Hastelloy B-2 Maximum Iron Alloy
Hastelloy B-2 Maximum Iron Alloy
SKU:HAS-b7d3a5
Premium Hastelloy B-2 Alloy for superior resistance to harsh chemical environments. Ideal for chemical processing industries.
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$2,500.00
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Hastelloy B-2 Maximum Iron Alloy
$2,500.00
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Hastelloy B-2 Maximum Iron Alloy
$2,500.00
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The Hastelloy B-2 Maximum Iron Alloy offers exceptional resistance to reducing environments, including hydrogen chloride gas, sulfuric, acetic, and phosphoric acids. With a composition of Nickel 68%, Molybdenum 28%, Iron 2%, Cobalt 1%, and Chromium 1%, it excels in withstanding various organic acids and chloride-induced stress-corrosion cracking. Ideal for chemical processing industries, this alloy ensures uniform corrosion resistance in diverse applications at temperatures ranging from ambient to 1500°F. Compliant with ASME and ASTM standards.
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Product Specifications
Additional Information Additional Information
Alloy B-2 is a nickel-molybdenum alloy with significant resistance to reducing environments, such as hydrogen chloride gas and sulfuric, acetic and phosphoric acids. Alloy B-2 provides resistance to pure sulfuric acid and a number of non-oxidizing acids. The alloy should not be used in oxidizing media or where oxidizing contaminants are available in reducing media. Premature failure may occur if B-2 is used where iron or copper is present in a system containing hydrochloric acid.Industry users like the resistance to a wide range of organic acids and the resistance to chloride-induced stress-corrosion cracking.Hastelloy® Alloy B-2 resists the formation of grain boundary carbide precipitates in the weld heat-affected zone, making it suitable for most chemical process applications in the as-welded condition. The heat-affected weld zones have reduced precipitation of carbides and other phases to ensure uniform corrosion resistance.Alloy B-2 also has excellent resistance to pitting and stress corrosion cracking.
Applications 0
Superior resistance to hydrochloric acid, aluminum chloride catalysts and other strongly reducing chemicals. Excellent high-temperature strength in inert and vacuum atmospheres.Hastelloy® Alloy B-2 is a nickel-molybdenum alloy particularly suited for equipment handling reducing chemical environments.Applications in the chemical process industry involving sulfuric, phosphoric, hydrochloric and acetic acid. Temperature uses vary from ambient temperature to 1500 ºF depending on the environments.
Formability 0
Hastelloy® Alloy B-2 does work harden, but can be formed when the proper precautions are taken. Sheet (0.063" thick) in the heat treated condition at 1950 ºF and rapid quenched has an average olsen cup depth of 0.57" or 14.5 mm.
General Resistance Unified Numbering System Uns
N10665
Machinability Ratings 0
Nickel & cobalt base corrosion, temperature and wear-resistant alloys are classified as moderate to difficult when machining, however, it should be emphasized that these alloys can be machined using conventional production methods at satisfactory rates. During machining these alloys work harden rapidly, generate high heat during cutting, weld to the cutting tool surface and offer high resistance to metal removal because of their high shear strengths. The following are key points which should be considered during machining operations
Machinability Ratings Capacity
Machine should be rigid and overpowered as much as possible.
Machinability Ratings Lubrication
Lubricants are desirable, soluble oils are recommended especially when using carbide tooling.
Machinability Ratings Rigidity
Work piece and tool should be held rigid. Minimize tool overhang.
Machining 0
Nickel & cobalt base corrosion, temperature and wear-resistant alloys are classified as moderate to difficult when machining, however, it should be emphasized that these alloys can be machined using conventional production methods at satisfactory rates. During machining these alloys work harden rapidly, generate high heat during cutting, weld to the cutting tool surface and offer high resistance to metal removal because of their high shear strengths.
Mechanical Elongation
55 %
Mechanical Hardness
B 98 (Rockwell)
Mechanical Ultimate
132 ksi
Mechanical Yield Strength
57 ksi
Nominal Chemistry Maximum Carbon C
0.01
Nominal Chemistry Maximum Chromium Cr
1.0
Nominal Chemistry Maximum Iron Fe
2
Nominal Chemistry Maximum Silicon Si
0.10
Nominal Chemistry Molybdenum Mo
28.0
Nominal Chemistry Nickel Ni
Balanced
Positive Cuts 0
Use heavy, constant, feeds to maintain positive cutting action. If feed slows and the tool dwells in the cut, work hardening occurs, tool life deteriorates and close tolerances are impossible.
Specifications Bar
ASME SB335 | ASTM B335
Specifications Bare Weld Rods
ASME SFA 5.14 (ENiMo-7) | AWS A 5.14 (ENiMo-7)
Specifications Electrodes
ASME SFA 5.11 (ENiMo-7) | AWS A 5.11 (ENiMo-7)
Specifications Fittings
ASME SB366 | ASTM B366
Specifications Plate
ASME SB333 | ASTM B333
Specifications Seamless Pipe And Tube
ASME SB622 | ASTM B622
Specifications Welded Pipe
ASME SB619 | ASTM B619
Specifications Welded Tube
ASME SB626 | ASTM B626
Tools 0
Use positive rake angle tools for most machining operations. Negative rake angle tools can be considered for intermittent cuts and heavy stock removal. Carbide-tipped tools are suggested for most applications. High speed tools can be used, with lower production rates, and are often recommended for intermittent cuts.
Tool Sharpness 0
Make sure tools are sharp at all times. Change to sharpened tools at regular intervals rather than out of necessity. A 0.015 inch wear land is considered a dull tool.
Welding 0
Hastelloy® Alloy B-2 resists the formation of grain boundary carbide precipitates in the weld heat-affected zone, making it suitable for most chemical process applications in the as-welded condition. The heat-affected weld zones have reduced precipitation of carbides and other phases to ensure uniform corrosion resistance.