Hastelloy B3 Bars and Rods

Luois Metals offers Hastelloy B3 bars and rods made in Houston–ASTM B574 and AMS grade compliant. Hastelloy B3 (Alloy B‑3) provides outstanding corrosion resistance in reducing acids, even at high temperatures. We stock inventory in a variety of sizes and tempers, including solution annealed inventory, with certification and careful quality control. Precision cutting and material traceability are among our services. Luois Metals assists customers in petrochemical, phosphoric acid, and heat exchanger industries with dependable, high-quality alloy rods and bars suitable for harsh corrosive conditions.

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Hastelloy B3 Round Bars

Hastelloy B3 Rectangular Bars

Hastelloy B3 Square Rods

What is Hastelloy B3 Bars and Rods?

Hastelloy B3 is a nickel-molybdenum-chromium alloy with about 58% nickel, 28% molybdenum, and 9% chromium, with trace iron content. It is resistant to corrosion due to chlorides and can be used in highly acidic and hot conditions. Mechanical properties comprise tensile properties of 700–800 MPa, yield of around 270–380 MPa, and elongation of 30–45%. Brinell hardness varies from 180–240 HB. Available in solution-annealed condition, B3 possesses remarkable corrosion resistance when exposed to hot acids and can be used in hydrochloric, sulfuric, and acetic acid services up to 425 °C.

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Hastelloy B3 Bars and Rods Specification

Standard	ASTM B335, ASME SB335
Round Bar Size	3mm~ 800mm
Square Bar Size	4mm* 4mm ~100mm* 100mm
Flat Bar Size	2mm ~ 100mm
Hex Bar Size	2mm ~ 100mm
Angle Size	3mm* 20mm* 20mm~ 12mm* 100mm* 100mm
Thickness	50 mm to 6000 mm Long
Length	1 To 6 Meters, Custom Cut Length
Form	Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc

Chemical Compositions of Hastelloy B3 Bars

Grade	Ni	Mo	Cr	Fe	W	Mn	C	Al	Ti	Si
Hastelloy B3	65.0 min	28.5	1.5	1.5	3.0 max	3.0 max	0.01 max	0.50 max	0.2 max	10 max

Hastelloy Alloy B3 Rods Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
9.2 g/cm3	1370 °C (2550 °F)	Psi – 1,15,000 , MPa –760	Psi – 52,000 , MPa – 350	40%

Hastelloy B3 Bars and Rods Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS
Hastelloy B3	2.4600	N10675

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Hastelloy B3 Bars and Rods Types

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Frequently Asked Questions (FAQ)

What Are the Key Properties of Hastelloy B3 Bars?

Hastelloy B3 bars offer exceptional resistance to hydrochloric acid, excellent weldability, and superior corrosion resistance in aggressive environments. They also provide high strength and durability at elevated temperatures.

Can Hastelloy B3 Rods Be Welded?

Yes, Hastelloy B3 rods can be welded using appropriate welding techniques. It is important to control heat input to avoid potential cracking or damage to the material.

What Sizes and Finishes Are Available for Hastelloy B3 Rods?

Hastelloy B3 rods are available in various sizes, typically ranging from small diameters (1/8" to 1") to larger dimensions depending on the application. They are commonly offered in finishes such as cold-finished, hot-rolled, or polished for specific requirements.

Hastelloy B3 Bars and Rods Uses

Hastelloy B3 rods and bars find applications in sulfuric and hydrochloric acid processing vessels, phosphoric acid facilities, heat exchanger tubing, and high-temperature acidic service. They‘re well-suited for producing valve stems, pumps, agitators, and reactor internals which are subjected to hot reducing media. They’re used in the fertilizer and phosphates sector to support processing gear and absorption towers. B3 alloys are also applied in desulfurization equipment, chlorine manufacture, and oil refining equipment treating acidic conditions. Their high temperature resistance and corrosion resistance allow for safe, efficient operations in aggressive chemical processing uses.

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