SB-649 UNS N08904 supplier
SB-649 UNS N08904 is a kind of low carbon, high alloy austenitic stainless steel, in dilute sulphuric acid have good corrosion resistance, specially designed for harsh environment corrosion conditions. Has the high chromium content and plenty of nickel content, the addition of copper makes it have strong ability to resist acid, especially for chloride clearance corrosion and stress corrosion cracking are highly resistant, not easy to appear, erosion and fracture pitting resistance slightly better than other steel grade, good machinability and weldability, can be used for pressure vessels.
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N08904 alloy chemical composition:

alloy % Ni Cr Mo Cu C Mn Si P S
N08904 Min 23 19 4 1
Max 28 23 5 2 0.02 2 1 0.045 0.035
N08904 physical properties:

Grade Yield strength
Rm N/mm2 tensile strength
RP0.2N/mm2 Elongation
A5 %
N08904 490 216 35

Delivery time: Promptly (Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
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