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Austenitic / Duplex Steel / Nickel Alloy / Cobalt Alloy
Alloy 925 Features:
Alloy 925 is a precipitation-hardenable nickel-iron-chromium alloy. It combines high strength with Incoloy 825's excellent corrosion resistance. Alloy 925 is particularly resistant to sulfide-induced stress cracking and stress-corrosion cracking.
ASTM B983 Alloy 925 / UNS N09925 Nickel Alloy Seamless Tube/ Pipe
Alloy 925 Chemical composition:
| % | Ni | Fe | Cr | C | Mn | Si | P | S | Mo | Cu | Ti | Al | Nb |
| min | 42.0 | 22.0 | 19.5 | 2.5 | 1.5 | 1.9 | 0.10 | ||||||
| max | 46.0 | 22.5 | 0.030 | 1.00 | 0.50 | 0.030 | 0.030 | 3.5 | 3.0 | 2.4 | 0.50 | 0.50 |
Physical properties
| Density | 8.08 g/cm3 |
| Melting range | 1311-1366℃ |
Features: Alloy 925 is a precipitation-hardenable nickel-iron-chromium alloy. It combines high strength with Incoloy 825's excellent corrosion resistance. Alloy 925 is particularly resistant to sulfide-induced stress cracking and stress-corrosion cracking.
Applications: Down-hole and surface well components for sour (containing hydrogen sulfide) crude oil and natural gas production.
Manufacturing Experience
Plant Area
Max Diameter of Welded Pipe
Annealing Furnace Length
Nickel Alloy
NI-MO: N10001,N10665,N10675...
NI-CR-MO: N10276,N06022,N06035,N06455,N06002...
NI-CR-MO-CU: N06030,N06200,N08031,N08825,N08020...
NICR-MO-W: N06230...
NICKEL: N02200,N02201...
NI-CU: N04400,N05500...
NI-CR-FE: N06600,N06601,N06690,N08800,N08810,N08811...
NI-CR-MO-NB: N06625,N07718...
Austenitic
304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L...
Duplex Steel
31803, 32205, 32750, 32760...
Cobalt Alloy
Alloy 188/ UNS R30188, Alloy L-605/ UNS R30605, Alloy S-816, Alloy 6B, UMCo50, FSX-414, MP-159...
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