Hastelloy B-2 has outstanding resistance to hydrochloric acid at all concentrations and temperatures. It also has significant resistance to reducing environments like sulfuric, phosphoric, acetic acids and other nonoxidizing media. Hastelloy B-2 has excellent resistance to pitting corrosion, stress corrosion cracking, and knife line and weld heat-affected zone attack. Hastelloy B-2 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.
Alloy | ASTM | DIN | GB | |
New grades | Old grades | |||
Hastelloy C-22 | UNS N06022 | 2.4602 | NS3308 | |
Hastelloy C-276 | UNS N10276 | 2.4819 | NS3304 | NS334 |
Hastelloy C-4 | UNS N06455 | 2.4610 | ||
Hastelloy C-2000 | UNS N06200 | 2.4675 | ||
Hastelloy C-59 | UNS N06059 | 2.4605 | ||
Hastelloy B | UNS N10001 | NS3201 | NS321 | |
Hastelloy B-2 | UNS N10665 | 2.4617 | NS3202 | NS322 |
Hastelloy B-3 | UNS N10675 | 2.4615 | NS3203 | |
Hastelloy X | UNS N06002 | 2.4613 | ||
Hastelloy G30 | UNS N06030 | 2.4603 |
GB/T | UNS | Trademark | W.Nr | |||
NS322 | N10665 | HastelloyB2 | 2.4617 | |||
Chemical Composition: | ||||||
Grade | % | Ni | Cr | Mo | Fe | Co |
Hastelloy B-2 | Min | Rest | 26 | |||
Max | 1 | 30 | 2 | 1 | ||
C | Mn | Si | V | P | S | |
0.2 | ||||||
0.02 | 1 | 0.1 | 0.4 | 0.04 | 0.03 | |
Physical Performance: | ||||||
Density | 9.24g/cm3 | |||||
Smelt | 1330-1380 | |||||
Heat Treatment | T*S | Y*S | El | |||
Rm N/mm2 | RP0.2N/mm2 | A5 % | ||||
Hastelloy B-2 | 690 | 310 | 40 |
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