ERW High Frequency Pipe 76mm-660mm Railway Station Construction Steel Tube

1. Product Overview

Product Name

ERW High Frequency Pipe 76mm-660mm Railway Station Construction Steel Tube

Core Standard & Product Positioning

This series of ERW high-frequency straight welded structural steel pipes is manufactured strictly in accordance with GB/T 3091, GB/T 13793, EN 10219 and AISC building structure standards, fully compliant with railway station and high-speed rail terminal construction specifications. Covering a complete outer diameter range of 76mm to 660mm, it is a dedicated structural steel tube for high-speed railway station buildings, railway terminal large-span roof trusses, structural support columns, space grid frames and station auxiliary steel structures.

Core Advantages for Railway Station Construction

Aiming at the high-standard construction characteristics of railway stations and high-speed rail terminals, this high-frequency ERW pipe has targeted structural performance optimization. It features high compressive strength and strong anti-deformation capacity, adapting to large-span roof truss load and long-term static bearing of station buildings. The integrated weld structure has excellent seismic and wind resistance, effectively resisting natural loads such as strong wind, vibration and temperature change, meeting the seismic design grade requirements of public transportation buildings. Precise dimensional tolerance ensures accurate assembly of space grid structures, greatly improving construction efficiency and overall structural uniformity of high-speed rail station projects, with ultra-high safety and durability for long-term public building operation.

2. Complete Technical Specifications

2.1 Dimension Range (Railway Station Structural Matching)

Outer Diameter: 76mm ~ 660mm (full-size coverage for station main support columns, large-span truss pipes and grid frame structural tubes)

Wall Thickness: 3.0mm ~ 22mm (medium wall for secondary structural support, thick wall for main load-bearing columns and large-span roof trusses)

Standard Length: 6m / 12m fixed length, 5.8–11.8m random length, support custom fixed-length cutting, pipe end beveling and flattening for on-site welding assembly

Dimensional Tolerance: Construction structure high-precision tolerance, ultra-low ovality and straightness deviation, ensuring seamless docking and overall force balance of station space grid structure

2.2 Available Material Grades for Railway Construction Projects

2.3 Railway Construction Professional Structural Performance

High Load-Bearing Capacity: Optimized pipe wall structure and high-strength steel grade, withstand large-span roof load and long-term static pressure, suitable for super-large space station building structure

Excellent Seismic Performance: Reasonable toughness and strength matching, meet high seismic grade design requirements of public traffic buildings, resist structural vibration and deformation

Strong Wind Resistance: High structural rigidity, adapt to open outdoor environment of railway stations, resist strong wind load and atmospheric impact

Stable Weld Integrity: High-frequency integrated welding, weld strength consistent with base metal, no structural fracture risk, long-term operation safety

Excellent Construction Adaptability: Good cutting, bending and welding performance, convenient for complex space grid and truss modeling construction of station buildings

Weather Durability: Stable performance under seasonal temperature difference and outdoor atmospheric environment, long service life for public building structures

3. ERW High-Frequency Professional Production Process for Railway Structure

Adopt building structure dedicated high-frequency welding process, strictly control structural stability and welding quality to meet railway station high-standard safety requirements:

Railway-Grade Raw Material Screening: Select structural special steel coils with uniform texture, qualified impact toughness and stable mechanical properties, meeting public building safety standards

Multi-Roll Balanced Precision Forming: Synchronous multi-pass rolling forming to ensure uniform pipe wall thickness and regular circularity, avoid local stress concentration of structural components

High-Frequency Solid-State ERW Welding: Filler-free induction welding, narrow heat-affected zone, uniform weld metallurgical structure, consistent strength with base metal

Internal & External Weld Burr Full Removal: Precision grinding of welds to ensure smooth pipe body, eliminate structural stress points, improve overall stability

Weld Stress Relief Treatment: Eliminate welding residual stress, improve structural anti-fatigue and anti-seismic performance, adapt to long-term building load

Online Sizing & Straightening: High-precision calibration of pipe straightness and size, ensure accurate assembly of station space truss and grid structure

Fixed-Length Cutting & Pipe End Finishing: Flat and smooth pipe ends, customizable beveling, convenient for on-site high-precision welding and bolt assembly

