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Structural Steel Plate

Structural Steel Plate
  • ProductsStructural Steel Plate

Detailed

1. Product Introduction
Structural steel plate is mainly used in machinery manufacturing, steel structure construction, wind tower tube manufacturing, and bridge auxiliary material. With the continuing escalation of industry products, application field of structural steel plate is getting wider and wider. NISCO has a long history for plate production, its reputation for the structural steel plate production and performance has been well-established for a long time, and it has made immortal contributions to our country and even the world economic construction.
 
2. Grade and Size
a. Size, Grade and Delivery State

 

 

Steel Category
Standard
Grade
Size (mm)
Delivery State
Carbon Structural Steel
GB/T3274, GB/T700, GB/T1591, EN 10025, ASTM, JIS G3106
Q235A~D, Q275A~D, S235J2, S235JO, S235JR, S275JR, A36, SS400,  A283, A285
6-100*1600-3200
AR, CR, TMCP, N
Low Alloy Structural Steel
Q345A~E, Q390D, Q420B, Q460C~E, S355JR, S355K2, S355NL, S355M, S355ML, S420M, S460M, SM490 A709Gr50
6-80*1600-3200
AR, CR, TMCP, N, QT
High-building Structural Steel
GB/T19879
Q345GJB/C/D(Z35), Q390GJB/C/D(Z35)
6-80*1600-3200
AR, CR, TMCP, N
High-quality Carbon Structural Steel
GB/T711, GB/T3077, JIS G4051
35#, 45#, 50#, 40Cr, S45C
6-200*1600-2500
AR

 

b.Grade Comparison Table

 

 

Steel Category
GB
Japanese Standard
American Standard
European Standard
Carbon Structural Steel
Q235A/B/C/D
 
A283, A285
S235J2, S235JO, S235JR
Q275A/B/C/D
SS400
A36
S275J2, S275JO , S275JR
Low Alloy Structural Steel
Q345A/B/C/D/E
SM490
A709-345T2, A709Gr50
S355JR, S355K2, S355NL, S355ML
Q460C/D/E
SM570
 
S460ML, S460QL
High-quality Carbon Structural Steel
35#, 45#, 50#, 40Cr
S45C, S50C
 
 

 

c. Chemical Composition wt%
(1) Carbon Structural Steel

 

 

Grade
Quality Level
Thickness/mm
Chemical Composition,% No more than
C
Mn
Si
P
S
Q235
A
-
0.22
1.40
0.35
0.045
0.050
B
0.20
0.045
0.045
C
0.17
0.040
0.040
D
0.035
0.035
Q275
A
-
0.24
1.50
0.35
0.045
0.050
B
≤40
0.21
0.045
0.045
>40
0.22
C
-
0.20
0.040
0.040
D
0.20
0.035
0.035

 

(2) Low Alloy Structural Steel

 

 

Grade
Quality Level
C
Mn
Si
P
S
V
Nb
Ti
No more than
Q345
A
≤0.20
≤1.70
≤0.50
0.035
0.035
0.15
0.07
0.20
B
0.035
0.035
C
0.030
0.030
D
≤0.18
0.030
0.030
E
0.025
0.025
Q390
A
≤0.20
≤1.70
≤0.50
0.035
0.035
0.20
0.07
0.20
B
0.035
0.035
C
0.030
0.030
D
0.030
0.025
E
0.025
0.020
Q420
A
≤0.20
≤1.70
≤0.50
0.035
0.035
0.20
0.07
0.20
B
0.035
0.035
C
0.030
0.030
D
0.030
0.025
E
0.025
0.020
Q460
C
≤0.20
≤1.80
≤0.60
0.030
0.030
0.20
0.11
0.20
D
0.030
0.025
E
0.025
0.020

 

(3) High-building Structural Steel

 

 

Grade
Quality Level
C
Mn
Si
P
S
V
Nb
Ti
No more than
Q345GJ
B
≤0.20
≤1.60
≤0.55
0.025
0.015
0.15
0.06
0.30
C
D
≤0.18
0.020
0.015
E
Q390GJ
C
≤0.20
≤1.60
≤0.55
0.025
0.015
0.15
0.06
0.30
D
E
≤0.18
0.020
0.015

 

(4) High-quality Carbon Structural Steel

 

 

