... Hot-Rolled Steel Joist 热轧钢龙骨 Hot-Rolled Steel Section 热轧型钢 Hot-Working Die Steel 热锻模钢 ...
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hot-rolled section steel 热轧型钢
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It is hot-rolled or cold-rolled strip or sheet for the blank shape by the cold bending process after the high-frequency welding as a square cross-section made of steel shapes and sizes.
它是以热轧或冷轧带钢或卷板为坯料经冷弯曲加工成型后再经高频焊接制成的方形截面形状尺寸的型钢。
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