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Inconel 625 Technical Data Sheet

Inconel 625 Chemical Composition Limits
Weight % Ni Cr Mo Nb + Ta Fe Ti C Mn Si S P Al Co
Alloy 625 58.0 min 20 – 23 8 -10 3.15 -4.15 5.0 max 0.40 max 0.10 max 0.50 max 0.50 max 0.15 max 0.15 max 0.40 max 1.0 max

Inconel 625 (UNS N06625) is a nickel-chromium-molybdenum alloy with an addition of niobium. The addition of molybdenum acts with the niobium to stiffen the alloy matrix, providing a high strength without a strengthening heat treatment. The alloy resists a wide range of corrosive environments and has a good resistance to pitting and crevice corrosion. Inconel 625 is used in chemical processing, aerospace and marine engineering oil & gas, pollution control equipment and nuclear reactors.

Inconel 625 Mechanical Properties

Material Form and Condition Tensile Strength MPa Yield Strength (0.2% Offset) MPa Elongation 4D(%) Hardness HB
Ksi MPa Ksi MPa
Alloy 625 Bar Annealed 120 827 60 414 30 ≤ 287 HB
Alloy 625 Sheet Annealed 120 827 60 414 30 145-240
Alloy 625 Tube
Seamless and Welded		 Annealed 120 827 60 414 35 –

Inconel 625 Specifications

Bar ASTM B 446, ASME SB 466, AMS 5666, ISO 9723, VdTUV 499, BS 3076 NA21, EN 10095, DIN 17752, ASME Code Case 1935
Rod ASTM B 446, ASME SB 466, ISO 9723, VdTUV 499, BS 3076 NA21, EN 10095, DIN 17752, SME Code Case 1935
Wire AMS 5837, ISO 9724, DIN 17753
Forging-Stock ASTM B 564, ASME SB 564, AMS 5666, ISO 9725, SME Code Case 1935, DIN 17754
Plate ASTM B 443, ASME SB 443, AMS 5599, AMS 5869, MAM 5599, ISO 6208, VdTUV 499, BS 3072 NA21, EN 10095, DIN 17750, ASME Code Case 1935
Sheet ASTM B 443, ASME SB 443, AMS 5599, AMS 5869, MAM 5599, ISO 6208, VdTUV 499, BS 3072 NA21, EN 10095, DIN 17750, ASME Code Case 1935
Strip ASTM B 443, ASME SB 443, AMS 5599, AMS 5869, MAM 5599, ISO 6208, VdTUV 499, EN 10095, DIN 17750, ASME Code Case 1935
Pipe-Seamless ASTM B444, ASTM B829, ASME SB 444, ASME SB 829, BS3074 NA21
Pipe Welded ASTM B705, ASTM B775, ASME SB 705, ASME SB 775

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