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Detailed Image:
Standard Specifications:
Complies with DIN2391 and EN10305 standards for seamless precision steel tubes used in hydraulic and pneumatic systems.
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| DIN 2391 | ST35 | 1.0308 | ≦ 0.17 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － |
| ST45 | 1.0408 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － | |
| ST52 | 1.058 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.025 | ≦0.025 | － | － | |
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| DIN1629 | ST37 | 1.0254 | ≦ 0.17 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.04 | － | － |
| ST44 | 1.0258 | ≦ 0.21 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.04 | － | － | |
| ST52 | 1.0421 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.035 | － | － | |
| DIN1630 | ST37.4 | 1.0255 | ≦ 0.17 | ≦ 0.35 | ≧0.035 | ≦0.04 | ≦0.04 | － | － |
| ST44.4 | 1.0257 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.04 | ≦0.04 | － | － | |
| ST52.4 | 1.0281 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.035 | － | － | |
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| EN10305-1 EN10305-4 | E235 | 1.0308 | ≦ 0.17 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － |
| E255 | 1.0408 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － | |
| E355 | 1.058 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.025 | ≦0.025 | － | ||
Material:
Crafted from high-grade carbon steel (ST37.4, ST52.4) or alloy steel (E235, E355), ensuring robustness and resilience in demanding industrial environments.
Precision Tolerance:
Engineered with tight dimensional tolerances (OD/ID) and exceptional straightness, allowing for seamless integration into hydraulic circuits and assemblies.
Surface Finish:
bright annealing/galvanized/black phosphated
Application:
Hydraulic power steering systems in automobiles and heavy machinery.
Hydraulic cylinders for lifting equipment, excavators, and agricultural machinery.
Hydraulic control systems in aircraft landing gear and industrial machinery.
Pneumatic systems in industrial automation and machinery.
Pressure Ratings:
Engineered to withstand high-pressure conditions, ensuring reliable performance under challenging operational environments.
Corrosion Resistance:
Designed to resist corrosion from hydraulic fluids, chemicals, and environmental factors, ensuring prolonged service life and minimal maintenance requirements.
Packaging:
Supplied in straight lengths ,packaged securely to prevent damage during transportation and handling. Customized packaging options available upon request.
Certifications:
Manufactured under stringent quality control processes and may be accompanied by relevant certifications such as ISO 9001, or customer-specific certifications for quality assurance and traceability.
Detailed Image:
Standard Specifications:
Complies with DIN2391 and EN10305 standards for seamless precision steel tubes used in hydraulic and pneumatic systems.
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| DIN 2391 | ST35 | 1.0308 | ≦ 0.17 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － |
| ST45 | 1.0408 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － | |
| ST52 | 1.058 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.025 | ≦0.025 | － | － | |
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| DIN1629 | ST37 | 1.0254 | ≦ 0.17 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.04 | － | － |
| ST44 | 1.0258 | ≦ 0.21 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.04 | － | － | |
| ST52 | 1.0421 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.035 | － | － | |
| DIN1630 | ST37.4 | 1.0255 | ≦ 0.17 | ≦ 0.35 | ≧0.035 | ≦0.04 | ≦0.04 | － | － |
| ST44.4 | 1.0257 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.04 | ≦0.04 | － | － | |
| ST52.4 | 1.0281 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.04 | ≦0.035 | － | － | |
| Standard | Material Chemical Composition （%） | ||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | |
| EN10305-1 EN10305-4 | E235 | 1.0308 | ≦ 0.17 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － |
| E255 | 1.0408 | ≦ 0.21 | ≦ 0.35 | ≧0.04 | ≦0.025 | ≦0.025 | － | － | |
| E355 | 1.058 | ≦ 0.22 | ≦ 0.55 | ≦1.60 | ≦0.025 | ≦0.025 | － | ||
Material:
Crafted from high-grade carbon steel (ST37.4, ST52.4) or alloy steel (E235, E355), ensuring robustness and resilience in demanding industrial environments.
Precision Tolerance:
Engineered with tight dimensional tolerances (OD/ID) and exceptional straightness, allowing for seamless integration into hydraulic circuits and assemblies.
Surface Finish:
bright annealing/galvanized/black phosphated
Application:
Hydraulic power steering systems in automobiles and heavy machinery.
Hydraulic cylinders for lifting equipment, excavators, and agricultural machinery.
Hydraulic control systems in aircraft landing gear and industrial machinery.
Pneumatic systems in industrial automation and machinery.
Pressure Ratings:
Engineered to withstand high-pressure conditions, ensuring reliable performance under challenging operational environments.
Corrosion Resistance:
Designed to resist corrosion from hydraulic fluids, chemicals, and environmental factors, ensuring prolonged service life and minimal maintenance requirements.
Packaging:
Supplied in straight lengths ,packaged securely to prevent damage during transportation and handling. Customized packaging options available upon request.
Certifications:
Manufactured under stringent quality control processes and may be accompanied by relevant certifications such as ISO 9001, or customer-specific certifications for quality assurance and traceability.
