Decoding the Distinctive Features: S235JR vs. DX51 Steel Grades

Decoding the Distinctive Features: S235JR vs. DX51 Steel Grades

Specification:
– The specification for both S235JR and DX51 steel grades include details regarding their mechanical and chemical composition.

Mechanical Composition:
– S235JR:
– Tensile strength: 360-510 MPa
– Yield strength: 235 MPa
– Elongation: 26% minimum

– DX51:
– Tensile strength: 270-500 MPa
– Yield strength: 140-350 MPa
– Elongation: 22-26%

Chemical Composition:
– S235JR:
– Carbon (C): 0.17% maximum
– Manganese (Mn): 1.40% maximum
– Phosphorus (P): 0.045% maximum
– Sulfur (S): 0.045% maximum
– Silicon (Si): 0.35% maximum
– Copper (Cu): 0.20% maximum

– DX51:
– Carbon (C): up to 0.12%
– Manganese (Mn): up to 2.00%
– Phosphorus (P): up to 0.60%
– Sulfur (S): up to 0.12%
– Silicon (Si): up to 0.60%

Note: The exact mechanical and chemical composition may vary depending on the specific standard and manufacturing processes used for these steel grades.