Contact Platform Support
Help CenterSteel Pipe & Tube & Precision Steel Pipe，20#, 45#, Q345B, E235, E355, ST52, 40Cr, 20CrMnTi
Related Products
-
Steel Pipe & Tube & Casting Pipe，HT200、HT250、QT400、QT500、ZG230-450、ZG270-500NegotiableMOQ: 5 Metric Tons -
Steel Coil & Strip & Hot Rolled Coil，Q235B，SPHC，SS400，S235JR，A36，SAE1006、SAE1008NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip & Cold Rolled Coil，SPCC、DC01、ST12、Q195、Q215、SPCD、SPCE、DC03、DC04、DC05、DC06、ST13、ST14NegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Ship Building Plate，AH32、DH32、EH32、FH32，AH36、DH36、EH36、FH36，AH40、DH40、EH40、FH40NegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Boiler Plate，EN 10028、ASTM A516、JIS G3115NegotiableMOQ: 5 Metric Tons
1. Product Overview
Precision Steel Pipe is a high-precision cold-drawn and cold-rolled seamless steel pipe with strict dimensional tolerance, smooth inner and outer wall finish and stable mechanical performance. Our core products include Precision Seamless Steel Pipe and Precision Bright Steel Pipe, which are upgraded high-end pipe materials different from ordinary seamless pipes. Manufactured through professional cold forming and precision finishing processes, Precision Steel Pipe features micron-level dimensional accuracy, no surface oxide layer, no cracks or burrs, and excellent concentricity and straightness. Precision Seamless Steel Pipe and Precision Bright Steel Pipe can be directly used for precision assembly without secondary processing, widely applied in hydraulic systems, automobile manufacturing, mechanical equipment, new energy industry, instrumentation and aerospace supporting fields. All Precision Steel Pipe products comply with international and national industry standards, with stable quality and high cost performance, favored by global industrial manufacturing customers.
2. Product Classification
According to production process, surface state and application scenarios, our Precision Steel Pipe series are divided into two mainstream core categories, covering all high-precision industrial piping demands:
1. Precision Seamless Steel Pipe: Precision Seamless Steel Pipe adopts integral seamless rolling and cold drawing process, with compact pipe body structure and uniform wall thickness. Without welding seam, Precision Seamless Steel Pipe bears uniform pressure and has stronger structural stability, suitable for high-pressure, high-precision and high-strength industrial working conditions. High-tolerance Precision Seamless Steel Pipe can meet ultra-precise assembly standards of high-end equipment and precision instruments.
2. Precision Bright Steel Pipe: Precision Bright Steel Pipe is finished by fine grinding and bright annealing process on the basis of precision cold rolling. Precision Bright Steel Pipe has mirror-like smooth inner and outer walls, bright surface and no oxidation skin. With extremely high dimensional accuracy and surface finish, Precision Bright Steel Pipe is the preferred material for parts that require no secondary processing and direct assembly.
3. Special Custom Precision Pipe: Including thick-wall precision pipe, thin-wall precision pipe, large-diameter precision pipe and corrosion-resistant precision pipe, supporting personalized customization for special equipment and extreme working conditions.
3. Implementation Standards & Material Grades
All Precision Steel Pipe products are produced in strict accordance with international authoritative standards, with complete material options and stable performance to meet diverse industrial standards:
Main Implementation Standards: DIN 2391, EN 10305, ASTM A519, SAE J524, GB/T 3639, GB/T 8162
Conventional Carbon Steel Grades: 20#, 45#, Q345B, E235, E355, ST52, SAE1020, SAE1045, widely used in general precision mechanical and hydraulic equipment
Alloy Steel Grades: 40Cr, 20CrMnTi, with high strength, wear resistance and stable mechanical properties, suitable for high-strength and heavy-load working conditions
Our high-end Precision Steel Pipe has strictly controlled tolerance, with outer diameter tolerance up to ±0.02mm, fully meeting the ultra-high precision matching requirements of modern intelligent equipment and precision manufacturing industry.
