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JIS G3106 SM490B Low-alloy High-strength Steel Plate
SM490B is a high-strength and low-alloy structural steel that offers improved toughness and weldability compared to SM490A. It is commonly used in construction and engineering projects that require higher strength and durability. SM490B also provides good corrosion resistance, making it suitable for various applications in different industries. With its superior properties, SM490B is highly regarded as a reliable and versatile material.
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JIS G3106 SM490B Low-alloy High-strength Steel Plate
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Description
JIS G3106 SM490B Low-alloy High-strength Steel Plate Chemical Composition
Chemical composition % max | ||||||
Grade | TH(MM) | C | Si | Mn | P | S |
SM490B | ≤50 | 0.18_ | 0.55 | 1.65 | 0.035 | 0.035 |
SM490B | >50≤200 | 0.20_ | 0.55 | 1.65 | 0.035 | 0.035 |
JIS G3106 SM490B Low-alloy High-strength Steel Plate Mechanical Property
SM490B 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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