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High-Quality Seamless Steel Pipes for Construction Machinery
Introduction to Seamless Steel Pipes
Seamless steel pipes are widely used in construction machinery for their superior strength, durability, and resistance to wear. Made from high-quality steel, these pipes are designed to withstand extreme operating conditions, ensuring a long lifespan and optimal performance. They are manufactured through a process of extrusion or rotary piercing, eliminating any welded joints, which guarantees excellent pressure resistance and structural integrity.
Applications in Construction Machinery
Seamless steel pipes are essential components in various construction machinery, including cranes, bulldozers, excavators, and loaders. These pipes are primarily used in hydraulic systems, fuel delivery systems, and structural supports. Due to their high tensile strength and ability to endure high pressure, seamless steel pipes are ideal for handling the intense operational demands of heavy machinery.
Steel pipes No. of main production:
10、20、35、45、Q345、15CrMo、12Cr1MoV、A53A、A53B、SA53A、SA53B ect.
Pipe types | Outer-caliber（D） | Thickness（S） | ||
Pipe outer-caliber(mm) | Allowable warp(mm) | Pipe thickness(mm) | Allowable warp(mm) | |
Hot-rolled pipes | ＞219 | ±1.0％ | ＞20 | ±10％ |
Standards | Steel pipes No. | Tensile strength（MPa） | Bend strength（MPa） | Elongation（％） |
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 | Table View ASTM A53 Table View ASTM SA53 |
B | ≥415 | ≥240 |
Standards | Steel pipes No. | Chemical composition（％） | |||||||||
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 | |
Key Features of Seamless Steel Pipes for Construction Machinery
Durability: Seamless steel pipes are designed to last even under harsh environmental conditions. Their high corrosion resistance ensures they perform reliably over time, even in challenging weather and extreme temperatures.
High Strength: The absence of welds in seamless pipes provides better structural integrity and resistance to pressure. This makes them ideal for construction machinery that operates under high stress.
Precision Manufacturing: With precise dimensions and a smooth internal surface, seamless steel pipes are perfect for hydraulic applications where fluid flow must remain uninterrupted and efficient.
Wide Range of Sizes: Seamless steel pipes are available in various sizes and thicknesses, offering versatility for different construction machinery applications.
Cost-Effective Performance: Though they may be slightly more expensive than welded pipes, seamless steel pipes offer a longer service life, reducing maintenance costs and downtime.
Why Choose Our Seamless Steel Pipes?
Our seamless steel pipes are produced according to international quality standards, ensuring high consistency and reliability. With cutting-edge manufacturing techniques and strict quality control measures, we guarantee the performance and safety of our pipes in construction machinery applications. Our pipes also undergo rigorous testing, including pressure tests, corrosion resistance tests, and dimensional checks, to ensure they meet the specific needs of your equipment.
Why Seamless Steel Pipes Matter for Heavy Equipment
In the world of construction machinery, equipment uptime and performance are critical. Using seamless steel pipes enhances the reliability of hydraulic systems and structural components, reducing the chances of failures or malfunctions. Whether you're building a road, erecting a building, or performing excavation work, seamless steel pipes play a crucial role in keeping your machinery running smoothly.
Conclusion
Choose our high-quality seamless steel pipes for your construction machinery to ensure top-notch performance, reliability, and safety. Our pipes are engineered to handle the rigorous demands of heavy-duty applications and help you keep your machinery operating at peak efficiency.
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