Alloy B
information
Equivalent designations
UNS N10001
|
Form |
ASTM |
|
Rod |
B 335 |
|
Plate, sheet and strip |
|
|
Seamless pipe and tube |
B 622 |
|
Welded pipe |
B 619, B 775 |
|
Welded tube |
B 626, B 751 |
|
Welding fitting |
B 366 |
Chemical composition
|
% |
Ni |
Mo |
Fe |
Co |
Cr |
C |
Mn |
Si |
P |
S |
V |
|
min |
balance |
26.0 |
4.0 |
|
|
|
|
|
|
|
0.20 |
|
max |
30.0 |
6.0 |
2.5 |
1.00 |
0.050 |
1.00 |
1.00 |
0.040 |
0.030 |
0.40 |
Physical properties
|
Density |
9.24 g/cm3 |
|
Melting range |
1330-1380℃ |
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.
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