Round, Square Bar

Model

Series

ROUND BAR, SQUARE BAR

Product Description

Round, Square Bar

Round bar has a circular cross section and is also called as circular steel. Used in machine structure and for cutting work, etc.
Square bar has a squared cross section and is often used as shipbuilding materials.

Applications

Round Bar	Used in automobile shaft, industrial machine, home appliances, air-con compressor shaft, ball bearing or bearing race, etc.
Square Bar	Used in shipbuilding industry, civil engineering, automobile and other regular structures

Product Specifications

Product spec	weight calculation method
Round bar : 2~80Ф, 2,500~6,500L Square bar : 4.76~70Ф, 1,500~6,500L	R/B – radius x radius x 3.14 x length x specific gravity x quantity SQ/BAR – width x height x length x specific gravity x quantity

unit :	九	角	六角
kg/m	Round	Square Bar	Hexagon bar
SIZE	Section
SIZE	0.7854D²	D²	0.8660D²
4.76	0.14	4/16"
5	0.188
6	0.224	0.285	0.247
6.35	0.25	¼"
7	0.305	0.388	0.336
7.94	0.39	5/16"
8	0.398	0.507	0.439
9	0.504	0.642	0.556
9.52	0.56	⅜"
10	0.622	0.793	0.686
11	0.753	0.959	0.831
12	0.896	1.141	0.988
12.7	1	½"
13	1.052	1.34	1.16
14	1.22	1.554	1.346
15	1.4	1.784	1.545
15.87	1.56	⅝"
16	1.593	2.03	1.758
19	2.247	2.862	2.479
19.05	2.28	¾"
20	2.49	3.172	2.747
22	3.012	3.838	3.324
22.22	3	⅞"
25	3.89	4.956	4.292
25.4	3.98	1"
28	4.88	6.217	5.384
20	5.602	7.137	6.18
31.75	6.2	1¼"
32	6.374	8.12	7.032
34.92	7.59	1⅜"
35	7.625	9.714	8.413
38	8.988	11.45	9.917
38.1	8.95	1½"
40	9.96	12.688	10.988
42	10.98	13.988	12.114
44	12.051	15.352	13.296
44.45	12.2	1¾"
45	12.605	16.058	13.907
50	15.562	19.825	17.169
50.8	15.9	2"
53.97	17.96	2⅛"
55	18.83	23.988	20.775
60	22.41	28.548	24.723
60.32	22.43	2⅜"
63.5	24.86	2⅛"
65	26.3	33.504	29.016
69.85	30	2¾"
70	30.502	28.857	33.652
75	35.015	44.606	38.631
76.2	35.84	3"
80	39.84	50.752	43.952
85	44.975	57.294	49.619
88.9	48.84	3½"
90	50.422	64.233	55.628
95	55.64	71.568	61.981
95.25	55.91	3¾"
100	62.64	79.3	68.677
101.6	63.64	4"
105	68.631	87.428	75.717
110	75.323	95.957	83.11
114.3	80.54	4½"
115	82.326	104.874	90.826
120	89.64	114.192	98.875
130	105.203	134.017	116.065
140	122.01	155.428	134.608
150	140.063	178.425	154.524
160	159.361	203.008	175.815
170	179.691	229.177	198.478
180	201.691	256.932	222.515
190	224.724	286.273	247.926
200	249.002	317.2	274.711
250	389.065	495.625	429.236