Hastelloy B-3

A nickel-molybdenum alloy with outstanding resistance to hydrochloric
and sulfuric acids in the as-welded condition and excellent thermal
stability.

HASTELLOY B-3 alloy is an additional member of the
nickel-molybdenum family of alloys with excellent resistance to
hydrochloric acid at all concentrations and temperatures. It also
withstands sulfuric, acetic, formic and phosphoric acids, and other
nonoxidizing media. B-3 alloy has a special chemistry designed to
achieve a level of thermal stability greatly superior to that of its
predecessors, e.g. HASTELLOY B-2 alloy. B-3 alloy has excellent
resistance to pitting corrosion, to stress-corrosion cracking and to
knife-line and heat-affected zone attack.

Specifications
UNS N10675

Plate, Sheet, Strip
ASTM B333, ASME SB333

Bar
ASTM B 335, ASME SB335, (DUAL CERTIFIED TO ASTM B564, ASME
SB564 ON 3-1/2 DIA. AND UP)

Welded Pipe
ASTM B619, ASME SB619, CLASS I or II, (ABOVE 8" SCH 40)  ASTM
B775, ASME SB775,

Seamless Pipe:
ASTM B622, ASME SB622

Welded Tubing:
ASTM B 626

The DIN specification is 17744 No. 2.4600 (all forms),

TUV Werkstoffblatt 517 (all forms).

Available Form
HASTELLOY B-3 alloy is available in the form of plate, sheet, strip,
billet, bar, wire, pipe and tubing.
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