Sunfly's R&D priority has shifted to stainless steel components, emphasizing enhanced durability and material cost-efficiency
Mar 27 2026
Stainless Steel Heating Manifold
Major upgrade completed in Oct 2025
Our redesigned stainless steel manifold achieves a 30% cost reduction while effectively resolving common industry pain points.
We have optimized the internal tolerances to eliminate valve core clogging and leakage caused by metal powder.
Furthermore, our new material treatment prevents galling and friction-locking between high-hardness stainless steel components, ensuring long-term operational reliability.
Stainless Steel Ball Valve
March 2026 Innovation
Our newly optimized stainless steel ball valve series achieves an unprecedented 40% cost reduction while delivering superior mechanical integrity.
By refining the material grain structure, we have significantly enhanced Tensile Strength (MPa), Elastic Modulus (GPa), and Brinell Hardness.
This ensures maximum pressure resistance and durability in demanding hydronic systems without the traditional cost premium.
Copper Price Trends
| Copper shows a clear upward trend | 304 Stainless Steel peaked and stabilized |
| Increased from ~6,000 USD/ton (2020) | Peak in 2022 (~4,500 USD/ton) |
| Reached ~12,500 USD/ton (2026) | Stabilized around 2,800–3,200 USD/ton |
| Total increase: ~+100% | No sustained upward trend |
Price gap continues to widen
2020: Copper ≈ 3× Stainless Steel
2026: Copper ≈ 4× Stainless Steel
Copper Price Effect by
→ Driven by EV, renewable energy, infrastructure
→ Long-term supply shortage
304 Stainless Steel Effect by
→ Driven by nickel price
→ Stable supply, lower volatility
Copper Market Volatility
| Year | Copper Price($/mt) | Brass Manifold Share | Stainless Steel(SS) Share | Conclusion |
| 2020 | ~$6,181 | 65% | 25% | Brass Dominance: Cost advantage of SS not yet significant. |
| 2021 | ~$9,315 | 62% | 29% | Premium Surge: Copper hits historic highs; SS begins to scale. |
| 2022 | ~$8,814 | 60% | 32% | Market Adjustment: SS penetration increases across European markets. |
| 2023 | $8,485 | 57% | 35% | Transitio Phase: Wholesalers actively seek low-cost alternatives. |
| 2024 | $9,142 | 51% | 42% | Market Inversion: SS shares surge in APAC and Europe |
| 2025 | $9,946 | 46% | 47% | Equilibrium Shift: Price inversion forces wholesalers to pivot. |
| 2026 | $13,088 | 42% | 51% | SS Leadership: Skyrocketing copper prices disrupt brass component trade. |
Regional Market Performance & Differentiation Trends
While Stainless Steel (SS) is overtaking Brass on a global scale, adoption rates vary significantly across different regions:
Germany & Northern Europe
The Technical Pioneers As early adopters, the German market saw SS manifold shares exceed 50% by 2015. By 2026, this penetration is projected to surpass 70%.
North American Market
Persistent Path Dependency Traditional influences remain formidable. Despite record-high copper prices, the North American residential sector maintains a strong path dependency on brass components (exceeding 70% market share). Currently, SS penetration is primarily concentrated in potable water applications requiring health certifications and high-end industrial refrigeration.
Performance Analysis
Material Efficiency & Strength : Stainless steel requires a wall thickness of only 1.5mm, whereas brass necessitates 3mm to achieve equivalent structural integrity and hardness. This optimization not only reduces overall weight by 50% but also typically lowers the wholesale procurement unit price of stainless steel products by approximately 15% compared to brass.
Flow Rate Superiority: Due to the thinner wall profile, the internal diameter of a Stainless Steel Underfloor Heating Manifold is significantly larger. This architectural advantage results in a 23% higher flow rate compared to traditional brass manifolds, enhancing overall system efficiency.
Policy Analysis & Energy Transition Trends
EU Lead-Free Regulations
With the implementation of new EU safety regulations in 2026, the manufacturing costs for processing lead-free brass are projected to rise significantly. This shift reinforces the transition toward materials that are inherently compliant and cost-effective.
The Move Toward Low-Temperature Hydronics: The adoption of Low-Temperature Heating is a core strategy in the HVAC industry's response to the global energy transition.
Heat Pump Integration & Technical Evolution
As Heat Pumps increasingly replace traditional gas boilers, technical standards for manifolds are shifting from "Pressure-Resistant" toward "High-Discharge & Low-Resistance" designs. To optimize performance in heat pump systems (operating at 35°C–50°C), manifolds are rapidly evolving into high-flow, low-resistance stainless steel profiles.
Post time: Apr-01-2026