Steel bars for concrete reinforcement
|
Tiêu chuẩn Standard | Mác thép Grade | Thành phần hóa học Chemical Composition |
C | Si | Mn | P (max) | S (max) |
TCVN 1651 - 85 (1765 - 85 )
| CT33 | 0.06 - 0.12 | 0.12 - 0.30 | 0.25 - 0.50 | 0.04 | 0.045 |
CT34
|
0.09 - 0.15
|
0.12 - 0.30
|
0.25 - 0.50
|
0.04
|
0.045
|
CT38
|
0.14 - 0.22
|
0.12 - 0.30
|
0.40 - 0.65
|
0.04
|
0.045
|
CT42
|
0.18 - 0.27
|
0.12 - 0.30
| 0.40 - 0.70 |
0.04
|
0.045
|
CT51
|
0.28 - 0.37
|
0.15 - 0.35
|
0.50 - 0.80
|
0.04
|
0.045
|
TCVN 3104 - 79
|
25Mn2Si
|
0.20 - 0.29
|
0.60 - 0.90
|
1.20 - 1.60
|
0.04
|
0.045
|
35MnSi
|
0.30 - 0.37
|
0.60 - 0.80
|
0.80 - 1.20
|
0.04
|
0.045
|
JIS G3505 2004
|
SWRW10
|
0.13 max
|
0.30 max
|
0.06 max
|
0.04
|
0.04
|
SWRW12
|
0.15 max
|
0.30 max
|
0.065 max
|
0.04
|
0.04
|
JIS G3112
|
SD 295A
|
|
|
|
0.05
|
0.05
|
SD 345
|
0.27 max
|
0.55 max
|
1.60 max
|
0.04
|
0.04
|
SD 390
|
0.29 max
|
0.55 max
|
1.80 max
|
0.04
|
0.04
|
SD 490
|
0.32max
|
0.55max
|
1.80max
|
0.040
|
0.040
|
ASTM A615 /A615M - 94
|
Gr 40
|
0.21 max
|
0.40 max
|
1.35 max
|
0.04
|
0.05
|
Gr 60
|
0.30 max
|
0.50 max
|
1.50 max
|
0.04
|
0.05
|
BS 4449
|
Gr 250
|
0.25 max
|
0.50 max
|
1.50 max
|
0.06
|
0.06
|
Gr 460
|
0.25 max
|
0.50 max
|
1.50 max
|
0.05
|
0.05
|
ΓOCT 5780 - 82
|
25Γ2C
|
0.20 - 0.29
|
0.60 -0.90
|
1.20 - 1.60
|
0.04
|
0.045
|
35ΓC
|
0.30 - 0.37
|
0.60 - 0.80
|
0.80 - 1.20
|
0.04
|
0.045
|
ΓOCT 380 - 71
|
CT2
|
0.09 - 0.15
|
0.12 - 0.30
|
0.25 - 0.05
|
0.045
|
0.045
|
CT3
|
0.14 - 0.22
|
0.12 - 0.30
|
0.40 - 0.60
|
0.045
|
0.045
|
CT4
|
0.18 - 0.27
|
0.12 - 0.30
|
0.40 - 0.70
|
0.045
|
0.045
|
CT5
|
0.29 - 0.37
|
0.15 - 0.35
|
0.50 - 0.80
|
0.045
|
0.045
|
|
Rolled steel for general structure
|
TCVN 1765 - 85 (1765 - 85 )
|
CT33
|
0.06 - 0.12
|
0.12 - 0.30
|
0.25 - 0.50
|
0.04
|
0.045
|
CT34
|
0.09 - 0.15
|
0.12 - 0.30
|
0.25 - 0.50
|
0.04
|
0.045
|
CT38
|
0.14 - 0.22
|
0.12 - 0.30
|
0.40 - 0.65
|
0.04
|
0.045
|
CT42
|
0.18 - 0.27
|
0.12 - 0.30
| 0.40 - 0.70 |
0.04
|
0.045
|
CT51
|
0.28 - 0.37
|
0.15 - 0.35
|
0.50 - 0.80
|
0.04
|
0.045
|
JIS 3101 1995
|
SS 330
|
|
|
|
0.05
|
0.05
