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{"title":"Petroleum-Aerospace Alloy Inconel 718 Seamless Pipe, High-performance Nickel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/45\/04\/3401cc464ac4f66c59acb7204688-200x200-1\/petroleum_aerospace_alloy_inconel_718_seamless_pipe_2c_high_performance_nickel_alloy_seamless_pipe.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Nickel Molybdenum Chromium Alloy Pipe Hastelloy C276 N10276 Cold Drawn Seamless","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9c\/40\/2a9d5275ab734d41bda2dd509e2c-200x200-1\/nickel_molybdenum_chromium_alloy_pipe_hastelloy_c276_n10276_cold_drawn_seamless_pipe.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"High Temperature Rectangular Nickel Alloy Tubes Customized Size For Industrial","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b0\/ed\/b860f21d73ba71875ebc24b5b0fc-200x200-1\/high_temperature_rectangular_nickel_alloy_tubes_customized_size_for_industrial.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ASTM, ASME, DIN, EN","Place of Origin":"China"}}
{"title":"Hot Rolling Corrosion Resistant Nickel Alloy Square Tube Pipe Inconel Incoloy","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2c\/06\/b75221b867d4c83f505ddde5b075-200x200-1\/hot_rolling_corrosion_resistant_nickel_alloy_square_tube_pipe_inconel_incoloy_monel.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Seamless Nickel Alloy Pipe Hastelloy C-4 N06455\/W.Nr.2.4610 NiMo16Cr16Ti","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/fa\/a3\/5458be9d384e0e170c9e85127573-200x200-1\/seamless_nickel_alloy_pipe_hastelloy_c_4_n06455_2fw_nr_2_4610_nimo16cr16ti_seamless_pipe.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Hastelloy B-3 N10675\/W.Nr.2.4600 Seamless Alloy Tube For Power Generation","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a1\/22\/45d6cbc2be93154e43f9a160c440-200x200-1\/hastelloy_b_3_n10675_2fw_nr_2_4600_seamless_alloy_tube_for_power_generation.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
High-Performance Nickel Alloy Pipes for Your Industrial Requirements
HC-276, commonly referred to as Hastelloy C-276, is a nickel-based superalloy celebrated for its exceptional corrosion resistance and robust performance across extreme environments. Below is a structured and detailed overview:
HC-276 is part of the Hastelloy family, a group of nickel-molybdenum-chromium alloys engineered to withstand aggressive chemical, high-temperature, and high-pressure conditions. Its unique composition and microstructure make it a preferred material in industries where corrosion resistance and mechanical stability are critical.
Chemical Composition
Ni
Cr
Fe
Co
Mo
W
P
Remainder
14.0-16.5
4.0-7.0
2.5max
15.0-17.0
3.0-4.5
0.04max
Si
Mn
C
c
S
0.08max
1.0max
0.01max
0.35max
0.03max
HC-276’s standout feature is its resistance to a broad range of corrosive environments:
Acids: Withstands strong reducing acids (e.g., sulfuric, hydrochloric, hydrofluoric) and mixed acids (e.g., sulfuric-hydrochloric blends), even at high concentrations and temperatures. For example, in 20% boiling hydrochloric acid, its annual corrosion rate is ≤0.1 mm/year, far outperforming 316L stainless steel.
Chlorides: Resists pitting and crevice corrosion in chloride-rich solutions (e.g., seawater, brines) due to a high Pitting Resistance Equivalent Number (PREN ≈ 76).
Alkalis: Performs well in concentrated alkaline solutions (e.g., sodium hydroxide) at moderate temperatures.
Oxidizing Environments: Chromium content ensures stability in oxidizing media (e.g., nitric acid, hypochlorites) and high-temperature oxidation.
Stress Corrosion Cracking (SCC): Shows minimal susceptibility to SCC in chloride or sulfide environments, a critical advantage over many stainless steels.
Fabrication and Processing
HC-276 can be fabricated using standard metalworking techniques, though its high strength requires careful handling:
Forming: Cold working (e.g., bending, rolling) is feasible but may require intermediate annealing to restore ductility. Hot working is performed at 1,040–1,175°C (1,900–2,150°F).
Welding: Can be welded using processes like TIG (GTAW) or MIG (GMAW) with matching filler metals (e.g., ERNiCrMo-4). Post-weld annealing is not required due to low carbon content, simplifying processing.
Machining: Machinability is moderate; tools with high-speed steel or carbide inserts are recommended, with coolants to prevent overheating.
Applications
Due to its versatile performance, HC-276 is widely used in industries requiring corrosion and heat resistance:
Chemical Processing: Reaction vessels, heat exchangers, and pipelines handling acids, solvents, and reactive chemicals.
Oil & Gas: Downhole equipment, subsea pipelines, and offshore platforms exposed to brines, sulfides, and high pressures.
Environmental Engineering: Flue gas desulfurization systems (FGD) and wastewater treatment equipment.
Pharmaceuticals: Cleanroom components and reactor systems requiring high purity and resistance to sanitizing agents.
Aerospace & Energy: Components in gas turbines and industrial furnaces operating at elevated temperatures.
Standards and Specifications
HC-276 is governed by international standards, including:
ASTM B575 (sheet, plate, strip)
ASTM B574 (bars, rods, forgings)
ASME Section VIII (pressure vessel code)
ISO 15156 (for oilfield equipment in sour service).
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc...
