API Material Classification

A-7

Casing     AUS
Internal Parts     AUS
Shaft     AUS
Impeller     AUS

A-8

Casing     316 AUS
Internal Parts     316 AUS
Shaft     316 AUS
Impeller     316 AUS

C-6

Casing     12% CR
Internal Parts     12% CR
Shaft     12% CR
Impeller     12% CR

D-1

Casing     Duplex
Internal Parts     Duplex
Shaft     Duplex
Impeller     Duplex

D-2

Casing     Superduplex
Internal Parts     Superduplex
Shaft     Superduplex
Impeller     Superduplex

I-1

Casing     Cast Iron
Internal Parts     Cast Iron
Shaft     Carbon Steel
Impeller     Cast Iron

I-2

Casing     Cast Iron
Internal Parts     Bronze
Shaft     Carbon Steel
Impeller     Bronze

S-1

Casing     Carbon Steel
Internal Parts     Cast Iron
Shaft     Carbon Steel
Impeller     Cast Iron

S-3

Casing     Carbon Steel
Internal Parts     Ni-Resist
Shaft     Carbon Steel
Impeller     Ni-Resist

S-4

Casing     Carbon Steel
Internal Parts     Cast Iron
Shaft     Carbon Steel
Impeller     Carbon Steel

S-5

Casing     Carbon Steel
Internal Parts     Carbon Steel
Shaft     AISI 4140
Impeller     Carbon Steel

S-6

Casing     Carbon Steel
Internal Parts     12% Cr
Shaft     AISI 4140
Impeller     12% Cr

S-8

Casing     Carbon Steel
Internal Parts     316 AUS
Shaft     316 AUS
Impeller     316 AUS

S-9

Casing     Carbon Steel
Internal Parts     Ni-Cu Alloy
Shaft     Ni-Cu Alloy
Impeller     Ni-Cu Alloy