4. Complete Specification Parameters
4.1 Outer Diameter Range
Conventional outer diameter: Φ6mm – Φ219mm, support ultra-small and ultra-large non-standard precision size customization
4.2 Wall Thickness Range
Conventional wall thickness: 1.0mm – 20mm, with uniform wall thickness and tiny tolerance; support customized thin-wall and thick-wall precision processing
4.3 Length Specification
Standard fixed length: 6m – 12m, support 3m–14m arbitrary fixed-length cutting to adapt to different equipment assembly needs
4.4 Dimensional Tolerance Standard
Normal tolerance grade: ±0.05mm~±0.1mm; High-precision customized grade: ±0.02mm, with excellent straightness and concentricity, no deformation after processing and assembly.
5. Core Product Advantages
1. Ultra-high Dimensional Accuracy:Precision Steel Pipe adopts multiple cold rolling and cold drawing finishing processes, with strictly controlled outer diameter, inner diameter and wall thickness tolerance. The precise size of Precision Steel Pipe ensures zero gap assembly of mechanical parts and improves equipment matching accuracy.
2. Smooth & Clean Surface:Precision Seamless Steel Pipe and Precision Bright Steel Pipe have smooth inner and outer walls without oxide layer, cracks, burrs and pits. The bright and clean surface avoids pipeline blockage and medium abrasion, ensuring smooth operation of hydraulic and fluid conveying systems.
3. Stable Mechanical Performance: After precision annealing and heat treatment, Precision Steel Pipe has uniform metallographic structure, good toughness, high compressive strength and strong wear resistance. It is not easy to deform during cutting, bending and threading processing, with stable performance in long-term mechanical operation.
4. Excellent Pressure Resistance & Air Tightness: Seamless integrated structure of Precision Seamless Steel Pipe ensures uniform pressure bearing, no air leakage and no deformation under high pressure, which is very suitable for high-pressure hydraulic and pneumatic pipeline systems.
5. No Secondary Processing Required: The finished Precision Bright Steel Pipe can be directly used for product assembly, automobile parts processing and precision equipment manufacturing, effectively saving processing time and reducing production costs for customers.
6. Strong Customization Adaptability: Support non-standard size, special tolerance, special length and surface anti-rust treatment customization to meet personalized precision manufacturing needs of various industries.
6. Main Application Scenarios
1. Hydraulic & Pneumatic System Industry: Precision Seamless Steel Pipe is widely used for high-pressure hydraulic pipelines, cylinder pipes and pneumatic equipment pipelines. The high-precision and high-tightness Precision Seamless Steel Pipe ensures stable pressure transmission and no medium leakage.
2. Automobile Manufacturing Industry: Precision Bright Steel Pipe is used for automobile shock absorber pipes, engine oil pipes, chassis structural parts and precision accessories. The high-precision size and smooth surface of Precision Bright Steel Pipe meet the strict assembly standards of auto parts.
3. Precision Mechanical Equipment: Precision Steel Pipe is applied to automated equipment, machine tool accessories, instrumentation parts and precision transmission parts, providing high-precision structural support for intelligent mechanical equipment.
4. New Energy & Aerospace Industry: High-strength and high-precision Precision Steel Pipe is used for new energy equipment supporting pipelines and aerospace precision structural parts, adapting to high-standard industrial manufacturing requirements.
5. Petroleum & Electromechanical Engineering: High-precision instrument pipelines and precision fluid conveying pipelines adopt qualified Precision Steel Pipe to ensure accurate and stable fluid transmission.
6. Household & Hardware Precision Parts: High-precision polishedPrecision Bright Steel Pipe is suitable for smart home accessories and high-precision hardware products with strict surface requirements
7. Processing & Connection Methods
1. Cutting & Fixed-length Processing: Precision Steel Pipe supports precise fixed-length cutting with flat and burr-free cuts, meeting accurate size requirements of finished parts.
2. Threading & Rolling Processing: The pipe body has stable hardness and uniform texture, which can be directly threaded, grooved and rolled without cracking or deformation, convenient for later assembly and connection.
