PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩400 per share · Prices as of the 2026-10-02 close
Korea Cast Iron Pipe Industries posted a sharp operating profit rebound in Q2 2026, but this comes alongside four straight years of revenue decline and a recent workplace safety incident.
Q2 2026 revenue reached KRW 111.8 billion with operating profit of KRW 7.23 billion (6.5% margin), a marked improvement from the prior quarter.
Annual revenue fell for four straight years from KRW 484.3 billion in 2022 to KRW 406.6 billion in 2025, yet 2025 net income attributable to owners actually rose year over year.
A fatal fall accident at the Busan plant in August 2026 triggered a partial work-stoppage order, spotlighting production and safety management risks.
A large shareholding report confirmed that Kumkang Kind Co., presumed to be a major shareholder, raised its stake from 8.08% to 9.17%.
Earnings are heavily dependent on government and local government budget allocations for water and sewer infrastructure, giving the company a different cycle from general steel demand.
Korea Cast Iron Pipe Industries mainly produces ductile cast iron pipes for water and sewer systems, operating two production sites in Busan and Pohang.
The Busan plant uses pig iron and scrap as raw materials while the Pohang plant uses steel coil, but because Pohang's share of total sales volume is very low, the company reports its disclosed business under a single ductile-iron-pipe segment.
Products consist of ductile iron pipes for water and sewer use plus general industrial casting parts and materials, and the business is classified as a core national infrastructure industry.
Because domestic market size is limited by government budget policy and project planning, the industry requires continuous cost reduction efforts and technology development, including overseas market expansion.
Through subsidiaries, the company has diversified into galvanized steel pipe, square pipe, and C-channel steel products for construction and agricultural structural applications, which affect consolidated results alongside the parent's pipe business.
In terms of competitive landscape, companies such as Seah Steel Holdings, Hi Steel, SK Oceanplant, and Kumkang Kind are frequently listed as comparable peers in the domestic steel/cast-iron pipe space.
Because water and sewer pipes are bulky relative to their sale price and carry heavy transport costs, direct overseas export expansion is difficult, leaving the business structurally reliant on domestic public-sector orders.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩110B | ₩4.3B | 3.9% |
| 2025Q3 | ₩101.6B | ₩3.2B | 3.1% |
| 2025Q4 | ₩103.7B | ₩2.1B | 2.1% |
| 2026Q1 | ₩92.1B | ₩2.5B | 2.7% |
| 2026Q2 | ₩111.8B | ₩7.2B | 6.5% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩484.3B | ₩14B | ₩12B | 2.9% | 3.5% | 21.1% |
| 2023 | ₩456.3B | ₩20.4B | ₩17.4B | 4.5% | 5.0% | 20.7% |
| 2024 | ₩419.4B | ₩15.4B | ₩14.3B | 3.7% | 4.1% | 20.7% |
| 2025 | ₩406.6B | ₩13.3B | ₩17B | 3.3% | 4.7% | 19.3% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-21
Annual revenue declined for four consecutive years, from KRW 484.29 billion in 2022 to KRW 456.33 billion in 2023, KRW 419.42 billion in 2024, and KRW 406.62 billion in 2025.
Operating profit rebounded from KRW 13.99 billion (2.9% margin) in 2022 to KRW 20.38 billion (4.5%) in 2023, then eased to KRW 15.45 billion (3.7%) in 2024 and KRW 13.30 billion (3.3%) in 2025.
Net income attributable to owners was KRW 12.02 billion in 2022, KRW 17.42 billion in 2023, and KRW 14.35 billion in 2024, before rising to KRW 16.97 billion in 2025 despite lower revenue and operating profit—a result driven by an increase in valuation gains on the company's investment securities holdings that lifted the bottom line.
On a quarterly basis, operating profit steadily declined from KRW 4.25 billion on revenue of KRW 109.97 billion in Q2 2025, to KRW 3.17 billion on KRW 101.60 billion in Q3, to KRW 2.13 billion on KRW 103.73 billion in Q4, and Q1 2026 showed a pronounced seasonal low with revenue of KRW 92.08 billion and operating profit of KRW 2.51 billion.
However, Q2 2026 revenue rose to KRW 111.85 billion and operating profit jumped to KRW 7.23 billion, lifting the operating margin to 6.5%, the highest of the last five quarters, while owner net income improved to KRW 5.86 billion.
Over the most recent four quarters (Q3 2025 through Q2 2026), combined owner net income totaled roughly KRW 17.04 billion, broadly in line with full-year 2025 results.
Revenue itself, however, remains below pre-2023 levels, so whether the Q2 improvement is a one-off rebound or a sustained recovery needs to be confirmed by subsequent quarterly results.
In Q2 2026, Korea's major steelmakers—POSCO Holdings, Hyundai Steel, and Dongkuk Steel—all posted improved revenue and operating profit, driven by higher sales volumes of bars/rods and plate products along with rising selling prices.
Hyundai Steel in particular stated plans to expand supply to data centers, semiconductor plants, and nuclear facilities in the second half to support profitability recovery.
However, the water and sewer pipe market in which Korea Cast Iron Pipe Industries operates follows a somewhat different cycle from general steel demand, since the key revenue driver is government and local government budget allocation for water/sewer infrastructure and aging-pipe replacement projects.
Raw material costs for pig iron, scrap, and steel coil are linked to the broader steel raw material market, so a second-half steel sector recovery could act as either a cost headwind or a relief factor.
