Guangxi FTZ Baochanglianda New Material Co., Ltd.

Products

Prestressed steel strand

Unbonded steel strand

15.2mm unbonded steel strand

Classification:

Unbonded steel strand

Product Introduction

Guangxi Free Trade Zone Baochang Lianda New Materials Co., Ltd. primarily manufactures steel strands for prestressed concrete, ultra-high-strength steel strands for prestressed concrete, prestressing wires, and unbonded steel strands, with an annual maximum production capacity of 200,000 tons. Our products are widely used in large-scale engineering projects such as expressways, railways, and long-span elevated bridges.

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Introduction

　　 Main product name: Prestressed steel strand

　　1. Steel strands for prestressed concrete

Serial number	Specification Model	Strength Level (MPa)	Relaxation Level (1000 h)	Implementation standard
1	1 × 7 - 9.53	1720, 1860	≤2.5%	GB/T5224、 ASTM A416
2	1 × 7 - 1 1.11	1720, 1860	≤2.5%	GB/T5224、 ASTM A416
3	1 × 7 - 1 2.5	1770, 1860	≤2.5%	BS5896
4	1 × 7 - 12.7	1720, 1860	≤2.5%	GB/T5224、 ASTM A41
5	1 × 7 - 15.2 0	1860, 1960	≤2.5%	GB/T5224
6	1 × 7 - 15.24	1860	≤2.5%	ASTM A416
7	1 × 7 - 1 5.7	1770, 1860	≤2.5%	GB/T5224
8	1 × 7 - 17.8	1860	≤2.5%	GB/T5224、 ASTM A41
9	1 × 7 - 15.2 0	1960, 2000, 2100, 2200, 2300, 2400	≤2.5%	QCR907-2022
10	1 × 7 - 9.3	1720, 1860	≤2.5%	BS5896

　　2. Unbonded prestressing steel strands

Serial number	Specification Model	Strength Level (MPa)	Relaxation Level (1000 h)	Implementation standard
1	1 × 7 - 15.2	1860	≤2.5%	JG /T 161-20 16 / GB/T5224-2023
2	1 × 7 - 15.24	1860	≤2.5%	JG /T 161-20 16/ ASTM A416
3	1 × 7 - 1 2.7	1860	≤2.5%	JG /T 161-20 16/ ASTM A416