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SM400 SM490 SM520 SM570

 

SM400/SM490 Hot rolled steel plate /sheet always be used in  the following field 
(1)SM400 Hot rolled steelused for metallurgical, mechanical, electrical construction field
(2)SM490 Hot rolled steel used for ships, military (armored) Construction
(3)SM400/SM490 steel plate /sheet used for outside engineering, machine tool base, automobile rear of products

JIS G 3106-1999
Rolled steels for welded structure
 
SM400 Hot rolled steel sheet  Chemical composition unit%

Symbol
 Chemical composition
C
 max
Si
max
Mn
 
P
max
S
max
0.23
-
2.5xc min
0.035
0.035
0.20
0.35
0.6-1.40
0.035
0.035
0.19
0.35
1.4 max
0.035
0.035
0.20
0.55
1.6 max
0.035
0.035
0.19
0.55
1.6 max
0.035
0.035
0.19
0.55
1.6 max
0.035
0.035
0.20
0.55
1.6 max
0.035
0.035
0.20
0.55
1.6 max
0.035
0.035
0.20
0.55
1.6 max
0.035
0.035
0.20
0.55
1.6 max
0.035
0.035
0.19
0.55
1.6 max
0.035
0.035

SM400 Hot rolled steel plate   Mechanical properties

Symbol
Yield point or proof stress
N/mm2 (min)
Tensile strength
N/mm2
Elongation
Thickness of steel mm
Thickness of steel mm
thinckness
Test piece
% min
16 or under
Over 16-40
100 or under
245
235
400-510
<5
NO.5
23
5 <16
NO.1A
19
16 <50
NO.1A
22
325
315
490-610
<5
NO.5
22
5 <16
NO.1A
17
16 <50
NO.1A
21
365
355
490-610
<5
NO.5
19
5 <16
NO.1A
15
16 <50
NO.1A
19
365
355
520-640
<5
NO.5
19
5 <16
NO.1A
15
16 <50
NO.1A
19
460
450
570-720
<5
NO.5
19
5 <16
NO.5
26
16 <50
NO.5
20

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Symbol of grade
Test temperature °C
Charp Absorption Energy J (min)
Test piece
0
27
No.4 in rolling direction
0
47
0
27
0
47
0
27
0
27
0
47
-5
47

 

 
 

Source:

Tags: SM490, SM490 steel plate

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