Nickel Alloy
625

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Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
625 N06625 B 443/SB-443 B 704 B 705
Chemical Composition (%)
Alloy 625
UNS Designation N06625
Carbon (C) max. 0.10
Manganese (Mn) max. 0.50
Phosphorus (P) max. 0.015
Sulfur (S) max. 0.015
Silicon (Si) max. 0.50
Chromium (Cr) 20.0 - 23.0
Nickel (Ni) min. 58.0
Molybdenum (Mo) 8.0 - 10.0
Titanium (Ti) max. 0.40
Cobalt (Co) max. 1.0
Aluminum (Al) max. 0.40
Columbium (Cb) plus Tantalum (Ta) 3.15 - 4.15
Iron (Fe) max. 5.0
Typical Physical & Mechanical Properties - Annealed Condition ( Room Temperature)
Alloy UNS Designation Minimum Tensile Strength
Minimum Yield
Strength
0.2% Offset
Minimum Percent (%)
Elongation in
2 inches (50.8 mm)
(psi) (MPa) (psi) (MPa)
625 Grade 1 N06625 120,000 827 60,000 414 30
625 Grade 2 N06625 100,000 690 40,000 276 30

 

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