In terms of competitive positioning, Seah Steel Holdings, Hi Steel, SK Oceanplant, and Kumkang Kind are often cited as comparable pipe-related companies, but many of these firms focus on end markets such as energy, offshore, and structural steel pipe rather than water/sewer pipe, leaving Korea Cast Iron Pipe Industries in a relatively distinct position within the domestic ductile cast iron pipe segment.
Because aging water/sewer pipe replacement is heavily influenced by local government budget policy, timing variability in public-sector orders remains a structural factor behind the company's earnings volatility.
The recovery in the Q2 2026 operating margin to 6.5% is a positive sign, but since it follows a seasonal low in Q1, subsequent quarterly trends need further confirmation heading into the second half.
The company's shareholders approved a year-end common dividend proposal for fiscal 2025 at its annual general meeting as originally proposed, continuing a shareholder-return policy maintained in recent years.
Meanwhile, a fatal fall accident at the Busan plant in August 2026 led local labor authorities to issue a partial work-stoppage order, and the timing of its lifting, the scope of resumed operations, and follow-up safety measures could affect the pace of production normalization.
On the ownership front, a large shareholding report confirmed that Kumkang Kind raised its stake from 8.08% to 9.17%, adding another variable worth monitoring in terms of major shareholder positioning.
With revenue having declined for four straight years, the scale and timing of local government water/sewer infrastructure budgets and orders remain the key variable determining the direction of future earnings.
Since subsidiary underperformance has previously been cited as a factor behind consolidated earnings swings, progress in the group's diversified business segments is also worth watching.
The current share price sits below the company's book value per share, suggesting the stock trades at a discount to net assets.
Multi-year results show operating margin peaking in 2023 before easing, then rising again in Q2 2026, hinting at a direction of profit recovery, even as revenue itself has yet to break out of its declining trend.
On the dividend front, the company has maintained a policy of steady annual cash dividends, a pattern broadly similar to steel-sector peers such as Korea Iron & Steel that also maintain high-payout policies.
That said, given the company's small market capitalization and relatively limited trading liquidity as a small-cap stock, valuation metrics can show comparatively greater volatility, which is worth keeping in mind.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-08-21
Q2 2026 operating profit rose sharply to KRW 7.23 billion from KRW 2.51 billion in the prior quarter, lifting the operating margin to 6.5%, the highest in the last five quarters. Revenue also increased sequentially to KRW 111.85 billion, showing improvement past the seasonal low. Whether this trend continues into the second half is the key point to watch.
Even in 2025 when revenue and operating profit fell, net income attributable to owners rose to KRW 16.97 billion, supported by increased valuation gains on the company's investment securities holdings. This non-operating asset buffer can help cushion results during periods of operating weakness.
A large shareholding report confirmed that Kumkang Kind increased its stake in Korea Cast Iron Pipe Industries from 8.08% to 9.17%. Such an increase by a major shareholder raises governance-related interest, and further changes in the stake are worth monitoring going forward.
Revenue declined for four consecutive years, from KRW 484.29 billion in 2022 to KRW 406.62 billion in 2025. Because the domestic water/sewer pipe market's size is structurally tied to government budget policy, a reduction in order volumes can constrain top-line growth.
The operating margin fell from 4.5% in 2023 to 3.3% in 2025, and dropped further to about 2.7% (KRW 2.51 billion on KRW 92.08 billion) in Q1 2026, reflecting notable volatility. The company itself has cited rising costs and falling selling prices as causes of the profitability decline.
In August 2026, a contractor worker fell and died while performing equipment maintenance at the Busan plant, prompting local labor authorities to issue a partial work-stoppage order. This raises the possibility of production disruption alongside industrial safety-related regulatory and legal risk.
Fluctuations in key raw material prices such as pig iron, scrap, and steel coil directly affect costs. The company has stated that rising costs combined with falling selling prices worsened profitability year over year, underscoring the significant impact of raw material market volatility on margins.
A substantial portion of revenue depends on government and local government water/sewer infrastructure budgets, so order volumes can shrink with changes in budget policy or project timing—an industry characteristic the company itself has acknowledged.
The fatal fall accident at the Busan plant in August 2026 and the resulting partial work-stoppage order could lead to further regulatory risk depending on future accident-prevention measures and the outcome of follow-up investigations by relevant authorities.
Check when the partial work-stoppage order at the Busan plant is lifted, the scope of resumed operations, and any follow-up measures from local labor authorities.
Around the statutory Q3 report filing deadline, check whether Q3 revenue and operating profit sustain the improvement seen in Q2.
Monitor large shareholding report disclosures for further changes in the stakes of major shareholders such as Kumkang Kind.
Check the scale of aging water/sewer infrastructure repair budgets as the government finalizes its 2027 budget.
Korea Cast Iron Pipe Industries is a leading domestic pipe materials maker centered on ductile cast iron pipes for water and sewer systems, with earnings heavily dependent on public-sector order budgets from central and local governments.
Revenue has fallen for four consecutive years since 2022, yet 2025 net income attributable to owners actually rose, helped by increased valuation gains on investment securities, and Q2 2026 saw a rebound with the operating margin recovering to 6.5%.
Whether this rebound reflects a recovery from the Q1 seasonal low or a sustained trend improvement remains unclear.
The fatal fall accident and partial work-stoppage order at the Busan plant in August 2026 have highlighted new safety-management risk, while Kumkang Kind's stake increase adds another governance-related variable.
Raw material prices, public budget policy, and follow-up safety measures remain the three key factors to watch in determining future earnings and business stability. Investors should confirm the upcoming Q3 results and the resolution of the safety order before forming a view.
Report written 2026-09-05 · Data as of 2026-09-04
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