SE-G3 (NO6985)

SECORP designation (UNS NO.)

Modification of SE-G with improved weldability and corrosion resistance.

Major Applications

 

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

SE-G3 (NO6985)

NOMINAL CHEMICAL COMPOSITION (%):

Cr Ni Fe Mo Cu C Others
22.1 Bal 19.5 70 1.9 0.01 Cb-2.0
Co-2.0
W-0.50

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 130 (825) 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