Alloy 625 Nickel Tubing

Alloy 625 is a nickel-chromium alloy with strength and excellent resistance to a wide variety of corrosive media.

Typical applications: Heat exchangers, spray bars, rocket thrust chambers

Stock Size Range:

Seamless

OD:
.188" - 1.500"
Walls:
.028" - .083"

Specifications: ASTM B444, ASME SB444, AMS 5581

Welded

OD:
.250" - 7"
Walls:
.028 - .100"

Specifications: AMS 5581

Typical Chemical Composition %
Nickel min. 58.0
Chromium 20.0-23.0
Iron nom. 5
Molybdenum 8.0-10.0
Niobium 3.15-4.15
Aluminum 0.4
Titanium 0.4
Cobalt 1
Sulfur 0.015
Carbon 0.1
Manganese 0.5
Silicon 0.5
Phosphorous 0.015
Typical Mechanical Properties
Annealed   Mpa
Yield Strength (0.2% offset) 60 min ksi 414
Tensile Strength 120 min ksi 827
Elongation % in 2" 30  
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