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Hastelloy B-2 Corrosion resistant alloy
Hastelloy B-2 Corrosion resistant alloy
Corrosion resistant alloy: Hastelloy B-2
Hastelloy B-2 alloy equal material:Germany grade: W.Nr.2.46,DIN grade: NiMo28,American grade: UNS N10665,ISO grade: NiMo28
Hastelloy B-2 alloy steel Characteristic :
1.control iron and chromium in the lowest content, prevent the generation of β phase Ni4Mo
2.The excellent corrosion resistance to reduction environment.Sulfuric acid anti medium concentration
3 excellent non oxidative acid corrosion
4.very good resistance to chloride ion reduction to stress corrosion cracking (SCC)
5.Capacity of excellent resistance to various organic acid corrosion
Hastelloy B-2 alloy steel application:
Alloy Hastelloy B-2 has been widely used in energy production and pollution control, chemical, petrochemical, especially in the sulfuric acid, hydrochloric acid, phosphoric
acid, acetic acid and other industries.
Other applications:
Widely used sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries
Typical applications:
1. manufacturing work under high temperature bolt; gas turbine rotor blades, impeller and other structural parts;
2. rocket engine thrust chamber;Reverse thrust device
3. on the plane;
4. large high pressure vessel;
5.The elastic gas seal, sealing sheet, rubber machinery electric blade.
Hastelloy B-2 Corrosion resistant alloy Chemical composition:
Ni
Cr
Fe
C
Mn
Si
Mo
Si
Co
P
S
Min
Balance
2.0
26
Max
1.0
7.0
0.02
1.0
1.0
30
0.1
1.0
0.04
0.03
Hastelloy B-2 Corrosion resistant alloy steel Property :
Hastelloy B-2 steel material density: 8.9g/cm3
Hastelloy B-2 steel material Melting temperature range: 1330-1380 degree
Hastelloy B-2 mechanical properties (the minimum value at room temperature):
Alloy and state
Strength of extension
Rm N/mm2
Yield strengthRP0.2N/mm2
ductility
A5 %
Hastelloy B-2
690
310
40
Hastelloy B-2 alloy steel Processing and heat treatment:
1.Should be quickly heated to a required temperature. The temperature range of 1160 - 900 degree heat processing.
2.The degree of deformation, the alloy grain size and forging the final forging temperature is closely related to.
3.Welding slag surrounding oxide, alloy surface oxide color and weld attachment than stainless steel, grinding and recommend the use of fine grain or fine grain grinding wheel abrasive belt.
4.Alloy should be machined after annealing, due to the work hardening material rate is higher, it should adopt the cutting speed than standard austenitic stainless steel low alloy processing low and heavy feed processing, can cut into the cold work hardening of the surface below.
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