Bridge Building Structure Pipe And Pile: Pipes and Pile Foundations for Bridge Structures

Brief Version

Bridge Building Structure Pipe And Pile is manufactured by Hebei Hengtong Pipe Fitting Group, covering EFW and JCOE LSAW types, used as core load-bearing foundation components for bridge piers and foundation piles. It has higher structural strength than ordinary straight seam welded pipe, with excellent durability and long-term stable bearing capacity under complex geological and underwater environments.

We support full customization of specifications, outer diameter 300–1422mm, wall thickness 7–130mm, and customizable arbitrary lengths. The production line adopts world-class JCOE forming and submerged arc welding equipment, equipped with PID automatic control and full online non-destructive testing, complying with ISO3183, API 5L, GB/T9711 and other international standards. Widely used in bridge foundation piles, offshore platform structures, municipal construction and long-distance oil and gas transmission projects, the annual production capacity reaches 150,000 tons.

Detailed Version

Product Overview

The bridge foundation is the core load-bearing base of the whole bridge structure, and its bearing performance directly determines the safety of the entire bridge. Insufficient or uneven foundation bearing capacity will cause uneven settlement and structural damage, so bridge building structure pipe and pile have extremely strict quality requirements.

Bridge Building Structure Pipe And Pile includes EFW electric welded pipe and JCOE LSAW submerged arc welded pipe. According to different welding processes, EFW pipe can be divided into arc welded pipe, resistance welded pipe, gas welded pipe, furnace welded pipe, etc. Electric welded steel pipe is applied to oil drilling and machinery manufacturing. Large-diameter spiral welded and JCOE welded pipes are specially used for bridge pier pipe piles, underwater foundation piles and long-distance oil and gas transportation pipelines.

Core Advantages

The strength of bridge building structure pipe and pile is generally higher than straight seam welded pipes. Narrow steel blanks can be used to produce large-diameter welded pipes, and steel plates of the same width can produce welded pipes of different outer diameters. Small-diameter welded pipes mostly adopt straight seam welding, while large-diameter ones adopt spiral submerged arc welding for better stress performance.

We provide targeted parameter customization according to different construction environments and geological reports. Common standard parameters of pipe piles are as follows:

Outer diameter: 300mm-800mm, special customized maximum up to 1422mm

Wall thickness: 70mm-130mm, special heavy wall up to 125mm

Length: fully customized on demand

Supporting concrete grade: minimum C80

Precompression stress: 4-8MPa for 300/400mm pipe piles, 6-10MPa for 500/600mm pipe piles

Reinforcement standard: spacing ≤500mm, concrete cover thickness ≥40mm

Production Line & Factory Information

Hebei Hengtong Pipe Fitting Group specializes in manufacturing JCOE LSAW pipes. Our complete production equipment includes plate edge milling machine, plate edge crimping machine, forming machine, track welding machine and mechanical expansion machine, all adopting top international design and manufacturing technology, equipped with PID automatic control and online non-destructive testing automatic system, enjoying high reputation in the steel pipe equipment manufacturing industry.

Executive product standards: ISO3183, API Spec 5L PSL2, API Spec 2B, GB/T9711

Applicable size range of JCOE pipe: 457mm(18inch)-1422mm(56inch)

Main application scenarios of JCOE pipe:

Long-distance onshore and offshore transportation pipelines for oil, gas, liquid coal; structural supporting pipes for offshore platforms, power stations and urban construction.

Commercial terms:

MOQ: 50 tons per specification for ordinary carbon steel pipe; 100 tons per specification for special steel pipe

Delivery time: 45 to 60 days generally

Payment method: 30% T/T advance payment, 70% T/T balance against copy of B/L or L/C at sight

Annual production capacity: 150,000 tons

Product R&D & Service Concept

Facing the complex construction conditions of bridge projects, we launch customized solutions from material performance optimization and production process innovation, forming a complete bridge infrastructure supporting system.

Our production of bridge pipe piles adheres to customer-oriented principles, takes technological innovation as the driving force, takes standard compliance as the quality guarantee, and takes sustainable long-term service performance as the development goal, to realize stable and long-term development.

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