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AISI 304L 316L Hydraulic Lines Precision High Pressure Seamless Steel Tubes
Material Composition:
AISI 304L and 316L stainless steels are the primary materials used.
AISI 304L typically contains 18-20% chromium and 8-10.5% nickel, while AISI 316L contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum.
These compositions impart excellent corrosion resistance, especially in high-pressure and corrosive environments.
Precision Manufacturing:
Seamless steel tube manufacturing ensures uniformity in dimensions and structure, critical for high-pressure applications.
Precision cold-drawn or cold-rolled techniques employed to achieve tight tolerances and smooth surface finishes.
Diameter ranges typically from 3mm to 50mm, catering to various hydraulic system requirements.
Mechanical Properties:
| Property | AISI 304L | AISI 316L |
|---|---|---|
| Tensile Strength | 485 MPa (70,400 psi) | 485 MPa (70,400 psi) |
| Yield Strength | 170 MPa (24,600 psi) | 170 MPa (24,600 psi) |
| Elongation | 40% | 40% |
| Hardness (Brinell) | 170 | 170 |
High-Pressure Performance & Reliability
Designed to withstand extreme operational demands, these tubes are engineered with pressure ratings tailored to specific dimensions and wall thicknesses. Standard offerings support working pressures from 2,000 to 10,000 PSI (137.9–689.5 MPa), validated through rigorous hydrostatic and burst testing to ensure full compliance with international safety standards. Each tube is performance-verified for stability and leak-free operation under cyclic and sustained high-pressure conditions.
Advanced Corrosion Resistance
Constructed from AISI 304L or 316L stainless steel, the tubing delivers superior resistance to pitting, crevice corrosion, and stress corrosion cracking. This makes it especially suitable for aggressive environments such as marine installations, chemical processing plants, and offshore energy systems, where long-term durability and material integrity are critical.
Precision Surface Finish
Tubes are available in electropolished or mechanically polished finishes, achieving surface roughness values between Ra 0.4–0.8 μm. The smooth interior surface minimizes fluid resistance, reduces particulate adhesion, and enhances cleanability—key attributes for high-purity and high-efficiency fluid systems.
Versatile End Connection Options
To support flexible system integration, a range of end connections are offered, including compression fittings, flare fittings, and precision-welded ends. Each connection type is machined to exact tolerances, ensuring secure, leak-free performance even under high-vibration or high-pressure conditions.
Comprehensive Certifications & Standards
Manufactured in accordance with ASTM A269, A213, A511, and other relevant international standards, all products are supplied with complete material traceability and mill test reports. Additional certifications such as PED, ASME, or DNV-GL are available upon request to meet sector-specific compliance requirements.
Broad Application Scope
These tubes are widely used in critical hydraulic and instrumentation systems across sectors such as aerospace, automotive engineering, chemical processing, and energy. Typical applications include high-pressure hydraulic lines, heat exchanger tubing, instrumentation conduits, and precision fluid transfer systems.
Quality Assurance & Traceability
Every production batch undergoes stringent quality verification, including chemical composition analysis, dimensional inspection, non-destructive testing, and pressure performance validation. Full traceability from raw material to finished product guarantees consistent quality and operational reliability.
These precision high-pressure seamless steel tubes offer superior performance and durability in demanding hydraulic applications, backed by precise manufacturing, quality materials, and adherence to industry standards.
AISI 304L 316L Hydraulic Lines Precision High Pressure Seamless Steel Tubes
Material Composition:
AISI 304L and 316L stainless steels are the primary materials used.
AISI 304L typically contains 18-20% chromium and 8-10.5% nickel, while AISI 316L contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum.
These compositions impart excellent corrosion resistance, especially in high-pressure and corrosive environments.
Precision Manufacturing:
Seamless steel tube manufacturing ensures uniformity in dimensions and structure, critical for high-pressure applications.
Precision cold-drawn or cold-rolled techniques employed to achieve tight tolerances and smooth surface finishes.
Diameter ranges typically from 3mm to 50mm, catering to various hydraulic system requirements.
Mechanical Properties:
| Property | AISI 304L | AISI 316L |
|---|---|---|
| Tensile Strength | 485 MPa (70,400 psi) | 485 MPa (70,400 psi) |
| Yield Strength | 170 MPa (24,600 psi) | 170 MPa (24,600 psi) |
| Elongation | 40% | 40% |
| Hardness (Brinell) | 170 | 170 |
High-Pressure Performance & Reliability
Designed to withstand extreme operational demands, these tubes are engineered with pressure ratings tailored to specific dimensions and wall thicknesses. Standard offerings support working pressures from 2,000 to 10,000 PSI (137.9–689.5 MPa), validated through rigorous hydrostatic and burst testing to ensure full compliance with international safety standards. Each tube is performance-verified for stability and leak-free operation under cyclic and sustained high-pressure conditions.
Advanced Corrosion Resistance
Constructed from AISI 304L or 316L stainless steel, the tubing delivers superior resistance to pitting, crevice corrosion, and stress corrosion cracking. This makes it especially suitable for aggressive environments such as marine installations, chemical processing plants, and offshore energy systems, where long-term durability and material integrity are critical.
Precision Surface Finish
Tubes are available in electropolished or mechanically polished finishes, achieving surface roughness values between Ra 0.4–0.8 μm. The smooth interior surface minimizes fluid resistance, reduces particulate adhesion, and enhances cleanability—key attributes for high-purity and high-efficiency fluid systems.
Versatile End Connection Options
To support flexible system integration, a range of end connections are offered, including compression fittings, flare fittings, and precision-welded ends. Each connection type is machined to exact tolerances, ensuring secure, leak-free performance even under high-vibration or high-pressure conditions.
Comprehensive Certifications & Standards
Manufactured in accordance with ASTM A269, A213, A511, and other relevant international standards, all products are supplied with complete material traceability and mill test reports. Additional certifications such as PED, ASME, or DNV-GL are available upon request to meet sector-specific compliance requirements.
Broad Application Scope
These tubes are widely used in critical hydraulic and instrumentation systems across sectors such as aerospace, automotive engineering, chemical processing, and energy. Typical applications include high-pressure hydraulic lines, heat exchanger tubing, instrumentation conduits, and precision fluid transfer systems.
Quality Assurance & Traceability
Every production batch undergoes stringent quality verification, including chemical composition analysis, dimensional inspection, non-destructive testing, and pressure performance validation. Full traceability from raw material to finished product guarantees consistent quality and operational reliability.
These precision high-pressure seamless steel tubes offer superior performance and durability in demanding hydraulic applications, backed by precise manufacturing, quality materials, and adherence to industry standards.
