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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 | 0.05 | 1.00 | 1.00 | 0.04 | 0.03 | 0.40 |
Product Types and Standards:
| Form | ASTM |
| Rod | B 335 |
| Plate, sheet and strip | B 333, B 906 |
| Seamless pipe and tube | B 622 |
| Welded pipe | B 619, B 775 |
| Welded tube | B 626, B 751 |
| Welding fitting | B 366 |
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 non-oxidizing 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.
