |
Minimum
inside
Radius for 90°
cold bending-d
a-thikness of
material |
| L
= 50 mm |
L = 200 mm |
2.0-2.5 |
2.5-6.0 |
2.5-6.0 |
30
33
36
40
45
50 |
340
360
365
380
415
450 |
205
230
250
275
310
345 |
24.0
22.0
21.0
20.0
18.0
16.0 |
25.0
23.0
22.0
21.0
19.0
17.0 |
19.0
18.0
17.0
16.0
14.0
12.0 |
d=1 a
d=1a
d=1.5a
d=2a
d=2a
d=2.5a |
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