IS 1785 BIS Certification
2 products must be certified by BIS against IS 1785 and carry the ISI mark. Find your product and its exact part below.
Products under IS 1785
| Product | Part / edition | Scheme |
|---|---|---|
| Plain Hard-drawn Steel Wire for Pre-stressed Concrete: Part 1 Cold Drawn Stress-relieved Wire | IS 1785 (Part 1) : 1983 | ISI mark |
| Plain Hard-drawn Steel Wire for Pre-stressed Concrete Part 2: as Drawn Wire | IS 1785 (Part 2) : 1983 | ISI mark |
Parts of IS 1785 at a glance
| Part | Current edition | Amendments | Operative ISI licences | Min. marking fee (large unit) |
|---|---|---|---|---|
| IS 1785 (Part 1) : 1983 Plain Hard-drawn Steel Wire for Pre-stressed Concrete: Part 1 Cold Drawn Stress-relieved Wire | IS 1785 (Part 1):1983 | 4 | 5 | ₹76,000 |
| IS 1785 (Part 2) : 1983 Plain Hard-drawn Steel Wire for Pre-stressed Concrete Part 2: as Drawn Wire | IS 1785 (Part 2):1983 | 4 | 10 | ₹50,000 |
Details by part
IS 1785 (Part 1) : 1983 Plain Hard-drawn Steel Wire for Pre-stressed Concrete: Part 1 Cold Drawn Stress-relieved Wire
Editions and amendments of IS 1785 (Part 1) : 1983
| Edition | Published | Status |
|---|---|---|
| IS 1785 (Part 1):1983 Specification for Plain Hard - Drawn Steel Wire for Prestressed Concrete: Part 1 Cold Drawn Stress - Relieved Wire (Second Revision) | 30 Jun 1983 | Current, next review 31 Jan 2028 |
Amendments:First Amendment (1989), Second Amendment (1993), Third Amendment (1997), Fourth Amendment (2007). Test reports must reflect the standard with its amendments.
Marking fee for IS 1785 (Part 1) : 1983
BIS charges an annual minimum marking fee for the ISI mark under IS 1785 (Part 1) : 1983, set by unit size, plus a per-unit rate once production passes the minimum:
| Unit size | Minimum marking fee (per year) |
|---|---|
| Large | ₹76,000 |
| Medium | ₹61,000 |
| Small | ₹38,000 |
| Micro | ₹15,200 |
Unit rate: ₹21 per ton. Source: BIS marking fee schedule for Scheme-I products, September 2026.
Sampling and key tests for IS 1785 (Part 1) : 1983
From the BIS product manual for IS 1785 (Part 1) : 1983, which BIS officers and applicants follow for certification:
Raw material requirements:
- Steel – Clause 3 of IS 1785 (Part 1) Wire of each size (nominal diameter) shall be tested to
Tests BIS can carry out in a day during factory inspection:
- All tests except Relaxation test
The full type test covers every clause of IS 1785 (Part 1) : 1983; the list above is what can be checked on site.
ISI licences under IS 1785 (Part 1) : 1983
BIS records 5 operative licences (5 including deferred, cancelled or under stop marking). Most licensed factories are in Dadra & Nagar Haveli (1), Karnataka (1), West Bengal (1), Jharkhand (1), Madhya Pradesh (1).
IS 1785 (Part 2) : 1983 Plain Hard-drawn Steel Wire for Pre-stressed Concrete Part 2: as Drawn Wire
Editions and amendments of IS 1785 (Part 2) : 1983
| Edition | Published | Status |
|---|---|---|
| IS 1785 (Part 2):1983 Specification for Plain Hard Drawn Steel Wire for Prestressed Concrete: Part 2 As-Drawn Wire (First Revision) | 30 Jun 1983 | Current, next review 31 Jan 2028 |
Amendments:First Amendment (1989), Second Amendment (1993), Third Amendment (1997), Fourth Amendment (2004). Test reports must reflect the standard with its amendments.
Marking fee for IS 1785 (Part 2) : 1983
BIS charges an annual minimum marking fee for the ISI mark under IS 1785 (Part 2) : 1983, set by unit size, plus a per-unit rate once production passes the minimum:
| Unit size | Minimum marking fee (per year) |
|---|---|
| Large | ₹50,000 |
| Medium | ₹40,000 |
| Small | ₹25,000 |
| Micro | ₹10,000 |
Unit rate: ₹19 per ton. Source: BIS marking fee schedule for Scheme-I products, September 2026.
Sampling and key tests for IS 1785 (Part 2) : 1983
From the BIS product manual for IS 1785 (Part 2) : 1983, which BIS officers and applicants follow for certification:
Raw material requirements:
- Steel – Clause 3 of IS 1785 (Part 1) Wire of each size (nominal diameter) shall be tested to
Tests BIS can carry out in a day during factory inspection:
- All tests
The full type test covers every clause of IS 1785 (Part 2) : 1983; the list above is what can be checked on site.
ISI licences under IS 1785 (Part 2) : 1983
BIS records 10 operative licences (10 including deferred, cancelled or under stop marking). Most licensed factories are in Maharashtra (4), Dadra & Nagar Haveli (1), Andhra Pradesh (1), Karnataka (1), West Bengal (1).
Notifying orders
- Steel and Steel Products (Quality Control) Order, 2020, S.O. 756(E), dated 14-02-2020 · PDF
How to get an ISI mark licence under IS 1785
The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.
- Confirm the exact Indian Standard and the varieties to cover
- Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
- Apply on Manak Online with factory, quality-control and test documents
- BIS factory inspection and sample verification
- Grant of licence, then marking with the ISI mark and CM/L number
Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).
Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.
Frequently asked questions
Is BIS certification mandatory for products under IS 1785?
Yes, for the 2 products listed on this page. Each is notified by a government order and needs a valid BIS licence (ISI mark) before it can be made, imported or sold in India. Other products that merely use IS 1785 are not automatically covered.
Which part of IS 1785 applies to my product?
IS 1785 has 2 parts or editions referenced in BIS orders. Find your product in the table above to see its exact part. Where a product is covered by more than one standard, all of them apply.
How long does ISI mark under IS 1785 take?
BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Other standards in Steel and Iron Products
- IS 277 Galvanized Steel Sheets ( Plain and Corrugated)
- IS 280 Mild Steel Wire for General Engineering Purposes
- IS 412 Expanded Metal Steel Sheets for General Purposes
- IS 432 2 products
- IS 513 2 products
- IS 648 Cold Rolled Non-oriented Electrical Steel Sheets and Strip-fully Processed Type (CRNO)
- IS 963 Chrome Molybdenum Steel Bars and Rods for Aircraft Purposes
- IS 1029 Hot Rolled Steel Strip (bailing)
- IS 1079 Hot Rolled Carbon Steel Sheet, Plate and Strip —
- IS 1110 Ferrosilicon
Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.
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