Hastelloy C276 Round Bars and Hastelloy C276 Wires

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Kalpataru Piping is an ISO certified manufacturer, supplier, exporter and stockist of quality Hastelloy C276 Round Bars and Hastelloy C276 Wires. These Hastelloy C276 Square Bars are a molybdenum-nickel-chromium wrought alloy developed as the most versatile corrosion resistant alloy available. Hastelloy C276 Round Bars and Hastelloy C276 Wires are used in many application industries including but not limited to petroleum, chemical, construction, engineering, gas and shipbuilding industries and many more. These Hastelloy C276 Threaded Bars are a Chromium-Nickel-Molybdenum alloy with the addition of Tungsten, and have excellent corrosion resistance in a wide range of corrosive environments and also especially crevice corrosion. Kalpataru Piping is a leading Supplier of Hastelloy C276 Round Bars which are used in jet engines, superchargers and other high temperature applications.

Hastelloy C276 (also called Alloy C276 or UNS N10276) is a powerful alloy whose main constituents are nickel, molybdenum, and chromium, plus some tungsten. It is considered the best corrosion-resistant material in the market for process industries.

Hastelloy C276 Bar is highly resistant to marine environments, particularly in crevice-type conditions where other alloys such as stainless steel, Alloy 400 and Alloy 625 could suffer. It’s widely applied to sour wells used for sour natural gas recovery and processing containing hydrogen sulphide, carbon dioxide and chlorides. Hastelloy C276’s chemistry is resistant to sulphur-induced stress cracking which may occur in environments at high temperatures in deep wells. This is unlike carbon and alloy steels, which are prone to sulfide stress cracking or stress corrosion cracking.

ASTM B574 Hastelloy C276 Round Bar: Specifications and Certification

Hastelloy C276 round bar is primarily covered under ASTM B574, which specifies the standard for wrought bars of nickel-molybdenum-chromium alloys. Kalpataru Piping supplies and stocks ASTM B574 Hastelloy C276 round bar in compliance with NACE MR0175/ISO 15156, which allows for direct use for sour-gas and oil and gas applications without any further qualification.

ASME SB574 is the equivalent ASME boiler and pressure vessel code. ASTM B574 and ASME SB574 are identical to UNS N10276 chemistry and mechanical properties. The DIN 2.4819 grade is the European equivalent, most common in German speaking countries and EU process facilities. All three specifications designate the same Hastelloy C276 alloy chemistry outlined in the table below.

ASTM B574 Hastelloy C276 bars have a low maximum carbon content of 0.010% and are therefore not susceptible to welding sensitization. This is essential for fabricators and machine shops that need bar stock for welding, machining into fasteners and forgings. Customers who source Hastelloy C276 bar for bolt fabrication can also source the mating Hastelloy C276 Fasteners from Kalpataru Piping for maximum material traceability.

Hastelloy C276 Round Bar Specification

2.4819 Alloy C276 Bar Condition

ASTM B574 N10276 Bar Surface Finish

Hastelloy C276 Rods Chemical Composition

Alloy C276 Round Bar Mechanical Properties

Hastelloy C276 Round Bar Equivalent Grades

UNS N10276 Round Rod Dimensions

N 2.4819 Bar Melting Point

ASTM B574 Round Bar Weight Chart (Hastelloy C276 Bar Weight Per Metre)

The table below lists Hastelloy C276 round bar weight per metre and per foot across the full size range. These figures are based on the alloy density of 8.89 g/cm3 and are used by procurement teams, estimators, and project engineers to calculate shipping weights and material costs for UNS N10276 bar orders.

ASME SB574 Round Bar Physical Properties

Hastelloy C276 Flat Bar Size Chart

Types of Hastelloy C276 Round Bars and Hastelloy C276 Wires

Hastelloy C276 Bright Bar, Hex Bar and Forged Bar: Key Product Forms

Kalpataru Piping supplies Hastelloy C276 bar stock across three high-demand product forms that serve distinct downstream fabrication needs:

Hastelloy C276 Bright Bar

Hastelloy C276 bright bar is produced by cold drawing a hot-rolled bar through precision dies to achieve tight dimensional tolerances (typically h9 or h11) and a smooth, oxide-free surface. The centreless-ground finish eliminates the need for further machining on outer surfaces, making it the preferred choice for CNC turning shops producing valve stems, pump shafts, and instrumentation components. Bright bar in UNS N10276 is stocked from 6 mm to 100 mm diameter at Kalpataru Piping warehouses across Mumbai, Pune, and Ahmedabad.

Hastelloy C276 Hex Bar (Alloy C276 Hex Bar)

Hastelloy C276 hex bar, also called Alloy C276 hexagonal bar, is supplied in across-flat sizes from 2 mm A/F to 100 mm A/F per ASTM B574. It is the standard raw material for machining bolts, nuts, and other threaded fastener components. Buyers procuring hex bar from Kalpataru Piping for fastener manufacture frequently also source finished Hastelloy C276 Fasteners from the same supply chain, reducing lead times and consolidating material certificates. Our hex bar meets NACE MR0175 sour-service requirements and can be supplied with EN10204 3.1 or 3.2 test certificates.

