Welcome to Jiangsu ChengDe Steel Tube Share Co.,Ltd.!  
中文 English
 
Product Categories
Seamless steel tubes for ships
Seamless steel tube for transmission of
Seamless steeI tubes for structures
Seamless steel tubes for petroleum
Seamless steel tubes for high-pressure
Pipe-Line Seamless Steel Pipe
Seamless steel tubes for oil casing and tubing
Seamless steel tubes in small calibers for high(low and medium) pressure boilers and petrochemical i
 
 
Home - Products -输送流体用无缝钢管

输送流体用无缝钢管

输送流体用无缝钢管

标准:
GB/T8163——中国国家标准
用途:
用于输送流体用的一般无缝钢管
主要生产钢管牌号:
10、20、Q345 等

 

尺寸
公差:

 

钢管种类

外径(D)

钢管壁厚(S)

冷拔管

钢管外径(mm)

允许偏差(mm)

钢管壁厚(mm)

允许偏差(mm)

>30~50

±0.3

≤30

±10%

>50~219

±0.8%

热轧管

>219

±1.0%

>20

±10%

 

力学性能:

标准

牌号

抗拉强度(MPa)

屈服强度(MPa)

伸长率(%)

GB/T8163

10

335~475

≥205

≥24

20

410~550

≥245

≥20

Q345

490~665

≥325

≥21

化学成分:

标准

牌号

化学成分(%)

C

Si

Mn

P

S

Cr

Ni

Cu

GB/T8163

10

0.07~0.14

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.15

≤0.25

≤0.25

20

0.17~0.24

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.25

≤0.25

≤0.25

Q345

0.12~0.20

0.20~0.55

1.20~1.60

≤0.045

≤0.045

/

/

/

关键词:

 

 
http://www.cdgroup.cn/
pskvic@cdgroup.cn
NO.1,Sanjiang Avenue,Yanjiang Economic Development Zone,Jiangdu District,Yangzhou City,Jiangsu Province,China
86+514+86529012
Copy right: Jiangsu ChengDe Steel Tube Share Co.,Ltd.