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Home - Products -结构用无缝钢管

结构用无缝钢管

结构用无缝钢管

标准:

GB/T8162——中国国家标准
ASTM A53——美国材料与试验学会标准
ASME SA53 ——美国锅炉及压力容器规范

用途:
用于制造管道、容器、设备、管件及机械结构用无缝钢管

主要生产钢管牌号:
10、20、35、45、Q345、15CrMo、12Cr1MoV、A53A、A53B、SA53A、SA53B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/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

ASME SA53

A

≥330

≥205

查看ASTM A53的表

查看ASME SA53的表

B

≥415

≥240

化学成分:

标准

牌号

化学成分(%)

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

/

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

ASMESA53

A

≤0.25

/

≤0.95

≤0.05

≤0.06

≤0.40

≤0.40

≤0.15

≤0.40

≤0.08

B

≤0.30

/

≤1.20

≤0.05

≤0.06

≤0.40

≤0.40

≤0.15

≤0.40

≤0.08

关键词:

 

 
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86+514+86529012
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