SM490YA, SM490YB low alloy high strength plate parameters

SM490YA and SM490YB are Japanese standard low-alloy high-strength plates, which implement the JISG3106 standard. SM490YA and SM490YB steel plates have stable performance and excellent welding performance, and can be used to manufacture containers and construction machinery. Such as drilling rigs, excavators, loaders, etc. for mining and various engineering construction.

Mechanical properties of SM490YA and SM490YB steel plates:
Grade: SM490YA, SM490YB
Yield point (σs/MPa)≥365
Tensile strength (σb/MPa): 490-610
Elongation (δ%)≥19

Chemical composition of SM490YA, SM490YB steel plate:
Carbon C:≤0.20, Silicon Si:≤0.55, Manganese Mn:≤1.60, Sulfur S:≤0.035, Phosphorus P:≤0.035

SM490YA, SM490YB low alloy high strength plate delivery status: hot rolled, if necessary, normalizing, quenching + tempering or tempering heat treatment. In addition, heat treatment such as controlled rolling and controlled cooling can also be carried out according to the agreement between the supplier and the buyer.