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Gangsteel, a globally recognized leader in manufacturing and exporting structural steel plates, supplies high-quality EN 10025-2 S275JR steel plates, tailored for construction, bridges, and heavy machinery applications in industries such as infrastructure, shipbuilding, and offshore engineering.
BS EN 10025-2 is the British version of the European standard for hot-rolled structural steels, with S275JR offering good strength, weldability, and impact resistance at +20°C. This article provides a comprehensive overview of bs en 10025-2 s275jr structural steel plates, including chemical composition, mechanical properties, applications, and benefits, offering valuable insights for engineers, fabricators, and procurement specialists.
DIN EN 10025-2 specifies the technical delivery conditions for flat and long products of hot-rolled non-alloy structural steels. The standard covers grades like EN 10025-2 S235JR steel, EN 10025-2 S235J0, EN 10025-2 S235J2 steel, EN 10025-2 S275JR, EN 10025-2 S275J0 steel, EN 10025-2 S275J2 steel, EN 10025-2 S355JR steel, EN 10025-2 S355J2 steel, EN 10025-2 S355K2 steel, EN 10025-2 S355JR+N, EN 10025-2 S355J0, and EN 10025-2 S450J0 steel. Among these, en 10025-2 s275jr stands out for its fine grain structure, improved machinability, and impact resistance at +20°C, making it suitable for structural components exposed to dynamic loads.
Gangsteel produces en 10025-2 s275jr plates in compliance with DIN EN 10025-2, ensuring traceability and quality certification for global projects. For related grades, explore EN 10025 S355J2G3 material steel plates and EN 10025 S355J2 N material, or refer to the BS EN 10025-2 material grade overview.
The chemical composition of en 10025-2 s275jr is tightly controlled to achieve optimal mechanical properties while maintaining weldability and formability. The table below outlines the typical composition per DIN EN 10025-2:
Element |
Composition (% by weight) |
---|---|
Carbon (C) |
0.21 max |
Manganese (Mn) |
1.50 max |
Phosphorus (P) |
0.035 max |
Sulfur (S) |
0.035 max |
Silicon (Si) |
0.55 max |
Copper (Cu) |
0.55 max |
Nitrogen (N) |
0.012 max |
Iron (Fe) |
Balance |
Key Notes:
Gangsteel’s en 10025-2 s275jr plates undergo stringent chemical analysis to meet DIN EN 10025-2 requirements, with options for additional testing such as ultrasonic inspection.
En 10025-2 s275jr offers excellent mechanical properties, making it versatile for structural engineering. The table below summarizes its key properties per DIN EN 10025-2 (for plates up to 16 mm thickness):
Property |
Value |
---|---|
Yield Strength (min) |
275 MPa |
Tensile Strength |
410–560 MPa |
Elongation (min, 200 mm) |
23% |
Impact Toughness (Charpy V-notch) |
27 J at +20°C |
Hardness (HB, typical) |
130–180 HB |
Highlights:
Compared to lower grades like EN 10025-2 S235JR (yield 235 MPa), en 10025-2 s275jr offers higher strength, allowing for thinner plates and weight savings in designs.
Thickness tolerance for en 10025-2 s275jr is governed by EN 10029, which specifies tolerances for hot-rolled plates 3 mm thick or above. For S275JR (non-alloy structural steel with ReH ≥ 275 N/mm²), the default is Class A, unless otherwise specified. The table below summarizes EN 10029 Class A thickness tolerances:
Nominal Thickness t (mm) |
Tolerance (mm) Upper/Lower |
---|---|
t ≤ 3 |
±0.3 |
3 < t ≤ 5 |
±0.4 |
5 < t ≤ 8 |
±0.5 |
8 < t ≤ 15 |
±0.6 |
15 < t ≤ 25 |
±0.8 |
25 < t ≤ 40 |
±1.0 |
40 < t ≤ 80 |
±1.2 |
80 < t ≤ 100 |
±1.4 |
100 < t ≤ 150 |
±1.8 |
150 < t ≤ 200 |
±2.2 |
200 < t ≤ 250 |
±2.6 |
Key Notes:
These tolerances ensure dimensional accuracy for structural applications, reducing fabrication issues.