3. Bending & Stretching Processing: Precision Seamless Steel Pipe has good ductility, supporting cold bending and stretching molding, suitable for customized special-shaped parts processing.
4. Welded & Clamp Connection: Suitable for pipeline assembly; the smooth pipe surface ensures tight connection and no leakage, adapting to various precision pipeline layout schemes.
8. Packaging, Quality Inspection & Delivery
1. Professional Packaging Standard: Finished Precision Steel Pipe is cleaned and oiled for rust prevention first, then bundled with high-strength steel belts. Pipe ends are equipped with plastic protective caps to prevent thread and port damage, ensuring clean and flawless pipe surface during transportation.
2. Strict Quality Inspection: All Precision Steel Pipe products undergo 100% dimensional tolerance detection, surface flaw detection and hydraulic pressure test. Complete inspection reports, material certificates and standard qualification documents are provided.
3. Delivery Cycle: Standard-specification Precision Steel Pipe, Precision Seamless Steel Pipe and Precision Bright Steel Pipe are in sufficient stock, delivered within 3–5 working days. Customized precision pipes with special sizes and tolerances are delivered within 7–10 working days.
4. Global Logistics Support: Support nationwide distribution, sea freight and international trade transportation, with flexible delivery methods of self-pickup, LCL and full truck load, ensuring fast and safe delivery of goods.
9. Storage & Usage Precautions
1. Precision Steel Pipe must be stored in a dry, ventilated and dust-free indoor warehouse. Long-term open-air stacking, rainwater soaking and dust pollution are prohibited to avoid surface rust and scratch affecting precision.
2. Store Precision Seamless Steel Pipe and Precision Bright Steel Pipe by specification and material grade separately to avoid mixing and misapplication.
3. Avoid severe collision, extrusion and friction during hoisting and transportation to prevent pipe body deformation and surface scratch damage.
4. Precision Steel Pipe is not suitable for long-term use in strong acid and strong alkali corrosive environments; anti-corrosion precision pipe shall be selected for corrosive working conditions.
5. Process and assemble strictly according to precision equipment standards to ensure the matching accuracy and service life of Precision Steel Pipe parts.
10. Supporting Derivative Products
- High-precision Precision Seamless Steel Pipe: Ultra-tolerance controlled seamless pipe, dedicated for high-end precision equipment and high-pressure hydraulic systems
- Mirror Precision Bright Steel Pipe: Super smooth bright surface, no secondary polishing required, for direct assembly of precision parts
- Alloy Precision Steel Pipe: High-strength alloy material, wear-resistant and pressure-resistant, suitable for heavy-duty precision mechanical working conditions
Send Inquiry to This Supplier
You May Also Like
-
Steel Sheet & Plate & Steel Sheet Pile，Q235P、Q355P、Q420P、SY295、SY390NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip，Hot‑Rolled Steel Coil (HRC): Specifications, Grades, Applications & Export GuideNegotiableMOQ: 5 Metric Tons
-
Steel Rebar，Deformed Steel Rebar: Specifications, Grades, Applications and Export GuideNegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Checkered Plate，ASTM A36, EN 10025‑2, JIS G3101NegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Pressure Vessel Plate，SA516 Gr60/Gr70、P265GH、P355GHNegotiableMOQ: 5 Metric Tons
-
Steel Angle & Angle Steel，ASTM A36，EN 10056‑1/2，JIS G3192NegotiableMOQ: 5 Metric Tons
-
Steel Rebar & Reinforced Steel Bar，HRB400、HRB500、HRB400E、HRB500ENegotiableMOQ: 5 Metric Tons
-
Steel Wire & Ordinary Black Steel Wire，Q195、Q235、65#、70#、82BNegotiableMOQ: 5 Metric Tons
-
Flat Steel & Flat Bar，A36、S235JR、S355JR、SS400NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip & Color Coated Coil，DX51D+Z, DX51D+AZ, CGCC, S250GD, S300GD, S350GD, S550GDNegotiableMOQ: 5 Metric Tons