Structural Pressure & NDT Inspection: Full weld flaw detection and mechanical performance test to ensure compliance with railway construction structural standards

4. Strict Railway Construction Grade Quality Inspection

Raw Material Mechanical & Chemical Test: Batch inspection of yield strength, tensile strength and elongation to meet public building structural steel specifications

100% Weld Ultrasonic NDT Inspection: Full-length weld non-destructive testing to eliminate pores, cracks and internal defects, ensure structural safety

Structural Compression & Bending Test: Simulate station large-span load and wind pressure to verify anti-deformation and load-bearing capacity

Seismic Toughness Sampling Test: Detect material impact toughness to meet high seismic grade requirements of railway station public buildings

Full Dimensional Precision Inspection: Strict calibration of outer diameter, wall thickness and straightness to ensure engineering assembly accuracy

Third-Party Authoritative Certification: Support SGS, BV, TÜV inspection, provide complete MTC test reports for railway project acceptance and bidding

5. Core Product Advantages for Railway Station Construction

High-Safety Structural Performance: Meet high seismic and wind resistance standards of railway station public buildings, stable load-bearing capacity, no structural deformation or failure in long-term operation, ensuring public safety.

Large-Span Engineering Adaptability: High rigidity and strength, suitable for ultra-large-span station roof truss and space grid structure, reduce intermediate support columns, expand indoor space of waiting hall.

Integrated Weld Structural Stability: High-frequency solid-state welding realizes metallurgical integration of weld and base metal, effectively avoiding weld fracture under complex load, far superior to ordinary welded pipes.

High-Precision Engineering Matching: Ultra-low dimensional tolerance ensures accurate docking of complex space steel structures, improves on-site construction efficiency and reduces engineering error rate.

Strong Environmental Adaptability: Resist outdoor wind, temperature difference and atmospheric corrosion, suitable for long-term open-air operation of railway station buildings, low later maintenance cost.

Cost-Effective Structural Solution: More economical than seamless steel pipes with equivalent structural performance, stable quality, ideal for large-scale railway transit infrastructure construction.

6. Main Application Scenarios

High-Speed Railway Station Main Structure: Station building large-span roof truss, space grid frame, main load-bearing steel columns

Railway Terminal Public Building: Waiting hall, entrance and exit canopy, platform ceiling steel support structure

Rail Transit Auxiliary Engineering: Station corridor connection structure, outdoor platform support frame, wind and rain shelter steel structure

Station Renovation & Expansion Project: Old railway station steel structure reinforcement, new functional area structural pipe support

Railway Municipal Supporting Facilities: Station peripheral landscape structure, guardrail support, equipment auxiliary steel frame

7. Surface Treatment & Export Packaging

Surface Treatment Options for Building Structure

Standard Black Anti-Rust Treatment: Primer anti-rust coating, suitable for internal hidden structural components of station buildings

Hot-Dip Galvanized Treatment: Enhanced anti-corrosion performance, suitable for outdoor canopy and exposed station steel structures

Fireproof & Anti-Corrosion Coating: Customized fireproof coating for public buildings, meeting railway station fire protection design standards

Engineering Bulk Packaging Standard

Medium & Small Diameter Pipes: Steel strip bundling + plastic end caps, prevent pipe end deformation and dust entering, protect structural assembly precision

Large Diameter Pipes: ISPM15 wooden bracket isolation + waterproof tarpaulin wrapping, avoid collision damage during long-distance transportation

Permanent Engineering Marking: Clearly print specification, grade, executive standard and batch number on pipe body, convenient for railway project classification, construction and acceptance

8. Manufacturer Strength

Professional ERW high-frequency welded pipe production line dedicated to large-scale infrastructure and railway construction projects

Rich supporting experience in high-speed rail station, railway terminal and transit infrastructure steel structure projects

Strict infrastructure-grade quality control system, focusing on structural safety, seismic performance and welding stability

Stable large-batch supply capacity, adapt to short-cycle and high-standard construction requirements of railway key projects

Provide one-stop services including structural scheme matching, customized processing, special surface treatment and complete project inspection documents

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