BIS Certification Plain hard-drawn steel wire for pre-stressed concrete Part 2 as drawn wire IS 1785 (Part 2)

Bureau of Indian Standards (BIS) certification is mandatory for plain hard-drawn steel wire for pre-stressed concrete, Part 2: as per IS 1785 (Part 2): 1983. This ensures that the product meets the specified quality and safety standards prescribed by BIS, which is essential for its application in construction and other relevant industries. Plain hard-drawn steel wire for prestressed concrete, specifically Part 2 as Drawn Wire, is utilized in construction projects requiring high-strength reinforcement. These wires are integral to the production of prestressed concrete, where they are tensioned before concrete placement, creating a compressive force upon release that enhances the concrete's load-bearing capacity and resistance to cracking. As drawn wire provides superior tensile strength and stability, making it suitable for critical infrastructure applications such as bridges, buildings, and highways, ensuring long-term performance and structural integrity.

Importance of BIS Certification

BIS certification is essential for Plain Hard-drawn Steel Wire for Prestressed Concrete; Part 2 as Drawn Wire to ensure adherence to stringent quality and safety standards set by the Bureau of Indian Standards. This certification guarantees that the wires possess the necessary tensile strength, durability, and stability required for their critical role in prestressed concrete applications. By meeting BIS standards, manufacturers can assure the reliability and performance of these wires, thereby enhancing the safety and longevity of infrastructure projects such as bridges and buildings, and ensuring compliance with regulatory requirements and fostering consumer trust.

IS 1785 (Part 2): 1983

As per the latest Quality Control Order (QCO) issued by the Ministry of Steel, Government of India, on 5th February 2024, Plain Hard-drawn Steel Wire for Prestressed Concrete; Part 2 as Drawn Wire must adhere to the Indian Standard IS 1785 (Part 2): 1983. This standard ensures that the steel wires meet essential quality and safety criteria, including the necessary tensile strength, durability, and stability for use in prestressed concrete applications. Compliance with IS 1785 (Part 2): 1983 guarantees that the wires are manufactured to precise specifications, ensuring their reliability and performance in critical infrastructure projects, thereby aligning with regulatory guidelines and fostering consumer trust in the quality and safety of construction materials.

Key highlights

Product Name	Plain hard-drawn steel wire for pre-stressed concrete Part 2 as drawn wire
Applicable Indian Standard	IS 1785 (Part 2): 1983
Applicable Certification Scheme	Product Certification Scheme (ISI Mark Scheme) Scheme 1 - Schedule 2
Compliance Requirement	Mandatory
QCO Link	BIS Certification Plain hard-drawn steel wire for pre-stressed concrete Part 2 as drawn wire IS 1785 (Part 2)
Scope as per Standard	This standard (Part II) covers the requirements for manufacture, supply and testing of plain as-drawn steel wire for use in prestressed concrete pipes and similar other purposes.

Tests

The following are the major tests for Plain Hard-drawn Steel Wire for Prestressed Concrete: Part 2 As Drawn Wire.

Nominal Size, Ovality and tolerance
Nominal mass
Tensile Strength
Proof stress
Ductility

BIS Certification Plain hard-drawn steel wire for pre-stressed concrete Part 2 as drawn wire IS 1785 (Part 2)

NOTE:

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Procedure for Domestic Manufacturer
Procedure for Foreign Manufacturer

Timeline for BIS Certification

The approximate timeline to obtain BIS certification for Plain Hard-drawn Steel Wire for Prestressed Concrete; Part 2 as Drawn Wire to use the ISI mark as per IS 1785 (Part 2): 1983 is as follows:

For Indian Manufacturers (Standard Timeframe – 30 days)
For Foreign Manufacturers (Standard Timeframe – 180 days)

Conclusion:

In conclusion, the use of Plain Hard-drawn Steel Wire for Prestressed Concrete; Part 2 as Drawn Wire is critical for ensuring high-strength reinforcement in construction projects, providing superior tensile strength and stability necessary for long-term structural integrity. BIS certification plays a vital role in maintaining stringent quality and safety standards, ensuring that these wires are reliable and durable for use in critical infrastructure such as bridges and buildings. Compliance with Indian Standard IS 1785 (Part 2): 1983, as mandated by the Ministry of Steel's latest Quality Control Order, is essential for manufacturers to guarantee product consistency, regulatory alignment, and consumer trust in the safety and performance of construction materials.

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