S275JO Low Alloy High Strength Steel Plate

General Overview

Standard: Complies with European standard EN 10025-2:2004 (structural steel).

Grade Explanation:

S: Indicates "structural steel".

275: Minimum yield strength ≥275 MPa (for thickness ≤16mm).

JO: Quality grade with impact resistance at 0°C (verified by Charpy V-notch impact test).

Key Mechanical Properties

Property	Typical Value (Thickness ≤16mm)
Yield Strength	≥275 MPa
Tensile Strength	410–560 MPa
Elongation	≥22%
Impact Test	27 J at 0°C (纵向,longitudinal)

 

 

 

 

 

 

Comparison with Similar Grades

Grade	Yield Strength (MPa)	Impact Temperature	Key Differences
S275JO	≥275	0°C	Lowest strength in S275 series; suitable for mild cold environments.
S275JR	≥275	Room temperature	No specified impact test at low temperature.
S355JO	≥355	0°C	Higher strength for heavier loads; better suited for critical structures.

Selection Considerations

Load Requirements:

Choose S275JO for projects with moderate load demands (e.g., non-load-bearing walls, secondary beams).

Upgrade to S355JO/S420 for higher strength needs (e.g., main structural beams).

Environmental Conditions:

Use S275JO in regions with ambient temperatures ≥0°C. For colder climates (e.g., below 0°C), select S275J2 (impact tested at -20°C) or higher grades.

Weldability:

Low carbon content ensures good weldability without preheating for thin sections. For thick plates (>25mm), preheating may be required to prevent cold cracking.

 

 

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our S275jo Low Alloy High Strength Steel Plate, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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