1 / 2

Steel Stranded Wire

Describe

Send Inquiry

Product Description

Applications

✔ Infrastructure Projects: Used for reinforcing prestressed concrete structures in large-span railway and highway bridges.

✔ Industrial Use: Essential for overhead crane beams and multi-story industrial buildings.

✔ Geotechnical Engineering: Applied in rock-soil anchoring projects for added stability.

✔ Sports and Mining: Utilized in stadium construction and coal mine reinforcements.

Parameters Table

Steel wire specification table
Structure	1*7
Nominal diameter (mm)		Sectional area	Approx. weight (kg/100m)	Tensile strength (Mpa) / Min breaking strength (KN)
Steel strand	Steel wire	Sectional area	Approx. weight (kg/100m)	1270	1370	1470	1570
3.0	1.00	5.50	4.58	6.42	6.92	7.43	7.94
3.3	1.10	6.65	5.54	7.77	8.38	8.99	9.60
3.6	1.20	7.92	6.59	9.25	9.97	10.70	11.40
3.9	1.30	9.29	7.73	10.80	11.70	12.50	13.40
4.2	1.40	10.78	8.97	12.50	13.50	14.50	15.50
4.5	1.50	12.37	10.30	14.40	15.50	16.70	17.80
4.8	1.60	14.07	11.71	16.40	17.70	19.00	20.30
5.1	1.70	15.89	13.23	18.50	10.80	21.40	22.90
5.4	1.80	17.81	14.83	20.8	22.4	24.00	25.7
6.0	2.00	21.99	18.31	25.60	27.70	29.70	31.70
6.6	2.20	26.61	22.15	31.00	33.50	35.90	38.40
7.2	2.40	31.67	26.36	37.00	39.90	42.80	45.70
7.8	2.60	37.16	30.93	43.4	46.8	50.20	53.60
8.4	2.80	43.10	35.88	50.30	54.30	58.20	62.20
9.0	3.00	49.48	41.19	57.8	62.30	66.9	71.40
9.6	3.20	56.30	49.48	65.70	70.90	76.10	81.30
10.5	3.50	67.35	56.07	78.60	84.80	91.00	97.20
11.4	3.80	79.39	66.09	92.70	100.00	107.00	114.0
12.0	4.00	87.96	73.22	102.00	110.00	118.00	127.00

Frequently Asked Questions

What are the primary uses of 1*7 structure steel strands?

The 1*7 structure steel strand is primarily used in large-scale infrastructure projects such as railway and highway bridges, as well as in industrial building reinforcements and geotechnical anchoring.

How does tensile strength impact the performance of the steel wire?

Tensile strength (ranging from 1270Mpa to 1570Mpa) determines the minimum breaking strength of the strand. Higher tensile strength allows for greater load-bearing capacity in prestressed concrete structures.

Are these steel strands suitable for mining applications?

Yes, they are highly effective for coal mine reinforcements, providing the necessary stability and safety for underground mining operations.

What geotechnical benefits do rock-soil anchoring projects gain?

Using steel strands in geotechnical engineering provides superior anchoring stability, preventing soil movement and reinforcing slopes or underground excavations.

How is the sectional area of the strand determined?

The sectional area is calculated based on the nominal diameter of the steel strand and the individual steel wires, ensuring it meets specific engineering standards for each project.

Can these products be used in stadium construction?

Absolutely. The high strength and durability of these strands make them ideal for the complex architectural demands and large-span requirements of modern stadium roofs and structures.