 |
-
-
◆ STEEL PIPE
-
-
◆ STEEL COIL,STEEL PLATE,STEEL
-
-
◆ SECTION STEEL
-
-
◆ STEEL BAR AND REBAR
-
-
◆ WIRE ROD
|
 |
|
FLAT BULB BAR FOR SHIPBUILDI
|
Dimension (mm)
|
Cross-section
Area
(cm2)
|
Unit Weight
(kg/m)
|
|
A
|
t
|
d
|
r1
|
r2
|
|
|
|
180
|
9.5
|
23
|
7
|
2
|
21.06
|
16.5
|
|
200
|
10
|
26.5
|
8
|
2
|
25.23
|
19.8
|
|
230
|
11
|
30
|
9
|
2
|
31.98
|
25.1
|
|
250
|
12
|
33
|
10
|
2
|
38.13
|
29.9
|
Chemical Composition
|
Steel
Grade
|
C
(%)
≤
|
Mn
(%)
|
Si
(%)
|
P
(%)
≤
|
S
(%)
≤
|
Al
(%)
|
Nb
(%)
|
V
(%)
|
|
A
|
0.22
|
≥2.5C
|
0.10~0.35
|
0.04
|
0.04
|
—
|
—
|
—
|
|
B
|
0.21
|
0.60 ~1.00
|
0.10~0.35
|
0.04
|
0.04
|
—
|
—
|
—
|
|
D
|
0.21
|
0.60 ~1.00
|
0.10~0.35
|
0.04
|
0.04
|
≥0.015
|
—
|
—
|
|
E
|
0.18
|
0.70 ~1.20
|
0.10~0.35
|
0.04
|
0.04
|
≥0.015
|
—
|
—
|
|
A32
|
0.18
|
0.70~1.60
|
0.10~0.50
|
0.04
|
0.04
|
≥0.015
|
—
|
—
|
|
A36
|
0.18
|
0.70 ~1.60
|
0.10~0.50
|
0.04
|
0.04
|
≥0.015
|
0.015-0.050
|
0.030-0.10
|
|