Alloy C276 Forged Bar

Alloy C276 forged bar is hot-forged from billet and then rough-turned or peeled to remove scale. The forging process refines the grain structure and eliminates internal porosity, giving superior fatigue resistance and impact toughness compared to as-rolled bar. This makes DIN 2.4819 forged bar the preferred choice for pressure-retaining flanges, valve bodies, pump casings, and high-pressure fittings. Kalpataru Piping supplies forged bar in diameters from 50 mm up to 495 mm, covering requirements that cannot be met by standard rolled bar.

Hastelloy C276 Round Bar Applications by Industry

Hastelloy C276 bar in the UNS N10276 composition finds application wherever a combination of corrosion resistance and mechanical strength is non-negotiable. The following industries represent the primary end-use sectors for Kalpataru Piping customers:

• Oil and Gas: sour-well drill collars, completion tool components, and subsea valve stems where H2S and CO2 are present
• Chemical Processing: reactor agitator shafts, pump shafts, and stirrer blades handling chlorinated solvents and oxidizing acids
• Pharmaceutical: reactors and mixing equipment in API manufacturing where contamination from iron is unacceptable
• Pulp and Paper: bleaching circuit shafts and drum components exposed to chlorine dioxide and hypochlorite
• Flue Gas Desulfurisation (FGD): spray nozzle shafts and absorber internals exposed to SO2-bearing slurries
• Marine and Offshore: fasteners and structural components in seawater-flooded or tidal-zone service
• Aerospace: supercharger shafts, combustion hardware, and high-temperature structural fasteners
• Power Generation: heat exchanger tube sheets and condenser support rods in high-purity water service
• Waste Treatment: reactor internals and agitator shafts handling hydrochloric acid and mixed corrosive effluents

Why Choose Kalpataru Piping as Your Hastelloy C276 Bar Supplier India

As a dedicated Hastelloy C276 bar supplier India, Kalpataru Piping offers buyers an integrated sourcing experience that goes beyond simply dispatching bar stock. Here is what differentiates the Kalpataru Piping supply chain:

• Immediate stock availability across Mumbai, Pune, Ahmedabad, Chennai, Hyderabad, and Bengaluru warehouses for sizes up to 100 mm diameter
• Full traceability from melt heat to finished bar, with EN10204 3.1 mill test certificates covering chemistry, mechanical properties, and dimensional inspection
• Third-party inspection by TUV, SGS, Lloyds, or Bureau Veritas arranged on customer request at no extra lead-time overhead
• Custom cutting from 3 mm to 650 mm bar segments, with square-cut tolerance of plus or minus 1 mm, reducing material waste in downstream machining
• Competitive pricing across all product forms: bright bar, hex bar, forged bar, and threaded bar, with rolling price lists updated monthly
• Export packing in wooden crates with moisture-absorbing desiccant and end-cap protection to prevent transit damage in marine shipments
• Parallel supply of complementary C276 products (pipes, flanges, filler wire, and fasteners) under a single PO and single test certificate package

Marking and Packing of Hastelloy C276 Round Bars and Hastelloy C276 Wires

Kalpataru Piping packs Hastelloy C276 Round Bars and Wires properly and carefully to ensure that there is no damage during transit. We pack Hastelloy C276 Round Bars and Wires in wooden boxes and supply them all over the world.

High-Quality Hastelloy C276 Round Bars: Quality Assurance

Kalpataru Piping is one of the most trusted Exporters, Suppliers, Stockists and Manufacturers of Hastelloy C276 Round Bars and Hastelloy C276 Wires. We inspect our Hastelloy C276 Round Bars and Wires at each stage of the production process to make sure that quality is not compromised. They are examined to confirm their standards and we also offer third party inspection of our Hastelloy C276 Round Bars and Wires on demand of our clients. Kalpataru Piping offers test certificates for our Hastelloy C276 Round Bars and Wires.

Complete Hastelloy C276 Product Range from Kalpataru Piping

Buyers sourcing Hastelloy C276 round bar for fabrication projects typically require companion products manufactured from the same UNS N10276 alloy lot. Kalpataru Piping offers the full C276 product suite under a single supply chain, enabling consolidated procurement and unified material traceability:

• Hastelloy C276 Seamless Pipe India: ASTM B622 seamless pipes and tubes in NPS 1/8 to NPS 24
• Hastelloy C276 Fasteners: ASTM B574 bolts, nuts, studs and threaded rods for flanged joint assembly
• Hastelloy C276 Filler Wire: AWS A5.14 ERNiCrMo-4 filler wire and welding electrodes for C276 weld fabrication
• Hastelloy C276 Hub: All C276 product forms in one place
• Hastelloy Products: Full Hastelloy alloy product portfolio including C276, C22, and B2

Frequently Asked Questions: Hastelloy C276 Round Bar

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