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JIS G3106 SM490A Low-alloy High-strength Steel Plate
SM490A is a high-strength and low-alloy structural steel with excellent weldability and impact resistance. It is commonly used in construction and engineering projects that require heavy-duty materials. Additionally, SM490A offers good corrosion resistance, making it a versatile and reliable material that is highly regarded in various industries.
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JIS G3106 SM490A Low-alloy High-strength Steel Plate
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Description
JIS G3106 SM490A Low-alloy High-strength Steel Plate Chemical Composition
| Chemical composition % max | ||||||
| Grade | TH(MM) | C | Si | Mn | P | S |
| SM490A | ≤50 | 0.20_ | 0.55 | 1.65 | 0.035 | 0.035 |
| SM490A | >50≤200 | 0.22 | 0.55 | 1.65 | 0.035 | 0.035 |
JIS G3106 SM490A Low-alloy High-strength Steel Plate Mechanical Property
| SM490A Mechanical properties min | |||||||||||
| Yield strength (N/mm²) | Tensile strength (N/mm²) | Elongation % | |||||||||
| ≤16 | >16-40 | >40-75 | >75-100 | >100-160 | >160-200 | ≤100 | >100-200 | ≤15 | >5-16 | >16-50 | >40 |
| 325 | 315 | 295 | 295 | 285 | 275 | 490~610 | 490~610 | ≥22 | ≥17 | ≥21 | ≥23 |
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