SE-G (NO6007)

SECORP designation (UNS NO.)

A Columbium stabilized nickel base alloy with excellent corrosion resistance in many media, especially hot sulphuric and phosphoric acids. Highly resistant to pitting corrosion.

Major Applications

 

Downhole tubulars for deep corrosive wells. Flue gas desulfurization. Evaporators, heat exchangers. Pulp mill bleaching equipment.

NOMINAL CHEMICAL COMPOSITION (%):

Cr Ni Fe Mo Cu C Others
22.2 Bal 19.5 70 1.9 0.03 Cb-2.0
Co-2.0
W-0.5

TYPICAL MECHANICAL PROPERTIES:

METALLURGICAL CONDITION TENSILE STRENGTH Ksi (MPa) YIELD STRENGTH 2% OFFSET Ksi (MPa) ELONGATION (%) HARDNESS
ANNEALED 100 (690) 40 (275) 60 80 RB
COLD WORKED 125 (895) 120 (825) 20 26 RC

CORROSION RESISTANCE:

H2SO4 HIC H3PO4 HNO3 ORGANIC ACIDS ALKALINES SEA WATER CHLORIDE CRACKING
G G G G G G G G

SPECIFICATION

SHEET/STRIP ASTM AMS BARS ASTM AMS
B582 B581