Structure steel plate for bridge 桥梁用结构钢
规格、牌号及交货状态Grade size and delivery condition:
|
执行标准Standard |
牌号Grade |
规格Size(mm) |
交货状态Condition |
国标GB |
GB/T714、技术协议 |
Q345qC、Q345qD、345qE、 Q370qC、Q370qD、Q370qE、Q420qC、Q420qD、Q420qE、Q460qC、Q460qD、Q460qE |
6-80 *1600-3200 |
AR、CR、TMCP、N |
欧标EN |
EN 10025 |
S235J2、S235JO、S235JR、S275JR、S355J2、S355JO、S355JR、S355K2、S355NL、S355M、S355ML、S420M、S460M |
6-80*1600-3200 |
AR、CR、TMCP、N |
美标 |
ASTM |
A709-50T、A709-50F、A709Gr50 |
6-100 *1600-3200 |
AR、CR、N |
化学成分Chemical compositon Wt%
牌号Grade |
等级Class |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
B |
N |
Als |
Q235q |
C |
≤0.17 |
≤0.35 |
≤1.40 |
≤0.030 |
≤0.030 |
≤0.30 |
≤0.30 |
≤0.30 |
/ |
≤0.012 |
≥0.015 |
D |
≤0.025 |
≤0.025 |
≤0.80 |
≤0.50 |
≤0.55 |
E |
≤0.020 |
≤0.010 |
≤0.50 |
Q345q |
C |
≤0.20 |
≤0.55 |
0.90-1.70 |
≤0.030 |
≤0.025 |
≤0.50 |
D |
≤0.18 |
≤0.025 |
≤0.020 |
≤0.50 |
E |
≤0.18 |
≤0.020 |
≤0.010 |
|
Q370q |
C |
≤0.18 |
1.00-1.70 |
≤0.030 |
≤0.025 |
≤0.50 |
≤0.004 |
D |
≤0.025 |
≤0.020 |
≤0.50 |
E |
≤0.020 |
≤0.010 |
≤0.70 |
Q420q |
C |
≤0.18 |
1.00-1.70 |
≤0.030 |
≤0.020 |
≤0.70 |
D |
≤0.025 |
≤0.020 |
≤0.70 |
E |
≤0.020 |
≤0.010 |
≤0.70 |
Q460q |
C |
≤0.18 |
1.00-1.80 |
≤0.030 |
≤0.020 |
≤0.70 |
D |
≤0.025 |
≤0.015 |
≤0.70 |
E |
≤0.020 |
≤0.010 |
≤0.70 |
欧标EN:
牌号Grade |
以下公称厚度(mm)的最大C含量C content of below thickness |
Si≤ |
Mn≤ |
P≤ |
S≤ |
N≤ |
Cu≤ |
≤16 |
> 16~40 |
> 40 |
S235JR |
0.17 |
0.17 |
0.2 |
— |
1.4 |
0.035 |
0.035 |
0.012 |
0.55 |
S235J0 |
0.17 |
0.17 |
0.17 |
— |
1.4 |
0.03 |
0.03 |
0.012 |
0.55 |
S235J2 |
0.17 |
0.17 |
0.17 |
— |
1.4 |
0.025 |
0.025 |
- |
0.55 |
S275JR |
0.21 |
0.21 |
0.22 |
— |
1.5 |
0.035 |
0.035 |
0.012 |
0.55 |
S275J0 |
0.18 |
0.18 |
0.18i |
— |
1.5 |
0.03 |
0.03 |
0.012 |
0.55 |
S275J2 |
0.18 |
0.18 |
0.18i |
- |
1.5 |
0.025 |
0.025 |
- |
0.55 |
S355JR |
0.24 |
0.24 |
0.24 |
0.55 |
1.6 |
0.035 |
0.035 |
0.012 |
0.55 |
S355J0 |
0.2 |
0.2 |
0.22 |
0.55 |
1.6 |
0.03 |
0.03 |
0.012 |
0.55 |
S355J2 |
0.2 |
0.2 |
0.22 |
0.55 |
1.6 |
0.025 |
0.025 |
- |
0.55 |
S355K2 |
0.2 |
0.2 |
0.22 |
0.55 |
1.6 |
0.025 |
0.025 |
- |
0.55 |
S355NL |
0.18 |
0.5 |
0.90-1.65 |
0.025 |
0.02 |
