SE-B2 (NO10665)

SECORP designation (UNS NO.)

A high nickel-molybdenum alloy with outstanding resistance to a wide variety of chemical process environments; especially resistant to 1400°F(760°C). Improved weldability over HB.

Major Applications

 

Process equipment for the manufacture of hydrochloric sulfuric, acetic and phosphoric acids.

NOMINAL CHEMICAL COMPOSITION (%):

Cr Ni Fe Mo Cu C Others
.50 Bal 1.0 27.5 - .01 Si-.05

TYPICAL MECHANICAL PROPERTIES:

METALLURGICAL CONDITION TENSILE STRENGTH Ksi (MPa) YIELD STRENGTH 2% OFFSET Ksi (MPa) ELONGATION (%) HARDNESS
ANNEALED 125 (860) 56 (385) 60 94 RB

CORROSION RESISTANCE:

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

SPECIFICATION

SHEET/STRIP ASTM AMS BARS ASTM AMS
B333 B335