SE-C276 (NO10276)

SECORP designation (UNS NO.)

A high nickel-chromium-molybdenum alloy which has outstanding resistance to a wide variety of chemical process environments including strong oxidizers. Resistant to oxidation to 1900°F(1040°C).

Major Applications

 

Downhole tubulars for extremely corrosive wells; process equipment for sulfuric acid plants, copper smelters and flue gas desulfurization.

NOMINAL CHEMICAL COMPOSITION (%):

Cr Ni Fe Mo Cu C Others
15.5 Bal 6.5 15.5 - 0.01 W-3.5
Si-0.5

TYPICAL MECHANICAL PROPERTIES:

METALLURGICAL CONDITION TENSILE STRENGTH Ksi (MPa) YIELD STRENGTH 2% OFFSET Ksi (MPa) ELONGATION (%) HARDNESS
ANNEALED 100 (690) 47 (325) 60 92 RB
COLD WORKED 190 (1310) 160 (1100) 18 40 RC

CORROSION RESISTANCE:

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

SPECIFICATION

SHEET/STRIP ASTM AMS BARS ASTM AMS
B575 B574