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ASTM BE22 material

ASTM BE22 material

ASTM BE22 material

(OP)
Dear colleges
Can anyone help me to a copy of the ASTM BE22 standard. Does chlorine, brackish water corrode this material. Is the material suitable for H2SO4
koekoek

RE: ASTM BE22 material

BE22 must be a typo. Pls recheck.

RE: ASTM BE22 material

(OP)
sorry, you're write it's B633 UNS10665
koekoek

RE: ASTM BE22 material

I believe this is what you want:
ASTM B622-00 Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube
“1.1 This specification covers seamless pipe and tube of nickel and nickel-cobalt alloys (UNS N10001, UNS N10665, UNS N12160, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N08320, UNS N06975, UNS N06002, UNS N06985, UNS N06022, UNS N08135, UNS N06255, UNS N06059, UNS N06030, UNS N08031, UNS R30556, UNSN08535, UNSN06250, UNS N06060, UNS N06230, UNS N06686, UNS N10629, and UNS R20033)* as shown in Table 1.
1.2 Pipe and tube shall be supplied in the solution annealed and descaled condition. When atmosphere control is used, descaling is not necessary.”
http://www.astm.org/cgi-bin/SoftCart.exe/DATABASE.CART/...

UNS N10665 is HASTELLOY® B-2 alloy.
Composition 69Nia-28Mo-2Fe*-1Co*-1Cr*-1Mn*-0.1Si*-0.01C* (abalance, *max.)
“A nickel-molybdenum alloy with outstanding resistance to hydrochloric and sulfuric acids in the as-welded condition.”
For more corrosion and other information: http://www.haynesintl.com/MINI/B2S/B2.htm

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