Key Takeaways
- China's welded steel pipe output declined in July as mills cut production amid losses and policy-driven sintering curbs in Tangshan.
- Galvanized pipe average price fell to 4,129 CNY/ton (4"×3.5mm); welded pipe average at 3,508 CNY/ton — both under downward pressure.
- Tangshan mandated 20% blast furnace and 40% sintering shutdowns, tightening upstream strip supply for pipe manufacturers.
- High-pressure pipe fitting technology advancing: new 12MPa-class connections enabling extreme-condition mining applications.
- For overseas buyers: lower domestic steel prices may improve export competitiveness in Q3 2026.
1. Welded Pipe Market: Prices Soft, Trading Volumes Slump
On July 30, China's welded and galvanized pipe markets saw localized price weakness. The Lange Steel monitoring data shows the national average for 4"×3.5mm galvanized pipe at 4,129 CNY/ton (down 3 CNY/day), and welded pipe at 3,508 CNY/ton (down 4 CNY/day).
Regional price ranges for 4"×3.5mm galvanized pipe:
- East China: 3,950–5,100 CNY/ton
- Central-South China: 3,950–5,000 CNY/ton
- North China: 3,900–4,400 CNY/ton
- Northeast China: 4,000–4,500 CNY/ton
Upstream hot-rolled strip steel prices dropped 10–20 CNY/ton on July 30, with some resources seeing additional mid-session cuts. Pipe manufacturers followed with flexible price adjustments, but trading volumes fell sharply — buyers held back as futures broke below key support levels, with the rebar October contract hitting a 4-month low.
2. July Welded Pipe Production: Small Decline as Mills Adjust
According to the National Bureau of Statistics, China produced 552.2 million tons of welded steel pipe in June 2026, up 3.1% month-on-month but down 1.7% year-on-year. Cumulative H1 2026 output reached 2,842.1 million tons, essentially flat year-on-year (+0.1%).
For July, production has shifted back to demand-based scheduling. Key factors driving the reduction:
- Cost squeeze: Multiple rounds of coke price increases compressed mill margins, pushing some producers into losses.
- Policy-driven curbs: Tangshan mandated 20% blast furnace shutdowns and 40% sintering/kiln curbs starting mid-July, reducing upstream hot-rolled strip supply.
- "Anti-price-war" initiative: The China Iron & Steel Association's newly established circulation branch and 40+ local trade associations launched an "anti-involution" campaign, encouraging mills to align output with actual demand rather than overproduce.
While June production increased, the July trend reverses as mills revert to order-based production schedules, with welded pipe output expected to show a modest month-on-month decline.
3. Tangshan Supply Cuts: Impact on Pipe Fitting Raw Materials
Tangshan is the epicenter of China's steel pipe fitting supply chain. The region's mandated production curbs have significant implications:
- Strip supply tightening: Hot-rolled strip (the primary input for welded pipe and pipe fittings) saw weekly supply reductions of approximately 10%. Strip-using mills adjusted flexibly based on order books and profitability.
- Cost transmission: Despite raw material cost relief from falling iron ore and coke prices, the supply constraint prevented a proportional decline in strip prices, keeping pipe manufacturing costs elevated relative to finished pipe selling prices.
- Inventory dynamics: Lange Steel's survey of 11 major pipe mills in Tianjin-Tangshan-Handan showed continued inventory accumulation as sales slowed, reaching the highest levels in recent weeks.
For pipe fitting buyers, this means: while headline steel prices are falling, the strip-to-finished-pipe margin remains under pressure, and mills are not aggressively discounting — they are cutting output instead.
4. Technology Spotlight: High-Pressure Pipe Fitting Innovations
Domestic pipe fitting manufacturers are advancing high-pressure connection technology, particularly for demanding mining and industrial applications. A notable development from Donghong Co. showcases three core solutions:
High-Pressure Threaded Connections (10.0 MPa)
Designed for high-pressure wear-resistant pipes and steel-wire-reinforced PE composite pipes. Features O-ring axial sealing technology for reliable, quick installation. Maximum pressure rating reaches 10.0 MPa, suitable for mine water supply, grouting, and tailings backfill.
Integrated Flange Connections (4.0–10.0 MPa)
Uses one-piece flange flanging technology to lock the steel wire reinforcement layer, combined with a high-pressure retaining ring structure. The flange end face incorporates enhanced new materials, significantly improving hardness and wear resistance to prevent high-pressure leakage.
Novel High-Pressure Connections (12.0 MPa Verified)
Designed for DN110–DN250mm steel-wire mesh skeleton PE composite pipes. Successfully tested at 60°C, 1.2×PN for over 300 hours. No metal inner core required — reducing material and labor costs while maintaining pressure performance. Already exported to overseas markets.
5. What This Means for International Buyers
- Pricing outlook: Domestic welded/galvanized pipe prices are soft but not collapsing. Mills are choosing output cuts over aggressive price cuts, which may limit how far prices fall.
- Export opportunity: Weaker domestic demand and lower raw material costs could improve the price competitiveness of Chinese pipe fittings and steel pipes in international markets during Q3.
- Quality advancement: High-pressure fitting technology continues to advance, with 12 MPa-class products now available and export-proven.
- Procurement strategy: For projects requiring welded pipe, galvanized pipe, or carbon steel pipe fittings (elbows, tees, reducers, flanges), the current market presents a window to negotiate favorable terms with mills seeking to fill production slots.
Source & Disclaimer
Market data sourced from Lange Steel Network (兰格钢铁网) and National Bureau of Statistics. Prices are indicative and subject to change. This report is for informational purposes only and does not constitute procurement advice.
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