Carbon Steel Rectangular Pipe

Carbon Steel Rectangular Pipe (RHS) is a structural hollow section with four sides in a rectangle shape. It features high strength-to-weight ratio, clean appearance, and good weldability for versatile fabrication. Common materials include ASTM A500 Gr B/C, EN 10219 S235/S275/S355, and JIS G3466 STKR400 grades. It functions as load-bearing structural support and is widely used in building frames, bridge construction, machinery bases, solar panel mounts, and storage systems.

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PRODUCT DETAILS

Carbon steel rectangular pipe, also called Rectangular Hollow Section (RHS), is a structural tube with four sides in rectangle shape. It offers excellent strength-to-weight ratio and clean appearance for modern construction needs.

Product Parameters

Width range: 20mm to 400mm (regular sizes: 40mm, 50mm, 60mm, 80mm, 100mm, 120mm, 150mm)
Height range: 10mm to 200mm (regular sizes: 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 80mm, 100mm)
Wall thickness: 0.8mm to 20mm (regular sizes: 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm)
Length: 6 meters standard, we offer 3m to 12m as customized
Processing technique: ERW, Cold Rolled, Hot Rolled, Cold Forming
Execution standards: ASTM A500, EN 10219, JIS G3466, GB/T 6728
Packaging: Seaworthy bundles with steel strips, waterproof paper wrapped, plastic caps protection
Surface treatment: Black bare, oiled, painted, pre-galvanized, hot-dip galvanized, powder coating

Chemical Composition (Typical for Q235/SS400/A500 Grade B)

Carbon (C): 0.16-0.22%
Manganese (Mn): 0.70-1.35%
Phosphorus (P): ≤0.035%
Sulfur (S): ≤0.035%
Silicon (Si): ≤0.40%

Physical Properties

Tensile Strength: 400-550 MPa
Yield Strength: ≥275 MPa
Elongation: 21-25%

Product Applications

Building structural frameworks and columns. Bridge construction and supports. Machinery frames and equipment bases. Solar panel mounting structures. Transportation and trailers. Storage racks and shelving systems. Agricultural implements. Fencing and gates.

ONLINE MESSAGE

CUSTOMER VISIT

APPLICATION

Ship

Chemical Industry

Electricity

Oil and gas transportation

FAQ

1. How to get samples to check the quality? How long can I get the samples?
Answer:After confirming the price, we are happy to provide samples for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:We provide samples free of charge, but the customer is responsible for the courier freight.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.