低温管道用无缝钢管：
产品规格：8-1240×1-200mm<1/8”—48”×SCH5S—SCH160、STD、XS、XXS>
执行标准：ASTM A333
产品材质：ASTM A333Grade1、Grade3、Grade4、Grade6、Grade7、Grade8、Grade9、Grade10、Grade11
产品应用：适用于-45℃～-195℃级低温压力容器管道以及低温热交换器管道用无缝钢管
冲击温度：
级别
|
****冲击试验温度
|
|
℉
|
℃
|
|
A333 Grade1
|
-50
|
-45
|
|
A333 Grade3
|
-150
|
-100
|
|
A333 Grade4
|
-150
|
-100
|
|
A333 Grade6
|
-50
|
-45
|
|
A333 Grade7
|
-100
|
-75
|
|
A333 Grade8
|
-320
|
-195
|
|
A333 Grade9
|
-100
|
-75
|
|
A333 Grade10
|
-75
|
-60
|
|
A333 Grade11
|
--
|
--
|
力学性能：
标准
|
牌号
|
抗拉强度
（Mpa）
|
屈服强度
(Mpa)
|
伸长率(%)
|
|
纵向
|
横向
|
|
ASTM A333
|
Grade1
|
≥380
|
≥205
|
≥35
|
≥25
|
|
Grade3
|
≥450
|
≥240
|
≥30
|
≥20
|
|
Grade4
|
≥415
|
≥240
|
≥30
|
≥16.5
|
|
Grade6
|
≥415
|
≥240
|
≥30
|
≥16.5
|
|
Grade7
|
≥450
|
≥240
|
≥30
|
≥22
|
|
Grade8
|
≥690
|
≥515
|
≥22
|
--
|
|
Grade9
|
≥435
|
≥315
|
≥28
|
--
|
|
Grade10
|
≥550
|
≥450
|
≥22
|
--
|
|
Grade11
|
≥450
|
≥240
|
≥18
|
--
|
化学成分：
标准
|
牌号
|
化学成分（%）
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
Mo
|
V
|
Al
|
|
ASTM A333
|
Grade1
|
≤0.30
|
--
|
0.40-1.06
|
≤0.025
|
≤0.025
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Grade3
|
≤0.19
|
0.18-0.37
|
0.31-0.64
|
≤0.025
|
≤0.025
|
--
|
3.18-3.82
|
--
|
--
|
--
|
--
|
|
Grade4
|
≤0.12
|
0.18-0.37
|
0.50-1.05
|
≤0.025
|
≤0.025
|
0.44-1.01
|
0.47-0.98
|
0.40-0.75
|
--
|
--
|
0.04-0.30
|
|
Grade6
|
≤0.30
|
≥0.10
|
0.29-1.06
|
≤0.025
|
≤0.025
|
--
|
--
|
--
|
--
|
--
|
--
|
|
Grade7
|
≤0.19
|
0.13-0.32
|
≤0.90
|
≤0.025
|
≤0.025
|
--
|
2.03-2.57
|
--
|
--
|
--
|
--
|
|
Grade8
|
≤0.13
|
0.13-0.32
|
≤0.90
|
≤0.025
|
≤0.025
|
--
|
8.40-9.60
|
--
|
--
|
--
|
--
|
|
Grade9
|
≤0.20
|
--
|
0.40-1.06
|
≤0.025
|
≤0.025
|
--
|
1.60-2.24
|
0.75-1.25
|
--
|
--
|
--
|
|
Grade10
|
≤0.20
|
0.10-0.35
|
1.15-1.50
|
≤0.030
|
≤0.015
|
≤0.15
|
≤0.25
|
≤0.015
|
≤0.50
|
≤0.12
|
≤0.06
|
|
Grade11
|
≤0.10
|
≤0.035
|
≤0.60
|
≤0.025
|
≤0.025
|
≤0.50
|
35.0-37.0
|
--
|
≤0.50
|
--
|
--
|
| 
