V-shaped steel

Code product: TD31
Manufacture: TNGEC

Description Information

TNGEC's V-shaped steel products are used in building structures, building structures, road and bridge construction, factories, high voltage poles, telecommunications poles, shipbuilding industry, cargo warehouses, foundation piles. factory, factory building structure...

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Product information

TNGEC's V-shaped steel has sizes 63x63mm to 150x150mm with many different thicknesses, bar lengths from 6m to 12m or according to customer requirements.

Specifications

Quoted Standard TCVN 7571-1: 2019

Dimension, Sectional Area, Unit Mass And Quantity Reference According To TCVN 7571-1:2019 (see Figure 1 and Table 4).

Figure 1: Sectional Area of V-shaped steel

Table 4 - Dimension, Sectional Area, Unit Mass And Quantity Reference According To TCVN 7571-1:2019

Grande	Sectional Area diamention ¹⁾			Mass per meter length	Sectional area	Distance from focus			Informative reference
	Sectional Area diamention ¹⁾			Mass per meter length	Sectional area	Distance from focus			X.X = Y.Y			U.U		V.V
	A	t	r₁	kg/m	cm²	C_x=C_y	C_u	C_v	I_x=I_y	r_x=r_y	Z_x=Z_y	I_u	r_u	I_v	r_v	Z_v
	mm	mm	mm	kg/m	cm²	cm	cm	cm	cm⁴	cm	cm³	cm⁴	cm	cm⁴	cm	cm³
20x20	20	3	3.5	0.882	1.12	0.598	1.41	0.846	0.392	0.59	0.279	0.618	0.742	0.165	0.383	0.195
25x25	25	3	3.5	1.12	1.42	0.723	1.77	1.02	0.803	0.751	0.452	1.27	0.945	0.334	0.484	0.326
25x25	25	4	3.5	1.45	1.85	0.762	177	1.08	1.02	741	0.586	1.61	0.931	0.43	0.482	0.399
30x30	30	3	5	1.36	1.74	0.835	2.12	118	1.4	0.899	0.649	2.22	1.13	0.585	0.581	0.496
30x30	30	4	5	1.78	2.27	0.878	2.12	1.24	1.8	0.892	0.85	2.85	1.12	0.754	0.577	607
35 x 35	35	4	5	2.09	2.67	1	2.47	1.42	2.95	1.05	1.18	4.68	1.32	1.23	0.678	0.865
35 x 35	35	5	5	2.57	3.28	1.04	2.47	1.48	3.56	1.04	1.45	5.64	1.31	1.49	0.675	1.01
40x40	40	3	6	1.84	2.35	1.07	2.83	1.52	3.45	1.21	1.18	5.45	1.52	1.44	0.783	0.949
	40	4	6	2.42	3.08	1.12	2.83	1.58	4.47	1.21	1.56	7.09	1.52	1.86	0.777	1.17
	40	5	6	2.97	3.79	1.16	2.83	1.64	5.43	1.2	1.91	8.6	1.51	2.26	0.773	1.38
45 x 45	45	4	7	2.74	3.49	1.23	3.18	1.75	6.43	1.36	1.97	10.2	1.71	2.68	0.876	1.53
45 x 45	45	5	7	3.38	4.3	1.28	3.18	1.81	7.84	1.35	2.43	12.4	1.7	3.26	0.871	1.8
50 x 50	50	4	7	3.06	3.89	1.36	3.54	1.92	8.97	1.52	2.46	14.2	1.91	3.73	0.979	1.94
	50	5	7	3.77	4.8	1.4	3.54	1.99	11	1.51	3.05	17.4	1.9	4.55	0.973	2.29
	50	6	7	4.47	5.69	1.45	3.54	2.04	12.8	1.5	3.61	20.3	1.89	5.34	0.968	2.61
60 x 60	60	4	6.5	3.68	4.69	1.61	4.24	2.28	16	1.85	3.66	25.4	2.33	6.62	1.19	2.9
	60	5	8	4.57	5.82	1.64	4.24	2.32	19.4	1.82	4.45	30.7	2.3	8.03	1.17	3.46
	60	6	8	5.42	6.91	1.69	4.24	2.39	22.8	1.82	5.29	36.1	2.29	9.44	1.17	3.96
	60	8	8	7.09	9.03	1.77	4.24	2.5	29.2	1.8	6.89	46.1	2.26	12.2	1.16	4.86
65 x 65	65	6	9	5.91	7.53	1.8	4.6	2.55	29.2	1.97	6.21	46.3	2.48	12.1	1.27	4.74
65 x 65	65	8	9	7.73	9.85	1.89	4.6	2.67	37.5	1.95	8.13	59.4	2.46	15.6	1.26	5.84
70 x 70	70	6	9	6.38	8.13	1.93	4.95	2.73	36.9	2.13	7.27	58.5	2.68	15.3	1.37	5.6
