Cold Drawing:
Material Grade:
Diameter 4.0 – 7.0 mm
Tensile Strength 1,770 – 1,860 MPa
Yield Strength ≥ 1,700 MPa (low‑relaxation wire)
Elongation at Break ≥ 2.5%
Relaxation (after 1,000 h at 80% stress) ≤ 2%
Chunpeng Group is a leading and professional manufacturer of prestressed concrete (PC) steel materials, with over 30 years of industry experience.
We are committed to delivering high-quality products and innovative solutions for infrastructure and construction projects worldwide.
Our Core Products are pc steel strand (Ultra High Tensile Strength PC Strand, Normal Tensile Strength PC Strand), Unbonded PC Strand, Galvanized PC Steel Strand, Weather-Resistant & Anti-Corrosion PC Strand, and PC Steel Wire.
In addition to our PC strand products, we also supply Prestressed Anchorage Systems and Photovoltaic Mounting Systems. The
Product Categories : Prestressed Steel Material > PC Steel Wire