Hastelloy B
Hastelloy B

Hastelloy B  

Description: Hastelloy B / N10001 / NS321 


Features: Hastelloy B has excellent resistance to reducing environments like sulfuric acid at moderate concentrations and other nonoxidizing acids. It also resists stress corrosion cracking induced by chlorides. Hastelloy B has poor resistance to oxidizing environments, therefore, it should not be used where ferric or cupric salts are present as these salts may cause rapid corrosion failure.

Applications: Equipment handling reducing chemical environments; and chemical process industry involving hydrochloric, sulfuric, phosphoric and acetic acids.


Hastelloy B Chemical compostion:

Alloy % Ni Mo Fe Cr Co C Mn V Si P S
Hastelloy B Min. Balance 26 4 0.2
Max. 30 6 1 2.5 0.05 1 0.4 1 0.04 0.03
Hastelloy B-2 Min. Balance 26 2
Max. 30 7 1 1 0.02 1 0.1 0.04 0.03


Hastelloy B Physical properties:

Density 9.24g/cm3
Melting point 1330-1380℃


Hastelloy B Alloy minimum mechanical properties in the room temperature:

Alloy state Tensile strength Yield strength Elongation
Rm N/mm2 RP0.2N/mm2 A5 %
Hastelloy B 690 310 40
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