
Karbonsteel Engineering IPO description – Karbonsteel Engineering is a leading Indian structural engineering and fabrication company, specializing in the design, manufacturing, and assembly of heavy and precision steel structures across diverse industrial and infrastructure sectors. With two ISO-certified manufacturing facilities in Umbergaon, Gujarat, and Khopoli, Maharashtra, a combined installed capacity of 36,000 MT per annum, the company serves sectors including steel plants, oil & gas, refineries, chemical plants, and high-speed rail.
The company operations are divided into four verticals: Heavy Steel Fabricated Structures contributed 68.85% to revenue in FY25, followed by Precision Fabricated Structures at 27%, Steel Bridge Structures at 3.34%, and Pre-Engineered Buildings at 0.74%. As of 31 July 2025, Karbonsteel had an order book of INR 329.82 crore, comprising 25 active work orders.
The company’s client base includes marquee names, like Arcelor Mittal, Nippon Steel India, and Tata Projects. Backed by 381 permanent employees and 105 contract workers, Karbonsteel is poised to capitalize on India’s infrastructure growth, aligned with initiatives like “Make in India” and the National Steel Policy 2017.

Promoters of Karbonsteel Engineering – Shrenik Kirit Shah and Mittal Shrenik Shah
Table of Contents
Karbonsteel Engineering IPO Details
| Karbonsteel Engineering IPO Dates | 9 – 11 September 2025 |
| Karbonsteel Engineering Issue Price | INR 151 – 159 per share |
| Fresh Issue | 30,39,600 shares (INR 45.90 – 48.33 crore) |
| Offer For Sale | 6,90,000 shares (INR 10.42 – 10.97 crore) |
| Total IPO Size | 37,29,600 shares (INR 56.31 – 59.30 crore) |
| Minimum Bid | 1,600 shares (INR 2,54,400) |
| Lot Size | 800 shares (INR 1,27,200) |
| Face Value | INR 10 per share |
| Individual Allocation | 35% |
| Listing On | BSE SME |
Karbonsteel Engineering Financial Performance
| FY 2023 | FY 2024 | FY 2025 | |
| Revenue | 155.58 | 218.34 | 273.05 |
| Expenses | 149.08 | 206.08 | 254.80 |
| Net income | 5.11 | 9.42 | 14.16 |
Karbonsteel Engineering Offer News
- Karbonsteel Engineering RHP
- Karbonsteel Engineering Draft Prospectus
- ASBA IPO Forms
- Live IPO Subscription Status
- Highest SME IPO Subscription in 2025
Karbonsteel Engineering Valuations & Margins
| FY 2023 | FY 2024 | FY 2025 | |
| EPS | 5.11 | 9.42 | 12.78 |
| PE ratio | – | – | 11.82 – 12.44 |
| RONW (%) | 17.77 | 21.52 | 23.45 |
| NAV | 28.76 | 43.78 | 54.47 |
| ROCE (%) | 19.05 | 22.93 | 24.63 |
| EBITDA (%) | 10.43 | 11.81 | 13.41 |
| Debt/Equity | 1.69 | 1.37 | 1.30 |
Karbonsteel Engineering IPO GMP Today
| Date | Consolidated IPO GMP | Kostak | Subject to Sauda |
| 15 September 2025 | 21 | – | 13,000 |
| 13 September 2025 | 21 | – | 13,000 |
| 12 September 2025 | 21 | – | 13,000 |
| 11 September 2025 | 24 | – | 14,700 |
| 10 September 2025 | 20 | – | 12,000 |
| 9 September 2025 | 18 | – | 11,000 |
| 8 September 2025 | 18 | – | 11,000 |
| 6 September 2025 | 22 | – | 13,000 |
| 5 September 2025 | 17 | – | 10,000 |
| 4 September 2025 | 17 | – | 10,000 |
| 3 September 2025 | 20 | – | 11,500 |
| 2 September 2025 | 22 | – | 13,500 |
| 1 September 2025 | 15 | – | 9,500 |
Karbonsteel Engineering IPO Subscription – Live Updates
| Category | QIB | NII | Individual | Total |
|---|---|---|---|---|
| Shares Offered | 7,08,000 | 5,32,800 | 12,40,000 | 24,80,800 |
| 11 Sep 2025 | 121.61 | 86.34 | 46.86 | 76.67 |
| 10 Sep 2025 | 4.11 | 5.20 | 2.61 | 3.60 |
| 9 Sep 2025 | 0.28 | 2.42 | 0.69 | 0.94 |
The market maker reservation portion of 1,88,000 shares and the anchor investor portion of 10,60,800 shares are not included in the above calculations.
Karbonsteel Engineering IPO Allotment Status
Karbonsteel Engineering IPO allotment status is now available on Maashitla Service’s website. Click on this link to get the allotment status.
Karbonsteel Engineering IPO Dates & Listing Performance
| IPO Opening Date | 9 September 2025 |
| IPO Closing Date | 11 September 2025 |
| Finalization of Basis of Allotment | 12 September 2025 |
| Initiation of refunds | 15 September 2025 |
| Transfer of shares to demat accounts | 15 September 2025 |
| IPO Listing Date | 16 September 2025 |
| Opening Price on BSE SME | INR 185.10 per share (up 16.42%) |
| Closing Price on BSE SME | INR 195.35 per share (up 22.86%) |
Karbonsteel Engineering Offer Lead Manager
SEREN CAPITAL PRIVATE LIMITED
Office no. 601 to 605, Raylon Arcade, Kondivita,
J.B. Nagar, Mumbai, Maharashtra, India, 400059
Phone: +91-22-46011058
Email: [email protected]
Website: www.serencapital.in
Karbonsteel Engineering Offer Registrar
MAASHITLA SECURITIES PRIVATE LIMITED
451, Krishna Apra Business Square, Netaji Subhash
Place, Pitampura, Delhi – 110034, India
Telephone: +91-11 4758 1432
Email: [email protected]
Website: [email protected]
Karbonsteel Engineering Contact Details
KARBONSTEEL ENGINEERING LIMITED
B-8; Ratnadeep Cosmopolitan Chs Ltd,
140-141 S.V. Road, Nr. Shoppers Stop,
Andheri (W), Mumbai, Maharashtra – 400058
Phone: +91-22-61872821
E-mail: [email protected]
Website: www.karbonsteel.com
IPO FAQs
What is the Karbonsteel Engineering offer size?
Karbonsteel Engineering offer size is INR 56.31 – 59.30 crores.
What is the Karbonsteel Engineering offer price band?
Karbonsteel Engineering public offer price is INR 151 – 159 per share.
What is the lot size of the Karbonsteel Engineering IPO?
Karbonsteel Engineering offer lot size is 800 shares.
What is Karbonsteel Engineering IPO GMP today?
Karbonsteel Engineering IPO GMP today is INR 21 per share.
What is the Karbonsteel Engineering kostak rate today?
Karbonsteel Engineering kostak rate today is INR NA per application.
What is Karbonsteel Engineering IPO Subject to Sauda rate today?
Karbonsteel Engineering Subject to Sauda rate today is INR 13,000 per application.




