- |
0.55 |
S355ML |
0.14 |
0.5 |
1.6 |
0.025 |
0.02 |
|
0.55 |
美标ASTM:
牌号 |
C |
Mn |
Si |
P |
S |
Nb |
A709-50T、A709-50F、A709Gr50 |
≤0.23 |
≤1.35 |
≤0.4 |
≤0.04 |
≤0.05 |
0.005~0.05 |
力学性能Mechanical properties:
牌号Grade |
等级Class |
拉伸试验 (横向)Tensile T |
V型冲击试验 (纵向)V impact L |
下屈服强度Yield |
抗拉强度Tensile Rm/MPa |
断后伸长率Elongation A/% |
试验温度Temperature /℃ |
冲击功KV2/J |
ReL/MPa |
Thickness厚度/mm |
≤50 |
>50-100 |
不小于≥ |
不小于≥ |
Q235q |
C |
235 |
225 |
400 |
26 |
0 |
34 |
D |
-20 |
E |
-40 |
Q345q |
C |
345 |
335 |
490 |
20 |
0 |
47 |
D |
-20 |
E |
-40 |
Q370q |
C |
370 |
360 |
510 |
20 |
0 |
47 |
D |
-20 |
E |
-40 |
Q420q |
C |
420 |
410 |
540 |
19 |
0 |
47 |
D |
-20 |
E |
-40 |
Q460q |
C |
460 |
450 |
570 |
17 |
0 |
47 |
D |
-20 |
E |
-40 |
欧标:EN
牌号Grade |
最小屈服强度 Yield T ReH(横向),MPa |
抗拉强度 |
伸长率Elongation A,% |
Impact KV2(L)/J |
厚度Thickness ,mm |
Rm,MPa |
≤16 |
>16~40 |
>40~63 |
>63~80 |
>80~100 |
Tensile |
≤40 |
>40~63 |
>63~100 |
Temperature ℃ |
最小值≥ |
不小于≥ |
|
不小于≥ |
S235JR |
235 |
225 |
215 |
215 |
215 |
360-510 |
24 |
23 |
22 |
20 |
27 |
S235J0 |
0 |
S235J2 |
-20 |
S275JR |
275 |
265 |
255 |
245 |
235 |
410-560 |
21 |
20 |
19 |
20 |
27 |
S275J0 |
0 |
S275J2 |
-20 |
S355JR |
355 |
345 |
335 |
325 |
315 |
470-630 |
20 |
19 |
18 |
20 |
27 |
S355J0 |
0 |
S355J2 |
-20 |
S355K2 |
-20 |
40 |
S355NL |
355 |
345 |
335 |
325 |
315 |
470-630 |
22 |
22 |
21 |
-50 |
27 |
S355ML |
355 |
345 |
335 |
325 |
325 |
470-630 |
22 |
22 |
22 |
-50 |
27 |
美标ASTM:
牌号grade |
厚度Thickness ,mm |
屈服强度Yield |
抗拉强度Tensile |
Elongation % |
V型冲击功 impact |
1800弯曲试验bending test |
(MPa) |
(MPa) |
50mm gauge length |
(J) |
A709-50T-2(Z) |
≤100 |
≥345 |
≥450 |
50mm gauge length |
4℃ |
transverse |
|
A709-50T-3(Z) |
≥21 |
-12℃ |
≥34 |
δ≤25mm:r=1δ |
A709-50F-2(Z) |
345-500 |
|
4℃ |
|
25<δ≤50mm:r=1.5δ |
A709-50-2 (Z) |
|
|
|
A709-50F-3(Z) |
|
-12℃ |
|
|
A709-50-3 (Z) |
|
|
|
A709 Gr50F(Z) |
≤80 |
≥345 |
≥450 |
50mm gauge length |
-20℃ |
≥34 |
|
A709 Gr50 (Z) |
≥21 |
longitudinal |
|
A709-Gr50 (Z) |
|
|
≥54 |
|
A709Gr50FN (Z) |
≤80 |
345-450 |
≥450 |
proportion gauge length |
-20℃ |
≥48 |
|
A709Gr50N (Z) |
≥21 |
longitudinal |
|
A709-50F-2N(Z) |
|
|
|