En 10025-2 s275jr has several equivalent materials in international standards, allowing for global sourcing and substitution. The table below details equivalent grades by country/standard:
Country/Standard |
Equivalent Grade |
Notes |
---|---|---|
USA (ASTM) |
A36 |
Similar strength and weldability |
Germany (DIN) |
ST44-2 |
Comparable toughness at +20°C |
Japan (JIS) |
SS400 |
Equivalent for structural use |
China (GB) |
Q275B |
Matches yield strength and impact |
France (AFNOR) |
E28-2 |
Similar properties for construction |
ISO |
FE430B |
General structural equivalent |
UK (BS) |
43B |
Comparable for offshore applications |
Key Notes:
For more on equivalents, refer to Gangsteel’s BS EN 10025-2 material grade guide.
En 10025-2 s275jr stands out in the EN 10025-2 family for its balanced properties, offering several benefits:
En 10025-2 s275jr exhibits excellent weldability due to its low carbon equivalent, compatible with standard processes like SMAW, GTAW, and SAW. Key considerations:
Gangsteel supplies en 10025-2 s275jr in normalized conditions, enhancing grain refinement for improved fabrication performance.
En 10025-2 s275jr is versatile and widely used in:
Gangsteel’s en 10025-2 s275jr plates are available in thicknesses from 6–300 mm, with options for cut-to-size and cladding for specialized applications.
Gangsteel is a global leader in supplying DIN EN 10025-2 S275JR plates, offering:
En 10025-2 s275jr offers exceptional strength, weldability, and toughness, making it ideal for construction, offshore, and heavy machinery applications. Gangsteel’s high-quality S275JR plates ensure reliability and compliance with EN 10025-2 standards. For equivalent standards, explore our BS EN 10025-2 material grade guide.
What is the difference between S275JR and S275J0?
S275JR is tested for impact toughness at +20°C, while S275J0 is tested at 0°C, making S275J0 better for slightly colder environments.
What is the equivalent of S275JR in ASTM?
S275JR is equivalent to ASTM A36, with similar strength and weldability.
What is the hardness of S275JR?
The typical Brinell hardness (HB) of S275JR is 130–180 HB, depending on thickness and heat treatment.
What is S275JR steel used for?
S275JR is used in construction, bridges, offshore platforms, and heavy machinery due to its moderate strength and toughness at +20°C.
What is the chemical composition of S275JR?
S275JR has a maximum carbon content of 0.21%, manganese up to 1.50%, and low phosphorus/sulfur levels for enhanced toughness, as detailed in the composition table above.
What are the mechanical properties of S275JR?
S275JR has a minimum yield strength of 275 MPa, tensile strength of 410–560 MPa, and impact toughness of 27 J at +20°C, as summarized in the properties table.
Is S275JR a mild steel?
Yes, S275JR is considered a mild steel with a yield strength of 275 MPa, suitable for general structural applications.
What is the difference between S275JR and S355JR?
S355JR has a higher yield strength (355 MPa) than S275JR (275 MPa), making it suitable for heavier loads, while both share similar toughness at +20°C.
Gangsteel offers a wide range of production capabilities for en 10025-2 s275jr. The table below summarizes the available specifications:
Specification |
Details |
---|---|
Thickness |
6 mm–300 mm (common: 6–100 mm) |
Width |
1500 mm–4000 mm (common: 2000 mm, 2500 mm) |
Length |
6000 mm–18000 mm (customizable) |
Condition |
Hot-rolled, Normalized |
Certifications |
EN 10025-2, EN 10204 3.1/3.2, CE Marking |
Additional Testing |
Ultrasonic Testing (UT), Charpy V-notch Impact Test at +20°C, HIC (optional) |
Surface Finish |
Natural, Painted, Shot-blasted |
Production Capacity |
Up to 5000 tons/month |
Customization |
Cut-to-size, Beveling, Cladding (optional) |
Key Notes:
EN 10025-2 S275JR properties, S275JR structural steel plates, DIN EN 10025-2 S275JR equivalent, S275JR weldability, EN 10025-2 S275JR applications
Gangsteel, a globally recognized leader in manufacturing and exporting structural steel plates, supplies premiu
BS EN 10025-2 is the British version of the European standard for hot-rolled structural steels, with S355JR off
BS EN 10025-2 is the British version of the European standard for hot-rolled structural steels, with S355J2 off
Gangsteel produces en 10025-2 s355k2 plates in compliance with DIN EN 10025-2, ensuring traceability and qualit