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TP316H is a high-temperature grade of stainless steel, specifically formulated for use in boiler, superheater, and heat exchanger tubes. The "H" in TP316H denotes a higher carbon content compared to standard TP316, which enhances the material's strength at elevated temperatures. This makes it suitable for high-temperature applications where TP316 or TP316L may not provide sufficient strength.
TP316H maintains good corrosion resistance in a variety of environments, especially those containing chlorides and acidic substances. The addition of molybdenum enhances its resistance to pitting and crevice corrosion in chloride environments, which is beneficial in high-temperature, corrosive applications.
Chemical Composition
Chromium (Cr): 16 - 18%
Nickel (Ni): 10 - 14%
Molybdenum (Mo): 2 - 3%
Carbon (C): 0.04 - 0.10% (higher than 316 or 316L for improved high-temperature strength)
Manganese (Mn): 2% max
Silicon (Si): 1% max
Phosphorus (P): 0.045% max
Sulfur (S): 0.03% max
Iron (Fe): Balance
Mechanical Properties
Grade
Tensile Str (MPa) min
Yield Str 0.2% Proof (MPa) min
Elong (% in 50mm) min
Hardness Rockwell B (HR B) max
Brinell (HB) max
316H
515
205
40
95
217
Physical Properties
Grade
Density (kg/m3)
Elastic Modulus (GPa)
Mean Co-eff of Thermal Expansion (µm/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat 0-100°C (J/kg.K)
Elec Resistivity (nΩ.m)
316H
8000
193
15.9
16.3
500
740
Applications
High-Temperature and High-Pressure Environments such as boilers, heat exchangers, superheater tubes, and furnace parts where elevated temperature strength is required
Petrochemical and Chemical Processing where resistance to acidic and chloride-containing environments is needed along with high-temperature capabilities
Nuclear Power Plants which require high-temperature performance and resistance to corrosive cooling agents
Oil and Gas Industry where equipment is subject to corrosive substances, high temperatures, and high pressures
Heat Exchangers which handle corrosive fluids at elevated temperatures
Furnace Parts and Equipment used in incinerators, burners, and heating elements that operate at elevated temperatures
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1990
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. The factories alre... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. The factories alre...