Hastelloy B2 Bars and Rods

Chung Metal supplies Hastelloy B2 Bars and Rods, yet another nickel‑molybdenum alloy maximized for hydrochloric acid resistance and other reducing acid environments. B2 possesses greater strength and moderate weldability with superior resistance to uniform and localized attack in reducing acids. These rods/bars find application in aggressive acid plants and chemical equipment where durability and chemical resistance are both necessary.

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Hastelloy B2 Round Bars

Hastelloy B2 Rectangular Bars

Hastelloy B2 Square Rods

What is Hastelloy B2 Bars and Rods?

Comparable in composition to B3 but with differing molybdenum and trace element content to cope with particular acid strengths. Annealed tensile strength ~550‑700 MPa, yield strength moderate, elongation moderate; outstanding resistance to pitting and cracking. Density ~8.8‑9.0 g/cm³. High melting point.

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Hastelloy B2 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 B2 Bars

Grade	Ni	Mo	Cr	Fe	Mn	C	P	S	Si
Hastelloy B2	Bal	26 – 30	1.0	–	0.1	0.02	0.04	0.03	0.1

Hastelloy Alloy B2 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 B2 Bars and Rods Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	GOST	AFNOR	JIS	OR	EN
Hastelloy C22	2.4602	N06022	–	–	NW 6022	–	NiCr21Mo14W

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Hastelloy B2 Bars and Rods Types

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Frequently Asked Questions (FAQ)

Can Hastelloy B2 Rods Be Welded?

Yes, Hastelloy B2 rods can be welded. However, it requires proper techniques and filler materials to avoid cracking due to their sensitivity to heat-affected zones.

What Are the Key Properties of Hastelloy B2 Bars?

Hastelloy B2 bars offer exceptional resistance to hydrochloric acid and other corrosive environments, along with excellent weldability and high strength. They are highly resistant to pitting, stress corrosion, and localized corrosion.

What Sizes and Finishes Are Available for Hastelloy B2 Rods?

Hastelloy B2 rods are available in various sizes, ranging from small diameters to larger rods, with common diameters including 0.125 inches to 4 inches. They typically come in a polished or cold-drawn finish, depending on the application requirements.

Hastelloy B2 Bars and Rods Uses

Applied in hydrochloric acid (to high concentration) applications, acid pickling, acid handling, mixing units of acid, chemical reactors, valves and piping for acid plants. Satisfactory in acid storage, pickling baths, and recovery systems. Used where reducing acids are the major constituents compared to oxidizing acids.

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