Alloy 33

Main reference standards

Density Kg/dm3:7.9

PLATES
ASTM / ASME:B/SB 625
EN:-

WELDED PIPES
ASTM / ASME:B/SB 619
EN:-

SEAMLESS PIPES
ASTM / ASME:B/SB 622
EN:-

FITTINGS
ASTM / ASME:-
EN:-

VdTÜV
516

Mechanical and chemical characteristics

Reference:B/SB 625
Tensile Strength min N/mm2:750
Yield Point min N/mm2:380
Elongation 2” min %:40
Hardness max HB:-
Hardness max HRB:-
C% max:0.015
Mn% max:2.00
Si% max:0.50
P% max:0.02
S% max:0.01
Cr%:31 – 35
Ni%:30 – 33
Mo%:0.5 – 2
Fe%:Resto Balance
Cu% max:0.3 – 1.2
Other elements:N 0.35 – 0.60

Properties and main applications

* Austenitic stainless steel with excellent resistance to general and local corrosion by both acid and alkaline media, in hot mineral acids and chloride-containing solutions.. * Heat exchanger, vessels, equipment for sulphuric acid production plant, nitric-hydrofluoric acid pickling plant, seawater systems, evaporation plant for salts and alkalis.


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