結(jié)構(gòu)用無縫鋼管
標準:
GB/T8162——中國國家標準
ASTM A53——美國材料與試驗學(xué)會標準
ASME SA53 ——美國鍋爐及壓力容器規(guī)范
EN10210——熱軋結(jié)構(gòu)鋼
EN10297——熱軋結(jié)構(gòu)鋼
用途:
用于制造管道、容器、設(shè)備、管件及機械結(jié)構(gòu)用無縫鋼管
主要生產(chǎn)鋼管牌號:
10、20、35、45、Q345、15CrMo、12Cr1MoV、42CrMo、A53A、A53B、SA53A、SA53B、SA355J2H、E355等
組距:
鋼管種類
|
外徑(D)
(mm)
|
壁厚(S)
(mm)
|
熱軋管
|
219~1200
|
8~130
|
力學(xué)性能:
標準
|
牌號
|
抗拉強度(MPa)
|
屈服強度(MPa)
|
伸長率(%)
|
GB/T8162
|
10
|
≥335
|
≥205
|
≥24
|
20
|
≥390
|
≥245
|
≥20
|
35
|
≥510
|
≥305
|
≥17
|
45
|
≥590
|
≥335
|
≥14
|
Q345
|
≥490
|
≥325
|
≥21
|
15CrMo
|
≥440
|
≥295
|
≥22
|
12Cr1MoV
|
≥490
|
≥245
|
≥22
|
ASTM A53
|
A
|
≥330
|
≥205
|
查看ASTM A53的表
|
ASME SA53
|
B
|
≥415
|
≥240
|
查看ASME SA53的表
|
EN10210-1
|
SA355J2H
|
查看En 10210-1表A.3
|
查看En 10210-1表A.3
|
查看En 10210-1表A.3
|
EN10297-1
|
E355
|
查看EN10297 table 8
|
查看EN10297 table 8
|
查看EN10297 table 8
|
化學(xué)成分:
標準
|
牌號
|
化學(xué)成分(%)
|
C
|
Si
|
Mn
|
P
|
S
|
Cu
|
Ni
|
Mo
|
Cr
|
V
|
GB/T8162
|
10
|
0.07~0.14
|
0.17~0.37
|
0.35~0.65
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.15
|
/
|
20
|
0.17~0.24
|
0.17~0.37
|
0.35~0.65
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
/
|
35
|
0.32~0.40
|
0.17~0.37
|
0.50~0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
/
|
45
|
0.42~0.50
|
0.17~0.37
|
0.50~0.80
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
/
|
Q345
|
0.12~0.20
|
0.20~0.55
|
1.20~1.60
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
/
|
≤0.25
|
/
|
Q390
|
|
|
|
|
|
|
|
|
|
|
Q420
|
|
|
|
|
|
|
|
|
|
|
Q460
|
|
|
|
|
|
|
|
|
|
|
15CrMo
|
0.12~0.18
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
0.40~0.55
|
0.80~1.10
|
/
|
12Cr1MoV
|
0.08~0.15
|
0.17~0.37
|
0.40~0.70
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.30
|
0.25~0.35
|
0.90~1.20
|
0.15~0.30
|
ASTMA53
|
A
|
≤0.25
|
/
|
≤0.95
|
≤0.05
|
≤0.06
|
≤0.40
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.08
|
ASMESA53
|
B
|
≤0.30
|
/
|
≤1.20
|
≤0.05
|
≤0.06
|
≤0.40
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.08
|
EN10210-1
|
SA355J2H
|
≤0.22
|
≤0.55
|
≤1.60
|
≤0.030
|
≤0.030
|
/
|
/
|
/
|
/
|
/
|
EN10297-1
|
E355
|
≤0.22
|
≤0.50
|
0.90~1.65
|
≤0.030
|
≤0.030
|
≤0.35
|
≤0.50
|
≤0.10
|
≤0.30
|
≤0.12
|