S235JR is a non-alloy structural steel grade specified by EN 10025-2. It is commonly used in construction and engineering industries for making structural elements and parts requiring good weldability and machinability.
ASTM A36: ASTM A36 is an American standard carbon structural steel specification, which is often used in structural applications. It is closest to S235JR in terms of chemical composition.
JIS Ss400: SS400 is a Japanese standard (JIS G3101) for a structural steel that is equivalent to S235JR.
ISO E235B: ISO E235B is a European standard non-alloy structural steel grade, which is equivalent to S235JR under EN 10025-2.
S235JR:
Carbon (C): 0.17% - 0.20%
Silicon (Si): 0.35%
Manganese (Mn): 1.40%
Phosphorus (P): 0.045%
Sulfur (S): 0.045%
ASTM A36:
Carbon (C): 0.25% (max)
Manganese (Mn): 0.80% - 1.20%
Phosphorus (P): 0.04% (max)
Sulfur (S): 0.05% (max)
JIS SS400:
Carbon (C): 0.05% - 0.21%
Manganese (Mn): 0.50% - 1.50%
Phosphorus (P): 0.045% (max)
Sulfur (S): 0.050% (max)
S235JR, ASTM A36, JIS SS400:
Yield Strength (min): 235 MPa
Tensile Strength: 360-510 MPa
S235JR is widely used across various industries due to its good mechanical and chemical properties, including weldability and machinability. Its equivalents include ASTM A36 in the US, JIS SS400 in Japan, and ISO E235B in Europe, all providing similar structural capabilities suitable for general engineering and construction applications.
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