Flat Bars

JIS G3101 (SS400)

Flat steel bars — thickness, width, sectional area and unit weight.

Section Size

Cross Section

Unit: mm4.5 × 25

Drawn in proportion, thin walls exaggerated · not to scale · JIS G3101 (SS400)

Flat Bars 4.5 × 25

0.88kg/m

Nominal weight

Dimensions (mm)

BWidth: 25mm
tThickness: 4.5mm

Area & Weight

Sectional Area: 1.125cm²

Full table · 141 sizes


4.5	25	1.125	0.88
4.5	32	1.44	1.13
4.5	38	1.71	1.34
4.5	44	1.98	1.55
4.5	50	2.25	1.77
6	25	1.5	1.18
6	32	1.92	1.51
6	38	2.28	1.79
6	44	2.64	2.07
6	50	3	2.36
6	65	3.9	3.06
6	75	4.5	3.53
6	90	5.4	4.24
6	100	6	4.71
6	125	7.5	5.89
8	25	2	1.57
8	32	2.56	2.01
8	38	3.04	2.39
8	44	3.52	2.76
8	50	4	3.14
8	65	5.2	4.08
8	75	6	4.71
8	90	7.2	5.65
8	100	8	6.28
8	125	10	7.85
9	25	2.25	1.77
9	32	2.88	2.26
9	38	3.42	2.68
9	44	3.96	3.11
9	50	4.5	3.53
9	65	5.85	4.59
9	75	6.75	5.3
9	90	8.1	6.36
9	100	9	7.06
9	125	11.25	8.83
9	150	13.5	10.6
9	180	16.2	12.7
9	200	18	14.1
9	230	20.7	16.2
9	250	22.5	17.7
12	25	3	2.36
12	32	3.84	3.01
12	38	4.56	3.58
12	44	5.28	4.14
12	50	6	4.71
12	65	7.8	6.12
12	75	9	7.06
12	90	10.8	8.48
12	100	12	9.42
12	125	15	11.8
12	150	18	14.1
12	180	21.6	17
12	200	24	18.8
12	230	27.6	21.7
12	250	30	23.6
12	280	33.6	26.4
12	300	36	28.3
16	32	5.12	4.02
16	38	6.08	4.77
16	44	7.04	5.53
16	50	8	6.28
16	65	10.4	8.16
16	75	12	9.42
16	90	14.4	11.3
16	100	16	12.6
16	125	20	15.7
16	150	24	18.8
16	180	28.8	22.6
16	200	32	25.1
16	230	36.8	28.9
16	250	40	31.4
16	280	44.8	35.2
16	300	48	37.7
19	38	7.22	5.67
19	44	8.36	6.56
19	50	9.5	7.46
19	65	12.35	9.69
19	75	14.25	11.2
19	90	17.1	13.4
19	100	19	14.9
19	125	23.75	18.6
19	150	28.5	22.4
19	180	34.2	26.8
19	200	38	29.8
19	230	43.7	34.3
19	250	47.5	37.3
19	280	53.2	41.8
19	300	57	44.7
22	50	11	8.64
22	65	14.3	11.2
22	75	16.5	13
22	90	19.8	15.5
22	100	22	17.3
22	125	27.5	21.6
22	150	33	25.9
22	180	39.6	31.1
22	200	44	34.5
22	230	50.6	39.7
22	250	55	43.2
22	280	61.6	48.4
22	300	66	51.8
25	50	12.5	9.81
25	65	16.25	12.8
25	75	18.75	14.7
25	90	22.5	17.7
25	100	25	19.6
25	125	31.25	24.5
25	150	37.5	29.4
25	180	45	35.3
25	200	50	39.2
25	230	57.5	45.1
25	250	62.5	49.1
25	280	70	55
25	300	75	58.9
28	100	28	22
28	125	35	27.5
28	150	42	33
28	180	50.4	39.6
28	200	56	44
28	230	64.4	50.6
28	250	70	55
28	280	78.4	61.5
28	300	84	65.9
32	100	32	25.1
32	125	40	31.4
32	150	48	37.7
32	180	57.6	45.2
32	200	64	50.2
32	230	73.6	57.8
32	250	80	62.8
32	280	89.6	70.3
32	300	96	75.4
36	100	36	28.3
36	125	45	35.3
36	150	54	42.4
36	180	64.8	50.9
36	200	72	56.5
36	230	82.8	65
36	250	90	70.6
36	280	100.8	79.1
36	300	108	84.8