Q235B Q355B Steel Pipe Pile from Pipe Pile Factory

Short Description:

Royal Steel Group supplies Q235B and Q355B Steel Pipe Piles from a professional pipe pile factory for global construction, foundation, and marine projects. Available in various diameters, wall thicknesses, and lengths, our welded steel pipe piles offer excellent strength, durability, dimensional accuracy, and weldability for deep foundations, bridges, ports, marine structures, and heavy-duty construction. Customized sizes, processing services, surface treatment, and third-party inspection are available.

Steel Grade: Q235B Q355B

Production standard: GB

Certificates: ISO9001, BV

Payment Term: 30%TT+70%

MOQ: 10 TON

Delivery Time: 7-15 Days

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Product Detail

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Product Overview

Royal Steel Group supplies Q235B and Q355B Steel Pipe Piles for deep foundation, marine construction, bridges, ports, wharves, offshore structures, and heavy-duty infrastructure projects. Manufactured with controlled production processes, our steel pipe piles provide high load-bearing capacity, reliable weldability, dimensional accuracy, and long-term durability.

Available in customized diameters, wall thicknesses, and lengths, Q235B/Q355B pipe piles can be supplied according to project drawings and technical specifications.

Product Detail

Item	Details
Product Name	Q235B Q355B Steel Pipe Pile
Material	Q235B, Q355B
Product Type	Welded Steel Pipe Pile
Shape	Round
Manufacturing	Spiral Welded / Longitudinal Welded
Outer Diameter	Customized
Wall Thickness	Customized
Length	Customized, commonly 6–12 m
Surface	Black, Shot Blasted, Painted, Galvanized or Coated
End Type	Plain End, Beveled End, Customized
Processing	Cutting, Welding, Beveling, Coating
Inspection	MTC, SGS, Third-Party Inspection Available

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GB Steel Pipe Pile Chemical Composition

Steel Grade	C (%)	Si (%)	Mn (%)	P (%)	S (%)
Q235B	≤0.22	≤0.35	≤1.40	≤0.045	≤0.045
Q345B	≤0.20	≤0.55	≤1.60	≤0.035	≤0.035
Q390	≤0.20	≤0.60	≤1.70	≤0.030	≤0.030
Q420	≤0.20	≤0.60	≤1.80	≤0.030	≤0.030

GB Steel Pipe Pile Mechanical Properties

Steel Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
Q235B	≥235	370–500	≥26
Q345B	≥345	470–630	≥21
Q390	≥390	490–650	≥20
Q420	≥420	520–680	≥19

GB Steel Sheet Pile Size

Manufacturing Process vs. Size Capabilities
Process	Max OD (mm)	Max WT (mm)	Length Range (m)	Cost Efficiency	Best For
SSAW (Spiral)	3200	30	6-18	Highest	Large diameter, medium wall thickness (16"-48")
LSAW (JCOE)	1422	50	6-18	High	Ultra-thick wall (≥1.0"), high strength requirements
ERW	660	25	6-18	Medium	Small to medium diameter, standard wall thickness
Seamless	1016	100	6-18	Lowest	Critical applications, corrosive environments

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GB Steel Sheet Pile Surface

Black Oil Surface

FPE Surface

3PE Surface

APPLICATION

Q235B and Q355B steel pipe piles are widely used in foundation engineering, infrastructure construction, and marine projects due to their high strength, excellent weldability, and strong load-bearing capacity.

Deep Foundation Systems – Supporting buildings, industrial facilities, warehouses, and heavy structures.

Bridge Foundations – Used for bridge piers, abutments, and other load-bearing foundation structures.

Marine Construction – Suitable for ports, docks, wharves, offshore platforms, and waterfront structures.

Piling for Buildings – Providing reliable foundation support where soil conditions require deep piles.

Retaining Structures – Used as structural elements for earth-retaining and temporary support systems.

River & Waterfront Projects – Applied in riverbank protection, flood-control structures, and waterfront development.

Industrial Facilities – Supporting heavy equipment, production lines, storage systems, and steel structures.

Offshore Engineering – Used for offshore foundations and other heavy-duty marine structures.

Infrastructure Projects – Suitable for roads, railways, bridges, ports, and large-scale public works.

Temporary Construction Works – Used for temporary foundations, shoring systems, and construction support.

Steel Pipe Piles Advantage

High Load-Bearing Capacity

Large-diameter steel pipe piles provide strong axial and lateral load-bearing performance for demanding foundation applications.

Excellent Weldability

Q235B and Q355B steel offer good weldability, allowing pipe piles to be fabricated, spliced, and connected according to project requirements.

Flexible Dimensions

Pipe diameter, wall thickness, and length can be customized to meet different soil conditions, pile depths, and structural loading requirements.

Suitable for Marine Projects

With appropriate coatings or corrosion protection, steel pipe piles can be used in ports, offshore structures, seawalls, and other marine environments.

Efficient Installation

Steel pipe piles can be installed using impact hammers, vibratory hammers, or other suitable piling equipment, depending on project conditions.

Custom Steel Pipe Pile Fabrication

Royal Steel Group supports customized Q235B Q355B steel pipe piles based on customer drawings and project specifications. Services may include:

1.Custom diameter and wall thickness

2.Custom cutting length

3.End beveling

4.Pile shoe welding

5.Flange welding

6.Splicing and connection fabrication

7.Anti-corrosion coating

8.Special marking

9.Customized packing

These services help simplify on-site installation and reduce additional fabrication work.

Why Choose Royal Steel Group?

Royal Steel Group provides reliable Q235B and Q355B steel pipe piles for construction, foundation, marine, and infrastructure projects worldwide.

Factory-Based Supply: Stable production capacity and consistent product quality.

Q235B & Q355B Materials: Suitable for different structural and foundation requirements.

Customized Dimensions: Customized outer diameter, wall thickness, length, and end finish.

Strict Quality Control: Professional inspection throughout raw materials, welding, dimensions, and finished products.

Complete Fabrication Services: Cutting, beveling, welding, pile shoe installation, and surface treatment available.

Corrosion Protection: Painting, epoxy, 3PE, galvanizing, and other coating solutions available.

Third-Party Inspection: SGS and other independent inspection services can be arranged.

Export Experience: Professional packaging, documentation, and global shipping support.

Project-Oriented Service: Technical support and customized steel pipe pile solutions based on project requirements.

PACKAGING AND SHIPPING

Steel pipe piles are securely bundled or individually protected according to their dimensions and transportation method. Suitable shipping solutions include container shipping, bulk vessel, and breakbulk transportation for oversized or large-diameter pipe piles.

Packing and marking can be customized according to customer requirements to facilitate identification and unloading at the destination port.