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Premium Hastelloy C276 Bright Round Bar with Heat Resistance and Corrosion Resistant Properties for Custom Cutting in Oil & Gas

Certificação	ISO, ASTM, GB, EN
Quantidade de ordem mínima	20KG

Detalhes do produto

Número do modelo	Capítulo 276	Forma	Redondo
Técnica	Laminado a quente	Tratamento de superfície	Brilhante
Diâmetro	5 a 300 mm	Comprimento	PERSONALIZADO
Faixa de temperatura	-200°C a 400°C	Conteúdo de níquel	57%
Teor de Molibdênio	15,0-17,0%	índice do cromo	14,5-16,5%
Índice do tungstênio	3,0-4,5%	Teor de ferro	4,0-7,0%
Conteúdo de carbono	≤0,01%	Resistência à tracção	842-1050 MPa
Força de rendimento	455 MPa
Destacar	Heat Resistance Hastelloy C276 Bright Round Bar , Corrosion Resistant Nickel Alloy Round Bar , Custom Cutting Super Alloy Bar

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Descrição de produto

Premium Hastelloy C276 Bright Round Bar

High-performance heat resistance bright bar specifically engineered for oil & gas and pharmaceutical equipment applications.

Product Specifications

Products Name	Hastelloy C276 Bright Bar
Diameter	5 - 350mm
Length	Custom cutting any length as requested
Surface	Bright, Black
Brand	DELTA
Service	Cutting, Polishing
MOQ	2 Kgs
Other Types	Bar, strip, coil, pipe, sheet, plate, wire, etc.
Packing	Wooden box
Loading Port	Shanghai Port
Price Term	EXW, FOB, CIF, CFR
Delivery Time	Within 12 days

Material Description

In the oil & gas and pharmaceutical industries, equipment reliability in harsh environments—from sour gas wells to corrosive drug synthesis reactors—depends entirely on material performance. The Hastelloy C276 bright round bar emerges as a premium solution, combining exceptional heat resistance, corrosion resilience, and precise machining quality to meet the most stringent industrial demands. As a nickel-chromium-molybdenum-tungsten alloy, it is globally recognized as a universal corrosion-resistant material, while its bright surface finish elevates hygiene and durability for critical applications.

Core Characteristics

The superiority of Hastelloy C276 bright round bar stems from its unique alloy composition and precision processing. Unlike standard alloy bars, its bright polished surface eliminates surface defects, reduces corrosion initiation points, and meets the pharmaceutical industry's strict hygiene standards by preventing residue buildup.

Key Performance Advantages

Dual-environment corrosion resistance: Excels in both oxidizing and reducing media, withstanding chloride-induced pitting, crevice corrosion, and stress corrosion cracking
High-temperature stability: Maintains mechanical integrity in operating temperatures ranging from -200°C to 400°C, with short-term resistance up to 1038°C
Machinability and weldability: The bright bar format allows precise turning and drilling, while the alloy's low carbon content minimizes carbide precipitation during welding—preserving corrosion resistance in as-welded structures

Chemical Composition

Hastelloy C276's properties are defined by its tightly controlled elemental composition, with nickel as the base and strategic additions of molybdenum, chromium, and tungsten. The following table details its standard composition (UNS N10276 specification):

Element	Minimum Content (%)	Maximum Content (%)	Function
Nickel (Ni)	Balance (~57%)	-	Provides base alloy stability and resistance to reducing environments
Molybdenum (Mo)	15.0	17.0	Enhances resistance to pitting and crevice corrosion
Chromium (Cr)	14.5	16.5	Delivers oxidation resistance and stability in acidic media
Tungsten (W)	3.0	4.5	Boosts overall corrosion resistance and high-temperature strength
Iron (Fe)	4.0	7.0	Improves alloy workability and reduces cost
Cobalt (Co)	-	2.5	Limits potential embrittlement in high-temperature service
Carbon (C)	-	0.01	Prevents carbide formation and maintains weldability
Silicon (Si)	-	0.08	Minimizes oxidation during processing
Manganese (Mn)	-	1.0	Enhances hot working properties
Vanadium (V)	-	0.35	Refines grain structure for improved strength
Phosphorus (P)	-	0.04	Controlled to avoid brittleness
Sulfur (S)	-	0.03	Restricted to prevent corrosion and machining defects

Mechanical Properties

The mechanical performance of Hastelloy C276 bright round bar varies with cold working degree, but even in the annealed state (most common for industrial equipment), it delivers exceptional strength and ductility. Below are typical values for annealed and cold-worked conditions:

Property	Unit	Annealed Condition	40% Cold-Worked	75% Cold-Worked
Ultimate Tensile Strength	MPa (ksi)	842-1050 (122-152)	1531 (222)	1999 (290)
0.2% Yield Strength	MPa (ksi)	455 (66)	1310 (190)	1724 (250)
Elongation (in 25.4cm)	%	40	3.8	3.9
Hardness	HRB	≤100	-	-
Modulus of Elasticity	GPa (mpsi)	205 (29.8)	205 (29.8)	205 (29.8)

Equivalent Grades

Hastelloy C276 bright round bar is manufactured to international standards, with equivalent designations across major industrial regions. This ensures compatibility with global equipment specifications:

Region/Standard	Equivalent Grade
United States	UNS N10276, ASTM B574, ASTM B575
Germany	W.Nr 2.4819, NiMo16Cr15W
China	NS3304, NS334, 00Cr16Ni60Mo16W4
International	ISO 15156-3 (NACE MR0175), AWS 054
Trade Names	Nicrofer 5716, Super Imphy 276, Inconel C-276

Key Applications

Oil & Gas Industry

Hastelloy C276 bright round bar is indispensable in harsh oilfield and refining environments:

Downhole components: Used for valves, drill collars, and wellhead parts in sour gas wells, where it resists sulfide stress cracking
Refining equipment: Fabricated into heat exchanger tubes, reactor internals, and pump shafts to handle corrosive hydrocarbons and acid catalysts
Offshore platforms: Withstands seawater corrosion and cyclic temperature fluctuations in subsea pipelines and processing modules

Pharmaceutical Industry

Its hygiene and corrosion resistance make it ideal for drug manufacturing:

Reactor vessels and agitators: The bright surface prevents cross-contamination and withstands aggressive solvents and sterilization cycles
Piping and valves: Ensures purity in API production, where even trace metal leaching is prohibited
Laboratory equipment: Used for high-precision fittings and sample handling tools in analytical processes

Quality Assurance & Compliance

Premium Hastelloy C276 bright round bar adheres to strict quality protocols, including:

Chemical composition verification via spectrometric analysis
Mechanical testing (tensile, hardness, impact) to ASTM standards
Surface finish inspection and non-destructive testing (ultrasonic flaw detection)
Certification by ISO, SGS, or BV to validate material traceability

In summary, Hastelloy C276 bright round bar combines unmatched corrosion resistance, heat stability, and precision engineering to solve the most challenging material problems in oil & gas and pharmaceutical sectors. Its global standardization and proven performance make it a cost-effective investment in long-term equipment reliability.

Etiquetas:

Premium Hastelloy C276 Bright Round Bar with Heat Resistance and Corrosion Resistant Properties for Custom Cutting in Oil & Gas

Heat Resistance Hastelloy C276 Bright Round Bar

Corrosion Resistant Nickel Alloy Round Bar

Custom Cutting Super Alloy Bar