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Hastelloy G30

Hastelloy G-30 is a NiCrFeMoCu superalloy providing better chemical corrosion resistance than other nickel and iron based superalloys. It gives outstanding resistance to oxidizing acids like nitric acid, hydrochloric acid and sulphuric acids. It prevents the production of grain boundary precipitates in the weld heated zone, therefore it is fit for use in the welded conditions. Good ductility. Nickel G30 shows similar formability to other high alloys.

Chemical Composition

Grade

%

Ni

Cr

Mo

Fe

C

Co

UNS N06030

Min

Rest

28

4

13



Max

31.5

6

17

0.03

5

W

Cu

Mn

Si

Nb

P

S


1.5

1



0.3




4

2.4

1.5

0.8

1.5

0.04

0.02



Physical Performance

Density

                    8.94 g/cm3



Smelt

                    1325-1370



Heat
Treatment

                    T*S

                    Y*S

                    El

                    Rm N/mm2

                    RP0.2N/mm2

                    A5 %

Hastelloy
C-22

                    524

                    200

                    62


Standard of execution:

Form

                    ASTM

Rod

                    B 574

Plate, sheet and strip

                    B 575

Seamless pipe and tube

                    B 622

Welded pipe

                    B 619, B 775

Welded tube

                    B 626, B 751

Welding fitting

                    B 366

Forged or rolled pipe flange and forged fitting

                    B 462

Billet and bar for reforging

                    B 472

Forging

                    B 564


Features:
Resists reducing acids such as phosphoric and sulfuric
Resistant to complex environments containing oxidizing acids
Usable in the as - welded condition

Applications:
Phosphoric acid manufacture
Sulfuric acid manufacture
Oxidizing acid mixtures
Petrochemicals
Fertilizer manufacture
Pesticide manufacture
Pickling racks for stainless steel


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