Specifications

Standard: GB/T 9945-2001
Specification: 5#--27#; HP80-HP320
Material: Grade A, Grade B, Grade A32, Grade A36
Length: 4-12M

GB STANDARD
Specifications	mm Nominal Dimmenision					Section Area/c m2	Theoretical Weight/(kg/m)
	b	h	t	rl	r
40x3.5	40	14	3.5	2	≤1.5	2.03	1.59
50x4	50	16	4	2.5	≤1.5	2.87	2.26
60x5	60	19	5	3.5	≤1.5	4.31	3.38
7Ox5	70	21	5	3.5	≤1.5	5.09	4
8Ox5	80	22	5	4	≤1.5	5.87	4.61
9Ox5.5	90	24	5.5	4	≤1.5	7.07	5.55
100x6	100	26	6	5	≤1.5	8.67	6.81
120x6.5	120	30	6.5	5	≤2.0	11.19	8.78
140x7	140	33	7	6	≤2.0	11.13	11.1
140x9	140	35	9	6		16.93	13.3
160x8	160	36	8	7	≤2.0	18.04	14.17
160x10	160	38	10	7		21.21	16.68
180x9	180	40	9	7	≤2.0	22.28	17.5
180x11	180	42	11	7		25.88	20.32
200xl0	200	44	10	8	≤3.0	27.17	21.58
200x12	200	46	12	8		31.47	24.72
22Ox11	220	48	11	8.5	≤3.0	32.94	25.87
220x13	220	50	13	8.5		37.34	29.33
24Ox12	240	52	12	9	≤3.0	38.91	30.55
240x14	240	54	14	9		43.71	34.32
27Ox12	270	55	12	9.5	≤3.0	43.92	34.53
27Ox14	270	57	14	9.5		49.37	38.77