Bulb flat bar

Shipbuilding bulb flat bar, Hot rolled bulb flat bar for shipbuilding, marine Hot rolled bulb flat bar for ship, Hot rolled bulb flat bar for ship hull
Standard: ABS, LR,GL, DNV, BV ,NK, KR, RINA
Steel Grade :ABS A,ABS B , ABS AH32, ABS AH36,LR A,LR B,LR AH32,LR AH36,GL A,GL B,GL AH32,GL AH36,DNV A,DNV B,DNV AH32,DNV AH36,BV A,BV B,BV AH32,BV AH36,
NK A,NK B,NK AH32,NK AH36,KR A,KR B,KR AH32,KR AH36,RINA A,RINA B,RINA AH32,RINA AH36,
Dimension range : 80*5 -- 430*20 , length from 3 meters to 13 meters

Hot rolled bulb flat bar size list:

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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