Bulb Flats

Bulb Flats

Bulb flats are most efficient and economical solution for plate stiffening. The bulb flats that we provided are hot-rolled, high quality and reliable. They are manufactured by Chinese top steel mills with good reputation and extremely strict quality management. We provide you a wide range of types and grades. The regular length range of bulb flats is 4~12m, but if you have any specific requirements, we can customize products for you. The bulb flats are produced in accordance with GB/T 9945-2012, EN 10067 or JIS G3192-2008. In addition to bulb flats, we also supply marine steel plates, T-sections, H beams, steel channels, flat bars, half-round bars... If you are interested in our products, welcome to contact us!

Below is a list of sample grades we regularly provide:

Shipbuilding Steel

Strength	Grade
Normal Strength	A B D E
High Strength	AH32 DH32 EH32 AH36 DH36 EH36 AH40 DH40 EH40
NOTE	the above grades are certified by relevant classification societies, such as CCS, ABS, BV, LR, GL, RINA, KR, NK, CNV...

Structural Steel

ASTM	A572A Gr50
EN 10025	S235JR+AR
	S235J0+AR
	S235J2+AR
	S275JR+AR
	S275J0+AR
	S275J2+AR
	S355JR+AR
	S355J0+AR
	S355J2+AR
	S355M+AR

Profile of Bulb Flats

Dimensions of Bulb Flats in accordance with EN 10067

Nominal Size

Dimensions for

(mm)

80×5

80×6

100×7

100×8

100

15.5

4.5

120×6

120×7

120×8

120

140×7

140×8

140×10

140

5.5

160×7

160×8

160×9

160×11

160

180×8

180×9

180×10

180×11

180

200×9

200×10

200×11

200×12

200

220×10

220×11

220×12

220

240×10

240×11

240×12

240

More details, please click here:/photos/Dimensions-of-Bulb-Flats-in-accordance-with-EN-10067.docx

Dimensions of Bulb Flats in accordance with GB/T 9945-2012

Model	Nominal Dimension mm					Sectional Area cm2	Nominal Weight kg/m
Model	b	t	h	r1	r	Sectional Area cm2	Nominal Weight kg/m
80×5	80	5	19	4	≦1.5	5.41	4.25
80×6	80	6	20	4	≦2	6.21	4.88
100×7	100	7	22.5	4.5	≦2	8.74	6.86
100×8	100	8	23.5	4.5	≦2	9.74	7.65
120×6	120	6	23	5	≦2	9.32	7.32
120×7	120	7	24	5	≦2	10.52	8.26
120×8	120	8	25	5	≦2	11.72	9.20
140×7	140	7	26	5.5	≦2	12.43	9.75
140×8	140	8	27	5.5	≦2	13.93	10.85
140×10	140	10	29	5.5	≦3	16.63	13.05
160×7	160	7	29	6	≦2	14.60	11.46
160×8	160	8	30	6	≦2	16.20	12.72
160×9	160	9	31	6	≦2	17.80	13.97
160×11	160	11	33	6	≦3	21.00	16.49
180×8	180	8	33	7	≦2	18.86	14.80
180×9	180	19	34	7	≦2	20.66	16.22
180×10	180	10	35	7	≦3	22.46	17.63
180×11	180	11	36	7	≦3	24.26	19.04
200×9	200	9	37	8	≦2	23.66	18.57
200×10	200	10	38	8	≦3	25.66	20.14
200×11	200	11	39	8	≦3	27.66	21.71
200×12	200	12	40	8	≦3	29.66	23.28

More details, please click here:/photos/Dimensions-of-Bulb-Flats-in-accordance-with-GB-9945-2012.docx

Relevant Links:

Shipbuilding Bulb Flats

Hot Rolled Bulb Flats

Bulb Flats

Bulb Flats

Bulb Flats