Grade
C
Mn
Si
P
S
Cr
Ni
Cu
No more than
35
0.32-0.39
0.50-0.80
0.17-0.37
0.035
0.035
0.20
0.30
0.25
45
0.42-0.50
0.50-0.80
0.17-0.37
0.035
0.035
0.20
0.30
0.25
50
0.47-0.55
0.50-0.80
0.17-0.37
0.035
0.035
0.20
0.30
0.25
40Cr
0.37-0.44
0.50-0.80
0.17-0.37
0.035
0.035
0.80-1.10
0.30
0.25

 

d. Performance Indicators
(1) Carbon Structural Steel

 

 

Grade
Quality Level
Lower Yield Strength ReL,MPa
Tensile Strength Rm,
MPa
Elongation Ratio A,
%
Impact Energy, KV2(longitudinal)/J
Thickness mm
≤16
>16~40
>40~60
>60~100
>100~150
≤40
>40~60
>60~100
Temperature
Min
No less than
No less than
Q235
A
235
225
215
195
185
370~500
26
25
24
-
-
B
20
27
C
0
D
-20
Q275
A
375
265
255
245
225
410~540
22
21
20
-
-
B
20
27
C
0
D
-20

 

(2) Low Alloy Structural Steel

 

 

Grade
Quality Level
Lower Yield Strength ReL,MPa
Tensile Strength Rm,MPa
Elongation Ratio A,
%
Impact Energy, KV2(longitudinal)/J
Thickness mm
≤16
>16~40
>40~63
>63~80
>80~100
≤40
>40~63
>63~100
Temperature
Min
No less than
No less than
Q345
A
345
335
325
315
305
470~630
20
19
19
-
-
B
20
34
C
21
20
20
0
D
-20
E
-40
Q390
A
390
370
350
330
310
490~650
20
19
19
-
-
B
20
34
C
0
D
-20
E
-40
Q420
A
420
400
380
360
340
520~680
19
18
18
-
-
B
20
34
C
0
D
-20
E
-40
Q460
C
460
440
420
400
380
550~720
17
16
16
0
34
D
-20
E
-40

 

(3) High-building Structural Steel

 

 

Grade
Quality Level
Lower Yield Strength ReL,MPa
Tensile Strength Rm,
MPa
Elongation Ratio A,
%
Impact Energy, KV2(longitudinal)/J
Yield Ratio,
No more than
Thickness: mm
≤16
>16~35
>35~50
>50~100
No less than
Temperature
Min
No less than
Q345GJ
B
345
345-465
335-455
325-445
490~610
22
20
34
0.83
C
0
D
-20
E
-40
Q390GJ
C
390
390-510
380-500
370-490
490~650
20
0
34
0.85
D
-20
D
-40
E

 

3. References

 

 

Project Name
Grade
Quantity (ton)
Thickness(mm)
XCMG
Q420C, Q460C
5000
10~40
Nanjing New Jinling Hotel
Q345B, Q345BZ15
6000
10~60
Yiwu World Trade Center
Q345B, Q345GJC(Z15, Z25)
3000
10~60
Wuxi Guojin Manson
Q345B, Q345GJC(Z15, Z25)
15000
8~60
Jiangsu Rodong Longyuan Wind Power Plant
Q345C, Q345D, Q390D, Q345EZ25
50000
12~85
France Alstom Power Plant
A572GR50
3000
10~70
Nanjing Lukou Airport Terminal
Q345B, Q345GJC(Z15, Z25)
3000
10~70
Structural Steel of Zhoushan Bridge
Q345C, Q345D
80000
10~40
Korea In-Cheon Bridge
SM490YA, SM520B
7000
10~40
Shanghai Chongming Island Bridge
Q345C
2000
10~40
American Bay Bridge
A709-345T2, A709-345F2
5000
10~30
Shanghai Zhenhua Port Machinery Structural Steel
A709-50T, A709-50F-2
200000
10~30
Nanjing Youth Olympic Project
Q345D, Q345DZ25
9000
8~60
Wuhan Sixth Jianghan Bridge Structural Steel
Q345C
2000
8~60
Bohai Bank
Q345GJC, Q345GJB
9000
10~40
CCTV
Q345GJD, Q345D
8000
10~40
Olympic Bird’s Nest
Q460C, Q345D
6000
10~40
Shanghai Economic and Trade Mansion
Q345GJC, Q345GJB
8500
10~40
Hainan Airport Terminal
Q345GJC, Q345GJB
6000
10~40


4. After-sales Service

Continuous improvement of Process and quality is our constant pursuit. Supplying customers with better products is our eternal goal. Providing customers with efficient and convenient technical support and after-sales service is our unchanging promise. When user put forward quality objection in written form, our company will reply within 24 hours, and arrive on site within 72 hours.
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