SE-K502 (NO5502)

SECORP designation (UNS NO.)

Modification of SE-K500 with improved machinability due to restricted carbon and titanium content.

Major Applications

 

Pump shafts, impellers, valve components. Springs, fasteners. Oil well packers, subsurface safety valves.

NOMINAL CHEMICAL COMPOSITION (%):

Cr Ni Fe Mo Cu C Others
- 66.5 1.0 - Bal 0.08 Ti-0.40
Al-2.7
Mn-0.75

TYPICAL MECHANICAL PROPERTIES:

METALLURGICAL CONDITION TENSILE STRENGTH Ksi (MPa) YIELD STRENGTH 2% OFFSET Ksi (MPa) ELONGATION (%) HARDNESS
SOL. TRT. AGED 140 (965) 85 (585) 40 100 RB
COLD DRAWN AGED 160 (110) 130 (895) 17 38 RC

CORROSION RESISTANCE:

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

SPECIFICATION

SHEET/STRIP ASTM AMS BARS ASTM AMS
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