EN 10210 Round Hollow Section Structure Steel Pipe S235JRH S275J2H S335J2H S355J0H S355K2H Seamless Structure Steel Pipe

Ship plate AH32 high strength hull structural steel Carbon and alloy steels used in the construction and repair of ship

Company Profile

Hongye stands out with its unique capabilities! As a leading global metal distribution company, we provide tailored product solutions to meet our clients' needs, helping them gain a competitive edge.

Founded in 2009 and headquartered in Wuxi, China, Hongye has made significant achievements in the aerospace, defense, transportation, shipbuilding, semiconductor, energy, and construction sectors over the past five years.

We offer solutions in sheets, pipes, profiles, building materials, specialty steels, stainless steels, and non-ferrous metals. Additionally, our involvement in finance and port operations strengthens our position in the metal import and export market.

With our integrated “one-stop” services that include procurement, processing, retail, and logistics, Hongye has become an industry benchmark. We excel in delivering high-quality, cost-effective products, supported by robust supply chain management to meet customer needs continuously.

Internationally, Hongye has established a solid business network in Europe, Southeast Asia, and the Middle East. Our multilingual and culturally adept trade team ensures efficient and professional service for every transaction.

Since 2010, Hongye has made notable progress in sustainability, recognized by multiple institutions. By the end of 2012, we had invested 1.22 billion RMB (200 million USD) in China's metal distribution industry, becoming a significant local investor. We aim to expand our market share through collaboration and innovation.

Looking ahead, Hongye will continue to globalize, leveraging our experience and resources to grow our international market share and aspire to be a leader in the global metal distribution industry.

Our goal is to rank among the top 10 in comprehensive strength in China's metal distribution market.

Product Specification

Product Specification

1. Product Name: EN 10210 Round Hollow Section Structure Steel Pipes
2. Material Grades:
   • S235JRH
   • S275J2H
   • S335J2H
   • S355J0H
   • S355K2H
3. Manufacturing Process: Seamless
4. Outer Diameter:
   • Range: 21.3 mm to 508 mm
   • Tolerance: ±1% of the specified outer diameter
5. Wall Thickness:
   • Range: 2.0 mm to 40.0 mm
   • Tolerance: ±10% of the specified wall thickness
6. Length:
   • Typical Range: 6 to 12 meters
   • Tolerance: ±50 mm
7. Chemical Composition (wt.%):
   • S235JRH:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.50%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S275J2H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S335J2H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S355J0H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S355K2H:
     • Carbon (C) ≤0.20%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
8. Mechanical Properties:
   • S235JRH:
     • Tensile Strength: 360-510 MPa
     • Yield Strength: ≥235 MPa
     • Elongation: ≥20%
   • S275J2H:
     • Tensile Strength: 430-580 MPa
     • Yield Strength: ≥275 MPa
     • Elongation: ≥21%
   • S335J2H:
     • Tensile Strength: 470-630 MPa
     • Yield Strength: ≥335 MPa
     • Elongation: ≥20%
   • S355J0H:
     • Tensile Strength: 510-680 MPa
     • Yield Strength: ≥355 MPa
     • Elongation: ≥20%
   • S355K2H:
     • Tensile Strength: 510-680 MPa
     • Yield Strength: ≥355 MPa
     • Elongation: ≥20%
9. Applicable Standards:
   • EN 10210-1:2006 "Hot finished structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery requirements"
   • EN 10210-2:2006 "Hot finished structural hollow sections of non-alloy and fine grain steels - Part 2: Tolerances, dimensions and sectional properties"

Product Description

Product Characteristics

 

Certainly, let's review the key product characteristics of the EN 10210 round hollow section structure steel pipes:

1. Material Grades:

   • S235JRH
   • S275J2H
   • S335J2H
   • S355J0H
   • S355K2H

2. Manufacturing Process:

   • Seamless

3. Dimensions:

   • Outer Diameter: 21.3 mm to 508 mm
   • Wall Thickness: 2.0 mm to 40.0 mm
   • Length: Typical range of 6 to 12 meters

4. Tolerances:

   • Outer Diameter: ±1% of the specified outer diameter
   • Wall Thickness: ±10% of the specified wall thickness
   • Length: ±50 mm

5. Chemical Composition (wt.%):

   • S235JRH:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.50%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S275J2H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S335J2H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S355J0H:
     • Carbon (C) ≤0.22%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%
   • S355K2H:
     • Carbon (C) ≤0.20%
     • Manganese (Mn) ≤1.60%
     • Silicon (Si) ≤0.55%
     • Sulfur (S) ≤0.045%
     • Phosphorus (P) ≤0.045%

6. Mechanical Properties:

   • Tensile Strength, Yield Strength, and Elongation vary by grade (see previous details)

7. Applicable Standards:

   • EN 10210-1:2006 "Hot finished structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery requirements"
   • EN 10210-2:2006 "Hot finished structural hollow sections of non-alloy and fine grain steels - Part 2: Tolerances, dimensions and sectional properties"

 

 

Application of the product

 

1. Structural Applications:

   • Load-bearing structures in buildings, bridges, and other civil engineering projects
   • Columns, beams, trusses, and bracing systems
   • Scaffolding and formwork components
   • Support structures for industrial equipment and machinery

2. Mechanical Applications:

   • Hydraulic and pneumatic cylinder housings
   • Automotive and transportation components
   • Machine frames and enclosures
   • Shafts, axles, and other rotating parts

3. Architectural Applications:

   • Decorative elements and architectural features
   • Railings, handrails, and balustrades
   • Canopies, pergolas, and other outdoor structures
   • Furniture and interior design applications

4. Infrastructure Applications:

   • Utility poles and pylons for power transmission and distribution
   • Signposts, street lamps, and traffic control structures
   • Fencing, guardrails, and barriers for roads and highways
   • Supports for communications and telecommunications equipment

5. Industrial Applications:

   • Process piping and equipment in chemical, petrochemical, and power plants
   • Supports and frames for industrial machinery and equipment
   • Chutes, hoppers, and storage silos in mining and material handling industries
   • Structural components in shipbuilding and offshore oil and gas platforms

 

 

FAQ

Q1: Are you trading company or manufacturer?

A: We are the manufacturer with 3 factories. Specializing in producing welded Wear plate, carbon steel profile, Carbon Products bollard for over 10 years.

Q2:What product information must I provide before making a purchase?
A:Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.

Q3:What are your payment terms?
A: 30% T/T in advance and 70% balance before shipment or based on BL copy or LC at sight.

Q4:Is it possible to send samples?
A: Of course, we offer free samples and express shipping to customers all over the world.

Q5:Do you offer a service for customized products?
A: Yes, we can produce according to your specifications and drawings.

Q6:Can you assist me in importing steel products for the first time?
A: Yes, we have shipping agent who will arrange the shipment with you.
Q7. What is your delivery time?
A: Within 7 working days after receiving your balance payment.