|
SS 400
|
0.20 max
|
0.55 max
|
1.60 max
|
0.05
|
0.05
|
SS 490
|
|
|
|
0.05
|
0.05
|
SS 540
|
0.30 max
|
|
1.60 max
|
0.04
|
0.04
|
JIS G3106 1995
|
SM400 A
|
0.23 max
|
-
|
2.5xC min
|
0.035
|
0.035
|
SM400 B
|
0.20 max
|
0.35
|
0.60-1.40
|
0.035
|
0.035
|
SM490 A
|
0.20 max
|
0.55
|
1.6 max
|
0.035
|
0.035
|
SM490 B
|
0.18 max
|
0.55
|
1.6 max
|
0.035
|
0.035
|
SM490 YA
|
0.20 max
|
0.55
|
1.6 max
|
0.035
|
0.035
|
SM490 YB
|
0.20 max
|
0.55
|
1.6 max
|
0.035
|
0.035
|
ΓOCT 380 - 71
|
CT2
|
0.09 - 0.15
|
0.12 - 0.30
|
0.25 - 0.50
|
0.045
|
0.045
|
CT3
|
0.14 - 0.22
|
0.12 - 0.30
|
0.40 - 0.60
|
0.045
|
0.045
|
CT4
|
0.18 - 0.27
|
0.12 - 0.30
|
0.40 - 0.70
|
0.045
|
0.045
|
CT5
|
0.29 - 0.37
|
0.15 - 0.35
|
0.50 - 0.80
|
0.045
|
0.045
|
ASTM 1997
|
A36
|
0.26 max
|
0.40 max
|
1.60 max
|
0.04
|
0.05
|
A572 Gr42
|
0.21 max
|
0.40 max
|
1.35 max
|
0.04
|
0.05
|
A572 Gr50
|
0.23 max
|
0.40 max
|
1.35 max
|
0.04
|
0.05
|
BS 4360 1986
|
40B
|
0.20max
|
0.50max
|
1.50max
|
0.050
|
0.050
|
40C
|
0.18max
|
0.50max
|
1.50max
|
0.050
|
0.050
|
43A
|
0.25max
|
0.50max
|
1.6max
|
0.050
|
0.050
|
43B
|
0.21max
|
0.50max
|
1.5max
|
0.050
|
0.050
|
43C
|
0.18max
|
0.50max
|
1.5max
|
0.050
|
0.050
|
50A
|
0.23max
|
0.50max
|
1.6max
|
0.050
|
0.050
|
50B
|
0.20max
|
0.50max
|
1.50max
|
0.050
|
0.050
|
50C
|
0.20max
|
0.50max
|
1.50max
|
0.050
|
0.050
|
DIN 17100
|
RST37-2
|
0.17max
|
-
|
-
|
0.050
|
0.050
|
ST44-2
|
0.21max
|
-
|
-
|
0.050
|
0.050
|
GB700 - 88
| Q235A |
0.14 - 0.22
|
0.30 max
|
0.30 -0.65
|
0.045
|
0.05
|
Q235B |
0.12 - 0.20
|
0.30 max
|
0.30 -0.70
|
0.045
|
0.045
|
Q235C |
0.18 max
|
0.30 max
|
0.35 -0.80
|
0.04
|
0.04
|
Q235D |
0.17 max
|
0.30 max
|
0.35 -0.80
|
0.035
|
0.035
|
GB/T1591 - 94
| Q345 |
0.20 max
|
0.55 max
|
1.00 -1.60
|
0.045
|
0.045
|
|
SHEET PILES
|
Tiêu chuẩn Standard
| Mác thép Grade |
Thành phần hóa học Chemical Composition
|
C
|
Si
|
Mn
|
P (max)
|
S (max)
|
JIS A5528 1998
|
SY 295
|
0.22 max
|
0.50 max
|
1.60 max
|
0.04
|
0.04
|
SY 390
|
0.22 max
|
0.50 max
|
1.60 max
|
0.04
|
0.04
|
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