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Structural seamless pipe is a seamless pipe used in general structure and mechanical structure. It is a kind of seamless steel pipe divided into varieties due to its different uses.
Structural stainless steel seamless pipe is used throughout the chemical, petroleum, textile, medical, food, machinery and other industries, corrosion-resistant piping and structural components and parts of the stainless steel made of hot-rolled (extrusion, expansion) and cold-drawn (rolled) seamless pipe.
Standard: GB/T8162--Chinese National Standard ASTM A53--American Society for Testing and Materials Standard ASME SA53--American Boiler and Pressure Vessel Code ASTM A519--American Society for Testing and Materials Standard GB/T699--Chinese National Standard GB/T3077--Chinese National Standard
Uses: Used in the manufacture of pipelines, vessels, equipment, pipe fittings and mechanical structure with seamless steel pipe Main production steel pipe grades: 10,20,35,45,15Mn,20Mn,25Mn,30Mn,35Mn,40Mn,45Mn,Q235,Q275,Q345,Q390,Q420,20Mn2,30Mn2,35Mn2,40Mn2,45Mn2,50Mn2,27SiMn,20Cr,40Cr,38CrSi,15CrMo,20CrMo,30CrMo, 35CrMo,42CrMo,1016,1020,1026,1035,1045,4130,4140
Dimensional tolerances:
Pipe Types
Diameter(D)
Wall thickness(S)
Outer diameter of steel pipe(mm)
Permissible deviation(mm)
Wall thickness of steel pipe(mm)
Permissible deviation(mm)
Cold Drawn Pip
>30~50
±0.3
≤30
±10%
>50~219
±0.8%
Hot Rolled Pipe
>219
±1.0%
>20
±10%
Chemical composition:
Standard
Grade
Chemical Components(%)
C
Si
Mn
P
S
Cu
Ni
Mo
Cr
V
ASTMA53
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
ASTM A519
1016
0.13~0.18
/
0.60~0.90
≤0.04
≤0.05
/
/
/
/
/
1020
0.18~0.23
/
0.30~0.60
≤0.04
≤0.05
/
/
/
/
/
1026
0.22~0.18
/
0.60~0.90
≤0.04
≤0.05
/
/
/
/
/
1035
0.32~0.38
/
0.60~0.90
≤0.04
≤0.05
/
/
/
/
/
1045
0.43~0.50
/
0.60~0.90
≤0.04
≤0.05
/
/
/
/
/
4130
0.28~0.33
0.15~0.35
0.40~0.60
≤0.04
≤0.04
/
/
/
/
/
4140
0.38~0.43
0.15~0.35
0.75~1.0
≤0.03
≤0.03
/
/
/
/
/
Detailed Photos
PRODUCT ADVANTAGES
HIGH-INTENSITY
The material has uniform thickness, smooth surface and high strength, and maintains its strength at high pressure and high temperature. It also has high wear resistance and impact resistance.
CORROSION-RESISTANT
It is highly resistant to corrosion and has excellent pressure resistance. It will not deform or burst, ensuring the integrity of the pipeline. With a long service life, this product can reduce the frequency of replacement and lower long - term maintenance costs.
ADEQUATE INVENTORY
We offer a wide range of product specifications and sufficient inventory, enabling us to provide seamless support for your engineering procurement needs and ensure that you can obtain the right products at the right time every time.
AFTER-SALES SUPPORT
We track the entire steel transportation process, respond quickly 24 hours a day, and have dedicated personnel to handle the matter, making every cooperation with you worry-free.
Shandong Hongteng Fengda Metal Materials Co., Ltd.
Shandong Hongteng Fengda Metal Materials Co., Ltd. is a leading domestic enterprise specializing in the production and export of various steel plates and coils, profiles, and grids. It has a complete set of production technology and related equi...
Shandong Hongteng Fengda Metal Materials Co., Ltd.
Shandong Hongteng Fengda Metal Materials Co., Ltd. is a leading domestic enterprise specializing in the production and export of various steel plates and coils, profiles, and grids. It has a complete set of production technology and related equi...
Room 1066, Office Building 3, Contemporary International, Dongchang East Road, Liaocheng Economic and Technological Development Zone, Shandong Province, China
