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BS EN 10025 S275 PDF: Understanding the Standard and Equivalent Grades

As a leading exporter and manufacturer of high-quality structural steel plates, Gangsteel specializes in producing BS EN 10025-compliant materials, including the S275 steel grade.

S275 is a non-alloy structural steel under BS EN 10025-2, widely used for general construction and welded applications due to its balanced strength, ductility, and weldability.

This article provides an overview of S275, its properties, equivalent grades, and guidance on accessing the BS EN 10025-2 standard in PDF format.

Our S275 plates are supplied in as-rolled, normalized, or thermomechanically rolled conditions, depending on the variant (e.g., S275JR, S275J0, S275J2).

For a comprehensive overview of our en 10025 3 normalized steel plate offerings, including related grades like en 10025 3 s275nl normalized structural steel plate, explore our full range.

 

Overview of BS EN 10025 S275

S275 (BS EN 10025-2, designation 1.0044 for S275JR) is a low-carbon structural steel with a minimum yield strength of 275 MPa (for thicknesses ≤16 mm). It is available in three variants based on impact testing temperature:

  • S275JR: 27 J at +20°C.
  • S275J0: 27 J at 0°C.
  • S275J2: 27 J at -20°C.

These grades are suitable for buildings, bridges, machinery, and general structural applications, offering good weldability but not designed for extreme low-temperature toughness like en 10025 3 s275n normalized structural steel plate. For colder environments (-50°C), consider en 10025 3 s275nl normalized structural steel plate.

 

Chemical Composition of S275

The chemical composition ensures weldability and ductility (ladle analysis, max % unless noted, ≤100 mm thickness).

Element

Symbol

Max (%)

Carbon

C

0.21

Silicon

Si

0.40

Manganese

Mn

1.50

Phosphorus

P

0.035

Sulfur

S

0.035

Nitrogen

N

0.012

Copper

Cu

0.55

CEV

-

0.40

*Note: Low P/S levels enhance ductility; CEV ensures weldability.

 

Mechanical Properties of S275

Properties for as-rolled or normalized condition (minimum values, ≤16 mm thickness).

Variant

Yield Strength ReH (MPa)

Tensile Strength Rm (MPa)

Elongation A (%)

Charpy Impact (J)

S275JR

275

410–560

23

27 at +20°C

S275J0

275

410–560

23

27 at 0°C

S275J2

275

410–560

23

27 at -20°C

*Notes: Elongation per Lo = 5.65 √So. Yield/tensile strength decreases with thickness (e.g., 205 MPa at 200–250 mm).

 

Equivalent Grades to S275

The table below lists equivalent grades for S275 (focusing on S275JR unless noted) in major standards.

Standard

Equivalent Grade

Specification

Key Similarities

Notes

ASTM (USA)

A36

ASTM A36/A36M

Yield: ~250 MPa; Tensile: 400–550 MPa

Slightly lower yield; no impact test.

ASTM (USA)

A572 Gr. 42

ASTM A572/A572M

Yield: 290 MPa; Tensile: 415–550 MPa

Matches S275J2 for -20°C impact.

DIN (Germany)

St 44-2

DIN 17100

Yield: 275 MPa; Tensile: 410–540 MPa

Near-identical properties.

JIS (Japan)

SS400

JIS G 3101

Yield: ~245 MPa; Tensile: 400–510 MPa

No impact test; general use.

GB (China)

Q235B

GB/T 700

Yield: 235 MPa; Tensile: 370–500 MPa

Economical; verify impact needs.

*Note: For low-temperature applications (-50°C), use en 10025 3 s355nl normalized structural steel plate or ASTM A633 Gr. A.

 

Accessing BS EN 10025-2 S275 PDF

The BS EN 10025-2 standard, which includes S275 specifications, is a copyrighted document published by the British Standards Institution (BSI) and European Committee for Standardization (CEN). To obtain the official PDF:

  1. Purchase from BSI: Visit the BSI Shop (shop.bsigroup.com) and search for “BS EN 10025-2:2019” (latest edition). Prices range from £200–£300, depending on format and membership status.
  2. Standards Organizations: Access via CEN (cen.eu) or national standards bodies (e.g., DIN, ASTM) with licensing.
  3. Libraries/Institutions: Some universities or engineering libraries provide access to standards for members.
  4. Gangsteel Support: While we cannot distribute the PDF due to copyright, contact our sales team at admin@gangsteel.com for technical summaries or mill certificates (EN 10204 3.1) detailing S275 properties.

*Note: Beware of unofficial sources offering free PDFs, as they may be outdated, incomplete, or infringe copyright.

 

Applications and Substitution Notes

S275 is used in buildings, bridges, and machinery. Equivalents like ASTM A36, JIS SS400, and GB Q235B suit similar roles but lack standard impact testing unless specified (e.g., A572 Gr. 42 for S275J2). Verify delivery condition and toughness for critical applications. For higher strength, explore en 10025 3 s420nl normalized structural steel plate.

 

Why Choose Gangsteel?

Gangsteel offers ISO-certified S275 plates and equivalents in custom sizes with global export readiness. Contact us for pricing and dual-certified options.

 

Summary

BS EN 10025-2 S275 (S275JR/J0/J2) is a non-alloy structural steel with 275 MPa yield strength and tensile strength of 410–560 MPa, equivalent to ASTM A36, A572 Gr. 42, DIN St 44-2, JIS SS400, and GB Q235B. The official BS EN 10025-2 PDF is available from BSI or CEN for purchase, detailing full specifications for S275 and related grades.

 

FAQ

What is the closest ASTM equivalent to S275?

ASTM A36 (250 MPa yield) matches S275JR for general use; A572 Gr. 42 (290 MPa) aligns with S275J2 for -20°C impact.

How does JIS SS400 compare to S275?

SS400 (245 MPa yield, 400–510 MPa tensile) is similar to S275JR but lacks standard impact testing, limiting its use in cold conditions.

Is GB Q235B a direct substitute for S275?

Q235B (235 MPa yield, 370–500 MPa tensile) is close to S275JR but requires impact testing verification for critical applications.

Where can I legally access the BS EN 10025-2 PDF?

Purchase from BSI (shop.bsigroup.com) or CEN (cen.eu) for ~£200–£300; avoid unofficial sources to ensure accuracy and compliance.

What if I need S275 for low-temperature applications?

Use S275NL (EN 10025-3) or ASTM A633 Gr. A for -50°C toughness, as standard S275 lacks guaranteed cold performance.

 

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