What is s275jr specification?

S275JR is a grade of carbon steel that belongs to the EN 10025-2 standard, which specifies technical delivery conditions for non-alloy structural steels. Here are the specifications for S275JR:

Chemical Composition:

Carbon (C): Maximum 0.21%

Manganese (Mn): Maximum 1.50%

Phosphorus (P): Maximum 0.040%

Sulfur (S): Maximum 0.040%

Silicon (Si): Maximum 0.60%

Mechanical Properties:

Yield Strength (Reh): Minimum 275 megapascals (MPa)

Tensile Strength (Rm): 410-560 MPa

Elongation (A): Minimum 23% (in the longitudinal direction)

Physical Properties:

Density: 7.85 g/cm³

Equivalent Grades:

ASTM A36

JIS SS400

ISO E275B

GB Q275B

Applications: S275JR is commonly used in various industries and applications such as:

Structural engineering and construction projects

General metal fabrication

Machinery manufacturing

Bridge building

Shipbuilding

Automotive industry components

It's important to note that the specifications provided here are general and may vary depending on specific standards or requirements set by different organizations or regions. When using S275JR or any other steel grade, it's advisable to refer to the relevant standards and consult with design professionals to ensure proper material selection and usage based on the specific application and design criteria.