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S235JR (EN 10025-2) and A36 (ASTM A36) are both mild carbon steels used in structural applications, with very similar chemical compositions and mechanical properties, making them often interchangeable. S235JR is a European standard steel with good weldability and impact resistance, while A36 is an American standard known for its versatility in construction. As a leading Chinese manufacturer and exporter, Gangsteel produces high-quality plates equivalent to both standards under asme sa 283/sa 283m, offering reliable alternatives for global projects in buildings, bridges, and machinery.
S235JR is a non-alloy structural steel under EN 10025-2, suitable for welding and general construction with a minimum yield strength of 235 MPa. A36 is a carbon structural steel under ASTM A36, used for similar purposes with a yield strength of 36 ksi (250 MPa). Both are low-carbon steels, but S235JR emphasizes impact testing at room temperature (JR designation), while A36 focuses on tensile properties. Gangsteel's asme sa 283/sa 283m plates provide comparable performance, including grades like sa 283 grade a steel plate, sa 283 grade b steel plate, sa 283 grade c steel plate, and sa 283 grade d steel plate for versatile structural needs.
The table below compares S235JR and A36:
Property |
S235JR |
A36 |
---|---|---|
Standard |
EN 10025-2 |
ASTM A36 |
Yield Strength (min, MPa/ksi) |
235 / 34 |
250 / 36 |
Tensile Strength (MPa/ksi) |
360-510 / 52-74 |
400-550 / 58-80 |
Elongation (min, %) |
26 |
20 |
Applications |
Structural components, welding |
Buildings, bridges, machinery |
Weldability |
Excellent |
Excellent |
Both steels have low carbon content for good weldability, with minor differences in alloying. Below is a table of typical compositions (in weight %, maximum unless specified):
Element |
S235JR |
A36 |
---|---|---|
C (Carbon) |
0.17 |
0.26 |
Mn (Manganese) |
1.40 |
1.03 |
P (Phosphorus) |
0.045 |
0.040 |
S (Sulfur) |
0.045 |
0.050 |
Si (Silicon) |
- |
0.40 |
Cu (Copper) |
- |
0.20 (min if specified) |
Gangsteel's sa 283 grade c steel plate offers a similar low-carbon profile for equivalent performance.
S235JR and A36 have overlapping mechanical properties, with S235JR providing better low-temperature impact resistance. The table below details typical values:
Property |
S235JR |
A36 |
---|---|---|
Yield Strength (min, MPa/ksi) |
235 / 34 |
250 / 36 |
Tensile Strength (MPa/ksi) |
360-510 / 52-74 |
400-550 / 58-80 |
Elongation (min, %) |
26 |
20 |
Hardness (Brinell, approx) |
120-140 |
119-162 |
Impact Test |
27J at 20°C (JR) |
Not required |
Gangsteel's asme sa 283/sa 283m plates match these for structural reliability.
Both are used in construction for beams, plates, and welded structures, with good corrosion resistance. They are often interchangeable, though A36 may have slightly higher strength. Gangsteel's plates support this with certifications.
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