Carbon
steel pipe plays an important role in the industrial field and are widely
used in multiple scenarios such as fluid transportation, structural support and
mechanical processing. In order to better choose the right carbon steel pipe,
the following are common carbon steel pipe models classified according to
different standards and their application introductions.
China standard carbon steel pipe models
China standard carbon steel pipes are pipes
designed and manufactured in accordance with national standards. The following
are commonly used China standard carbon steel pipe models and related
information:
1. 20# steel pipe
20# steel pipe has good comprehensive
performance and processability. It has a wide range of uses and is mainly used
in fluid transportation, structural pipes, mechanical processing and other
fields.
2. 45# steel pipe
45# steel pipe has high strength and is
suitable for bearing large mechanical stress. It is suitable for manufacturing
mechanical parts such as shafts, connecting rods, etc.
3. Q235 steel pipe
Q235 steel pipe has low cost and good
processing performance. It is suitable for low-pressure fluid transportation in
general structures and mechanical engineering.
4. Q345 steel pipe
Q345 steel pipe has high strength and good
low-temperature impact toughness, and is suitable for high-pressure fluid
transportation in general structures and mechanical engineering.
5. 16Mn steel pipe
16Mn steel pipe has good low-temperature
performance and corrosion resistance, and is suitable for low-temperature
pressure vessels and low-temperature pipelines.
6. 10#-45# galvanized
steel pipe
The surface galvanizing treatment of
10#-45# galvanized steel pipe enhances corrosion resistance and is usually used
in construction engineering, petroleum, chemical industry, coal, machinery,
light industry, food, aviation and other fields.
American standard
carbon steel pipe model
American standard carbon steel pipe is a
pipe designed and manufactured according to American standards. The following
are commonly used American standard carbon steel pipe models and related
information:
1. ASTM A106 (Grade A/B/C)
ASTM A106 has high strength and good
high-temperature resistance, and is used for general-purpose pipes in
high-temperature and high-pressure occasions.
2. ASTM A53 (Grade A/B)
ASTM A53 has low cost, convenient
processing, good ductility and strength. It is a general-purpose seamless,
electric welded
steel pipe suitable for low-pressure fluid transportation.
3. ASTM A333 (Grade 1/6)
ASTM A333 has good low-temperature
toughness, and low-temperature steel pipes are suitable for low-temperature
pressure vessels and low-temperature pipelines.
4. API 5L (Grade B/X42/X52/X60/X65/X70,
etc.)
API 5L has high strength and is suitable
for long-distance pipelines and pipelines used in the oil and gas industry.
Japanese standard
carbon steel pipe model
Japanese standard carbon steel pipe is a
pipe designed and manufactured according to Japanese standards. The following
are commonly used Japanese standard carbon steel pipe models and related
information:
1. JIS G3452
JIS G3452 has good processing performance
and low cost. It is a hot-rolled seamless
steel pipe suitable for low-pressure water, steam and oil transportation.
2. JIS G3454
JIS G3454 has the characteristics of high
strength and high temperature resistance. It is a hot-rolled electric welded
steel pipe suitable for high temperature and high pressure transportation.
3. JIS G3455
JIS G3455 has good high temperature
performance and is a high temperature and high pressure pipe steel pipe
suitable for transportation in high temperature and high pressure occasions.
4. JIS G3456
JIS G3456 has the characteristics of high
strength and corrosion resistance. It is a high temperature steel pipe suitable
for manufacturing high temperature and high pressure containers, gas and oil
pipelines, etc.
Recommendations when selecting carbon
steel pipes
Carbon steel pipe models of different
standards have their own characteristics in performance and application
scenarios. When selecting carbon steel pipes, the following factors should be
considered according to actual needs:
1. Selection according to application
scenarios
For low-pressure fluid transportation, ASTM
A53 Grade A or Q235 can be selected. ASTM A106 or 16Mn is recommended for high
pressure or high temperature environments. For low temperature applications,
select ASTM A333 or 16Mn dedicated to low temperature.
2. Consider processing and installation
requirements
For applications that require extensive
welding and forming, choose A53 Grade A with good ductility. For high strength
requirements, choose Grade B or higher strength materials.
3. Cost and performance balance
For budget-sensitive projects, economical
welded steel pipes (such as A53 F type) can be selected. For critical
applications, seamless steel pipes (such as A106 or API 5L) are more reliable.
4. Environmental adaptability
In corrosive environments, it is
recommended to use galvanized or coated carbon steel pipes.
Summary
For different use occasions and needs,
different carbon steel pipe models have their unique uses and advantages.
Therefore, when choosing carbon steel pipes, you should choose according to
actual conditions and requirements.
Read more: Roughness of carbon steel pipe