Flat-bulb Steel for Ship Building

type	size(mm)					CSA (cm2)	weight (kg/m)	allowable deviation (mm)
type	b	t	h	rl	r	CSA (cm2)	weight (kg/m)	b	t	h
80×5 80×6	80	5	19	4	≤1.5	5.41	4.25	±1.5	+0.7 -0.3	±0.5
80×5 80×6	80	6	20	4	≤2	6.21	4.88
100×7 100×8	100	7	22.5	4.5	≤2	8.74	6.86
100×7 100×8	100	8	23.5	4.5	≤2	9.74	7.65
120×6 120×7 120×8	120	6	23	5	≤2	9.32	7.32
		7	24			10.52	8.26
		8	25			11.72	9.20
140×7 140×8 140×10	140	7	26	5.5	≤2	12.43	9.75	±2.0	+1.0 -0.3	±0.8
		8	27		≤2	13.83	10.85
		10	29		≤3	16.63	13.05
160×7 160×8 160×9 160×11	160	7	29	6	≤2	14.60	11.46
		8	30			16.20	12.72
		9	31			17.80	13.97
		11	33		≤3	21.00	16.49
180×8 180×9 180×10 180×11	180	8	33	7	≤2	18.86	14.80
		9	34		≤2	20.66	16.22
		10	35		≤3	22.46	17.63
		11	36		≤3	24.26	19.04
200×9 200×10 200×11 200×12	200	9	37	8	≤2	23.66	18.57	±3.0	+1.1 -0.3	±0.95
		10	38		≤3	25.66	20.14
		11	39			27.66	21.71
		12	40			29.66	23.28
220×10 220×11 220×12	220	10	41	9	≤3	29.66	22.27
		11	42			29.00	24.50
		12	43			31.20	26.22
240×10 240×11 240×12	240	10	40	10	≤3	33.49	25.50
		11	45			34.89	27.39
		12	46			37.29	29.27
260×10 260×11 260×12	260	10	47	11	≤3	36.11	28.35
		11	48			38.71	30.39
		12	49			41.31	32.43
280×11 280×12 280×13	280	11	51	12	≤3	42.68	33.50
		12	52			45.48	35.70
		13	53			48.28	37.90
300×11 300×12 300×13	300	11	54	13	≤3	46.78	36.70
		12	55			49.79	39.09
		13	56			52.79	41.44
320×12 320×13 320×14	320	12	58	14	≤3	54.25	42.60	±4.0	+1.3 -0.3	+1.10
		13	59		≤3	57.25	45.09
		14	60		≤4	60.85	47.60
340×12 340×13 340×14	340	12	61	15	≤3	58.84	46.20
		13	62		≤3	62.24	48.86
		14	63		≤4	65.54	51.50
370×13 370×14 370×15	370	13	66.5	16.5	≤3	69.70	54.70
		14	67.5		≤4	73.40	57.60
		15	68.5		≤4	77.10	60.50
400×14 400×15 400×16	400	14	72	18	≤4	81.48	63.96
		15	73			85.48	67.10
		16	74			89.48	70.20
430×14 430×15 430×17 430×19 430×20	430	14	76.5	19.5	≤4	89.70	70.60
		15	77.5			94.19	73.90
		17	79.5			102.79	80.70
		19	81.5			111.39	87.40
		20	82.5			115.00	90.80

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