70 x 70	70	7	9	7.38	9.4	1.97	4.95	2.79	42.3	2.12	8.41	671	2.67	17.5	1.36	6.28
75 x 75	75	6	9	6.85	8.73	2.05	5.3	2.9	45.8	2.29	8.41	72.7	2.89	18.9	1.47	6.53
75 x 75	75	8	9	8.99	11.4	2.14	5.3	3.02	59.1	2.27	11	93.8	2.86	24.5	1.46	8.09
80 x 80	80	6	10	7.34	9.35	2.17	5.66	3.07	55.8	2.44	9.57	88.5	3.08	23.1	1.57	7.56
80 x 80	80	8	10	9.63	12.3	2.26	5.66	3.19	72.2	2.43	12.6	115	3.06	29.9	1.56	9.37
80 x 80	80	10	10	11.9	15.1	2.34	5.66	3.3	87.5	2.41	15.4	139	3.03	36.4	1.55	11
90x90	90	7	11	9.61	12.2	2.45	6.36	3.47	92.5	2.75	14.1	147	3.46	38.3	1.77	11
	90	8	11	10.9	13.9	2.5	6.36	3.53	104	2.74	16.1	166	3.45	43.1	1.76	12.2
	90	9	11	12.2	15.5	2.54	6.36	3.59	116	2.73	17.9	184	3.44	47.9	1.76	13.3
	90	10	11	13.4	17.1	2.58	6.36	3.65	127	2.72	19.8	201	3.42	52.6	1.75	14.4
100 x 100	100	8	12	12.2	15.5	2.74	7.07	3.87	145	3.06	19.9	230	3.85	59.9	1.96	15.5
	100	10	12	15	19.2	2.82	7.07	3.99	177	3.04	24.6	280	3.83	73	1.95	18.3
	100	12	12	17.8	22.7	2.9	7.07	4.11	207	3.02	29.1	328	3.8	85.7	1.94	20.9
120 x 120	120	8	13	14.7	18.7	3.23	8.49	4.56	255	3 69	29.1	405	4.65	105	2.37	23.1
	120	10	13	18.2	23.2	3.31	8.49	4.69	313	3.67	36	497	4.63	129	2.36	27.5
	120	12	13	21.6	27.5	3.4	8.49	4.8	368	3.65	42.7	584	4.6	152	2.35	31.6
125 x 125	125	8	13	15.3	19.5	3.35	8.84	4.74	290	3.85	31.7	461	4.85	120	2.47	25.3
	125	10	13	19	24.2	3.44	8.84	4.86	356	3.84	39.3	565	4.83	146	2.46	30.1
	125	12	13	22.6	28.7	3.52	8.84	4.98	418	3.81	46.6	664	4.81	172	2.45	34.6
130 x 130	130	9	12	17.9	22.74	3.53	9.19	4.99	366	4.01	38.7	583	5.06	150	2.57	30.1
	130	12	12	23.4	29.76	3.64	9.19	5.15	467	3.96	49.9	743	5	192	2.54	37.3
	130	15	12	28.8	36.75	3.76	9.19	5.34	568	3.93	61.5	902	4.95	234	2.53	43.8
150 x 150	150	10	16	23	29.3	4.03	10.6	5.71	624	4.62	56.9	990	5.82	258	2.97	45.1
	150	12	16	27.3	34.8	4.12	10.6	5.83	737	4.6	67.7	1 170	5.8	303	2.96	52
	150	15	16	33.8	43	4.25	10.6	6.01	898	4.57	83.5	1 430	5.76	370	2.93	61.6
175 x 175	175	12	15	31.8	40.52	4.73	12.4	6.69	1170	5.38	91.8	1860	6.78	480	3.44	71.7
175 x 175	175	15	15	39.4	50.21	4.85	12.4	6.86	1440	5.35	114	2290	6.75	589	3.42	85.9
180 x 180	180	15	18	40.9	52.1	4.98	12.7	7.05	1 590	5.52	122	2 520	6.96	653	3.54	92.7
180 x 180	180	18	18	48.6	61.9	5.1	12.7	7.22	1 870	5.49	145	2 960	6.92	768	3.52	106
200 x 200	200	16	18	48.5	61.8	5.52	14.1	7.81	2 340	6.16	162	3 720	7.76	960	3.94	123
	200	20	18	59.9	76.3	5.68	14.1	8.04	2 850	6.11	199	4 530	7.7	1 170	3.92	146
	200	24	18	71.1	90.6	5.84	14.1	8.26	3 330	6.06	235	5 280	7.64	1 380	3.9	167
250 x 250	250	28	18	104	133	7.24	17.7	10.2	7 700	7.62	433	12 200	9.61	3170	4.89	309
250 x 250	250	35	18	128	163	7.5	17.7	10.6	9 260	7.54	529	14 700	9.48	3 860	4.87	364
¹⁾ Dimensions not shown in Table 4 shall be by agreement between manufacturer and purchaser.
NOTE: The mass per meter length of angled steel is calculated using the following formula:
Mass 1 m long (kg/m) = 0,785 x sectional area
In which: sectional area: a = (t(2A-t) + 0,215 (r₁² - 2r₂²)] /100 (cm²)
r₂ = 1/2 r₁.

