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Product solution

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Steel Section Series

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Flat-bulb steel

Flat-bulb steel is mainly applied to ship, marine, steel structure and bridge engineering. With rapid development of ship manufacturing industry in recent years, demand for flat-bulb steel is flourishing. Most ships select flat-bulb steel in structural design.

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Product serial number

Category

Steel Section Series

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Product description

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Product Parameters

Flat-bulb steel (whole series) HP60 ～ HP430

Model	Nominal size (mm)					Tolerance (mm)
Model	b×t×h	r1	r	Sectional area (cm²)	Theoretical weight (kg/m)	b	t	h
HP80×5	80×5×19	4	≤1.5	5.41	4.25	±1.5	+0.7 -0.3	±0.5
HP80×6	80×6×19	4	≤2	6.21	4.88
HP80×7	80×7×19	4	≤2	7.02	5.51
HP100×6	100×6×21.5	4.5	≤2	7.75	6.08
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