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Date: 26/09/2018 09:56:08 



 

 

[_private/prod.htm]
.
.
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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