B 622 / B 619, B 775 / B 626, B 751 standard seamless and welded b2 / b3 / b2 pipe and tube
zheheng steel supply and manufacturer of B 622 / B 619, B 775 / B 626, B 751 standard seamless and welded b2 / b3 / b2 pipe and tube in china
Features:
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.
Note:
Hastelloy is a registered trademark of Haynes International, Inc.
Products description:
Equivalent designations
UNS N10665
DIN W. Nr. 2.4617
| 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 |
| Forged or rolled pipe flange and forged fitting | B 462 |
| Billet and bar for reforging | B 472 |
| Forging | B 564 |
alloy b2 Chemical composition
| % | Ni | Mo | Fe | Cr | Co | C | Mn | Si | P | S |
| min | balance | 26 | | | | | | | | |
| max | 30 | 2 | 1 | 1 | 0.02 | 1 | 0.1 | 0.04 | 0.03 |
Alloy b2 Physical properties
| Density | 9.22 g/cm3 |
| Melting range | 1330-1380℃ |
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B 775 Standard Stainless Steel Pipe With Outstanding Resistance To Hydrochloric Acid Images
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