PRESIDENT METAL & ALLOYS

625 NICKEL TUBING

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