Seamless Pipe for Structure
Structural seamless pipe is typically made from carbon steel, alloy steel, or stainless steel, depending on the specific requirements of the project. Common materials include ASTM A106 (carbon steel), ASTM A53 (carbon steel), or other relevant standards. Structural pipes must have high tensile and yield strengths to support the structural loads imposed on them. Choosing the right steel grade is critical to meeting strength requirements.
As opposed to welded pipe, seamless pipe is generally better suited for structural applications. Seamless construction eliminates potential weaknesses associated with welds and ensures uniform strength throughout the pipe.
Seamless Structural Steel Pipe ends can be plain, beveled, or threaded, depending on the design and construction requirements of the project.
Testing and Inspection: Structural pipes undergo various tests such as tensile testing, impact testing and non-destructive testing to ensure that they meet the prescribed mechanical and quality requirements.
Seamless steel tubes for normal structure must comply with relevant standards such as ASTM A500 (for carbon steel structural tubes), ASTM A312 (for stainless steel structural tubes), or other applicable standards.
Structural Steel Pipe is widely used in structural engineering projects, including the construction of buildings, bridges, towers and other structures where load-bearing capacity is a primary consideration.
Standard
GB/T 8162 China National standard : Seamless steel tubes for structure
DIN 1629 Deutsche Industrie Normen : Seamless Circular Tubes of Non-Alloys Steels with Special Quality Requirements.
| Usage | OD(mm) | WT(mm) | Steel Grade | Standard/ Specification | Aplication Fields |
| Structural Pipe | 42-760 | 4-120 | 20#,35#,45#,Q345A/B/C/D,Q390, Q420,25Mn,27SiMn etc. | GB/T 8162 | General structural and mechanical pipe |
| Military Pipe | 42-760 | 4-120 | 30Cr,40Cr,35CrNi1MoA etc. | National military standard, agreement | Pipe for military use |
| Geology Drilling Pipe &Tube | 42-133 | DZ40,DZ55,STM-R780,DZ60 etc. | Q/OHAD006, GB/T 9808, agreement | Drilling pipe | |
| Fluid Transmission Pipe & Tube | 42-760 | 4-120 | 20#,Q345,Q390 etc. | GB/T 8163, technical agreement | Pipe & tube used for fluid transmission |
ASTM standards for Structural tubing
| Abbr. | Corresponding | Application |
| A500 | ASTM A500 / A500M | Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
| A501 | ASTM A501 / A501M | Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing |
Seamless Pipe For Structure
Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe
Size:OD: 1/8'' ~ 26'' (10.3 ~ 660mm),WT: SCH 10 ~ 160, SCH STD, SCH XS, SCH XXS
Fixed Length (5.8/6/11.8/12mtr), SRL, DRL
Standard & Grade:ASTM A53/A252/A500/A501, JIS G3444, EN 10210/10219
Square Ends/Plain Ends (straight cut, saw cut, torch cut),Beveled/Threaded Ends
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