JIS G3136:SN490 Building Structural Steel Plate
JIS G3136:SN490 Building Structural Steel Plate have two kinds: SN490B and SN490C. The JIS G3136:SN490 buildings Steel plate are used for a variety of purposes including storage, work spaces and living accommodation.
JIS G3136:SN490 Building Structural Steel Plate Chemical Composition
Grade | Thickness | Chemical Composition Analysis /% (≤) | ||||
C | Si | Mn | P | S | ||
SN490B | 6-50 | 0.18 | 0.55 | 1.6 | 0.03 | 0.015 |
50-100 | 0.2 | |||||
SN490C | 16-50 | 0.18 | 0.55 | 1.6 | 0.02 | 0.008 |
50-100 | 0.2 |
JIS G3136:SN490 Building Structural Steel Plate Mechanical Properties
Grade | Yield Strength N/mm2 (≥) | Tensile Strength | Elongation % (≥) | ||||||
Thickness(mm) | N/mm2 | Thickness(mm) | |||||||
6~12 | 12~16 | 16 | 16~40 | 40~100 | 6~16 | 16~50 | 40~100 | ||
SN490B | 325 | 325-445 | 325-445 | 325-445 | 295-415 | 490-610 | 17 | 21 | 23 |
SN490C | 一 | 一 | 325-445 | 325-445 | 295-415 |
Dimension range: 4.5mm -250mm x 1600mm-4100mm x 3000mm-12000mm
Delivery State: Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering, quenching, normalizing plus tempering, quenching and tempering and other delivery states are available for customers' requirements.
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