Product Detail
Alloy 28(UNS N08028)
Brand: A-one Alloy
Original: 0.00

Alloy 20(UNS N08020


Alloy 28 is a high-alloy multi-purpose  austenitic stainless steel for service in highly corrosive conditions. It is  also welled known as Sanicro 28.


l    Very high corrosion resistance in strong acids

l    Very good resistance to stress corrosion cracking (SCC)  and intergranular corrosion in various environments

l    High resistance to pitting and crevice corrosion

l    Good weldability


l    Phosphoric acid

l    Sulphuric acid

l    Oil and gas

l    Fluoride-bearing media

l    Nuclear power plants

l    Seawater and chloride-bearing cooling water

Equal grades

Alloy28,UNS N08028,Sanicro  28,W.Nr.: 1.4563, X 1 NiCrMoCuN 31 27 4

Nominal chemical composition(%)

C≤0.020, Si≤0.6, Mn≤2.0,  P≤0.025, S≤0.010, Cr=27, Ni=31,  Mo=3.5, Cu=1.0


Seamless tube and pipe: ASTM B 668, EN  10216-5,

Plate, sheet and strip:  ASTM B 709, EN 10088-2,

Bar steel:       EN 10088-3, EN 10272,

Fittings:   ASTM A 403 (chemical composition and mechanical properties  according to ASTM B668)

Forms available  at A-one Alloy

Plate, pipe, strip, tube, bar, forging.


EU & US origin plate in stock. For  delivery of other products please contact A-one Alloy for confirmation.