Tolerances on shape and size

Tolerances on the shape and dimensions of angled steel are shown in Table 5. Tolerances not shown in Table 5 are subject to agreement between purchaser and manufacturer.

Table 5 - Tolerances on shape and size

Units in millimeters

Dimension		Tolerances	Note
Width (A)	A < 50	± 1,0
	50 ≤ A < 100	± 1,5
	100 ≤ A < 150	± 2,0
	150 ≤ A < 200	± 3,0
	A ≥ 200	± 4,0
Thickness (t)	t < 6,3	± 0,6
	6,3 ≤ t < 10	± 0,7
	10 ≤ t < 16	± 0,8
	t ≥ 16	+ 1,0
Length (L)	L ≤ 7m	+ 40 0
Length (L)	L > 7m	+ [40+(L-7)x5] 0
Non-perpendicularity (T)		T ≤ 0,025 x A
Curvature		Less than or equal 0,003 x length (L)

V-shape steel length

The supplied lengths of V-shape steel are specified in Table 6.

Table 6 - Supply Length

Dimensions in meters

6,0

7,0

8,0

9,0

10,0

11,0

12,0

13,0

14,0

15,0

Lengths not included in Table 6 by agreement between purchaser and manufacturer.

Mass tolerance

If required by the purchaser, the mass tolerances of V-shape steel are specified in Table 7.

Table 7 - Mass tolerances

Thickness (t)	Mass tolerances
Less than 10mm	± 5%
10mm or more	± 4%

Material grade: SS400

Technology standards

Vietnam, Japan

TCVN 7571-1:2019, JIS G 3192

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