Mechanical properties of SM490
SM490 steel Product Introduction
The mechanical properties of SM490 mainly depend on its chemical composition and heat treatment process. In general, SM490 steel plates have high yield strength and tensile strength, as well as good elongation. These mechanical properties make SM490 steel plate widely used in engineering structures.
Specifically, the yield strength of the SM490 steel plate usually varies according to different thickness ranges. For example, for SM490B steel plate, when the thickness is less than 16mm, the yield strength is not less than 355MPa; When the thickness is 16~40mm, the yield strength is not less than 345MPa; Similarly, with the increase of thickness, the yield strength will decrease. The tensile strength usually ranges from 450 to 630MPa.
In addition, the elongation of SM490 steel plate is also an important mechanical property index, which reflects the plastic deformation ability of the steel plate under the action of tensile force. The elongation of SM490 steel plate is usually high, which can ensure that it has a certain ductility when it is stressed and avoid brittle fracture.
It should be noted that SM490 series steel plates also contain a variety of different quality grades, such as SM490YA, SM490YB, etc., and the mechanical properties of these steel plates may be slightly different. Therefore, when selecting and using SM490 steel plates, it is necessary to determine the appropriate model and specification according to the specific application scenarios and needs.
SM490 steel Product Details
JIS G3106 SM400C
| C | Si | Mn | P | S | ||||||||
| TH(MM) | ≤50 | >50≤200 | ||||||||||
| 0.18 | 0.18 | 0.35 | 1.4 | 0.035 | 0.035 | |||||||
| Mechanical properties MIN | ||||||||||||
| Yield strength (N/MM2) | Tensile strength (N/MM2) | Elongation % | ||||||||||
| TH(MM) | ≤16 | >16-40 | >40-75 | >75-100 | >100-160 | >160-200 | ≤100 | >100-200 | ≤15 | >5-16 | >16-50 | >40 |
| 245 | 235 | 215 | 215 | - | - | 400~510 | 400~510 | ≥23 | ≥18 | ≥22 | ≥24 | |
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