China JIS G3106 Hot Rolled for Welded Structure SM490YB Steel supplier - BBN steel,we can offer all kinds of Hot Rolled for Welded Structure steel.
What is SM490YB Steel? SM490YB Steel is hot rolled steel for welded structure in the form of plates, sheets & strips for architecture, engineering structures. SM490YB steel is a material grade and designation defined in JIS G3106 standard. JIS G3106 is a Japanese material standard for hot rolled steel for welded structure steel plates, sheets, strips for Architecture, Engineering Structures. The hot rolled steel for welded structure SM490YB steel is more reliable in its tensile strength than SM400B steel.
Dimensional Characteristics of SM490YB steel: The applicable thickness for this SM490YB steel material as defined in the JIS G3106, it is from 6 mm to 300 mm.
The Chemical Composition of SM490YB Steels: JIS G3106 defines the percentage of chemical composition of SM490YB steel steels as under:
Maximum Carbon (C) percentage is 0.20
Maximum Manganese (Mn) percentage is 1.60
Maximum percentage of Phosphorous (P) is 0.035
Maximum percentage of Sulphur (S) is 0.035
Maximum percentage of Silicon (Si) is 0.55
Remaining is iron (Fe) percentage and with few negligible impurities.
Mechanical Properties of SM490YB Steels: The tensile strength of the SM490YB Steels is expressed in Newton per millimeters and it must be at-least 490 N/mm2 (MPa) and maximum can be 610 N/mm2 (MPa). The yield strength is minimum 365. The elongation property of SM490YB Steel varies with the ranges of thickness. The minimum percentage range for elongation is 15.
SM400B comparison with this grade of SM490YB Steel material will show how SM490YB differs with SM400B in chemical composition & mechanical properties.
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