S235JR Square Steel Pipe

S235JR Square Steel Pipe

S235JR is a non-alloy structural steel that conforms to European standards. It is equivalent to Q235B in Chinese national standards, which signifies it is a low-carbon carbon structural steel. The chemical composition of S235JR includes a carbon content not exceeding 0.17%, silicon not exceeding 0.35%, manganese not exceeding 0.65%, phosphorus not exceeding 0.030%, and sulfur not exceeding 0.030%.
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Product Introduction

Mechanical Properties:

Yield Strength: ≥225 MPa

Tensile Strength: 360~510 MPa

Elongation: ≥18%

These properties make S235JR suitable for various structural applications where strength and ductility are required.

Applications:

Due to its mechanical properties and ease of welding, S235JR square steel pipe is widely used in:

Construction

Bridge building

Shipbuilding

Automotive and vehicle structural components

Manufacturing of tools, cutting tools, molds, and measuring instruments

 Surface Finish:

The surface of S235JR square steel pipe can be categorized as:

Normal surface (FA), which may have minor and localized defects such as pits, concavities, scratches, etc., with a depth or height not exceeding half of the pipe's thickness tolerance.

Pickled surface, which allows for localized defects that do not affect the formability of the pipe, including minor scratches, dents, pits, roller marks, and color differences.

Product Name S235JR Square Steel Tube
Material Q235
Wall Thickness 1MM~12MM as the requirement
Outer Diameter 21.3MM~219.1MM
Length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual reques
Zinc Coating 30g-275g
Technique ERW(GALVANIZED)
Packing Bundle, or with all kinds of colors PVC or as your requirements

product-517-288

FAQ

Q. Are you a factory or a pure trading conpany?

A: We are a factory.

Q. Are your prices competitive?

A: for the same quality, our price is lower, for the same price, our quality is the best better.

Q. What are your company's strengths?

A: Factory spot, competitive prices, excellent quality, support factory inspection, video call at any time, technical support in

24/7. Simultaneously, we have participated in many international projects.

Q. Whether to support OEM or ODM?

A: We welcome customers to cooperate with us by OEM or ODM. We have a professional technical team, can be customized according to drawings or requirements.

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