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316H is a high-carbon variant of the widely used 316 austenitic stainless steel, engineered to deliver enhanced high-temperature strength and corrosion resistance in demanding industrial applications. Its chemical composition and mechanical properties make it a preferred choice in environments where both heat resistance and durability are critical.
Chemical Composition
316H retains the core alloying elements of 316 but with a higher carbon content (0.04–0.10%, compared to 316’s maximum of 0.08%), which strengthens its grain structure at elevated temperatures. Key components include:
Chromium (16.0–18.0%): Enhances corrosion resistance by forming a protective oxide layer.
Nickel (10.0–14.0%): Stabilizes the austenitic structure, improving ductility and toughness.
Molybdenum (2.0–3.0%): Boosts resistance to pitting and crevice corrosion, especially in chloride-rich environments (e.g., seawater, chemical processing).
Elongation: 40% (minimum), ensuring good formability.
Temperature Resistance: Performs reliably up to 800°C (1472°F), making it suitable for high-heat applications like furnace components or exhaust systems.
Key Advantages
Superior High-Temperature Strength: The higher carbon content resists creep (slow deformation under stress) at elevated temperatures, outperforming standard 316 in long-term heat exposure.
Excellent Corrosion Resistance: Molybdenum addition provides resistance to chloride-induced corrosion, making it ideal for marine, chemical, and offshore environments.
Weldability: Compatible with common welding techniques (e.g., TIG, MIG), though post-weld annealing may be required for maximum corrosion resistance in critical applications.
Typical Applications
Petrochemical and chemical processing equipment (reactors, pipelines).
Power generation systems (boiler components, turbine parts).
High-temperature industrial furnaces and heat exchangers.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
