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Seamless Tubes represent a premium-grade, high-sulfur phosphorus lead-free free-cutting steel tubing engineered specifically for automated, high-speed precision machining applications.
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09CrCuSb steel pipe, also known as ND steel Tube or Corten Steel Pipe, is a specialized corrosion-resistant seamless tube specifically designed for harsh environments.
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S355JR Low-Alloy High-Strength Seamless Steel Tubes represent European EN standard low-alloy high-strength structural steel tubes engineered for applications requiring optimal balance between strength, toughness, and cost-effectiveness.
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Q355B Low-Alloy High-Strength Seamless Steel Tubes represent Chinese GB standard low-alloy high-strength structural steel tubes engineered for general industrial applications requiring optimal balance between strength, toughness, and cost-effectiveness.
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ST52 Low-Alloy High-Strength Seamless Steel Tubes represent German DIN standard low-alloy high-strength structural steel tubes engineered for applications requiring optimal balance between strength, toughness, and cost-effectiveness.
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E355 Low-Alloy High-Strength Seamless Steel Tubes represent European EN standard low-alloy high-strength structural steel tubes engineered for applications requiring superior strength-to-cost ratio and excellent processability.
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25CrMo4 Chromium-Molybdenum Alloy Seamless Steel Tubes represent German DIN standard medium-carbon chromium-molybdenum steel tubes specifically engineered for medium-temperature and medium-pressure applications requiring balanced strength, toughness, and creep resistance.
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SCM440 Chromium-Molybdenum Alloy Seamless Steel Tubes are Japanese JIS standard medium-carbon chromium-molybdenum steel tubes engineered for heavy-duty applications requiring exceptional strength, fatigue resistance, and high-temperature stability.
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4140 Chromium-Molybdenum Alloy Seamless Steel Tubes represent American ASTM/SAE standard medium-carbon chromium-molybdenum alloy steel tubes engineered for heavy-duty applications requiring exceptional strength, toughness, and thermal stability.
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4130 Alloy Seamless Steel Tubes represent American ASTM/SAE standard medium-carbon chromium-molybdenum alloy steel tubes engineered for medium-to-high strength applications requiring exceptional toughness and fatigue resistance.
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As a specialized seamless steel tube manufacturer with 21 years of industry expertise, Tenjan produces GOST 8733 seamless steel tubes that meet the Russian national standard for cold-deformed seamless steel tubes while maintaining compatibility with international specifications.
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As a specialized seamless steel tube manufacturer with 21 years of industry expertise, Tenjan produces GB/T 3094 cold-drawn special-shaped steel tubes that represent the pinnacle of custom profile manufacturing. Our precision-shaped steel tubes are engineered through advanced cold-drawing technology to deliver exceptional dimensional accuracy, superior surface quality, and optimized mechanical properties for specialized structural applications. With our experienced 30-year R&D team, we provide global clients with custom cross-section solutions that combine innovative engineering with cost-effective manufacturing.
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