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High-performance nickel-chromium-molybdenum-niobium alloy (UNS N06625, 2.4856, Alloy 625) manufactured in the USA by SMC/ATI/HAYNES.
Material Properties
Alloy 625 is an austenitic nickel-chromium-molybdenum-niobium alloy offering exceptional corrosion resistance combined with high strength from cryogenic temperatures to 1800°F (982°C).
Key Characteristics
Strength derived from solid-solution hardening by molybdenum and niobium
No precipitation-hardening treatments required
Excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking
Resistant to oxidation and carburization in high-temperature service
Easy welding and fabrication using standard shop practices
Industry Applications
Aerospace: Bellows, expansion joints, ducting systems, jet engine exhaust systems
Air Pollution Control: Chimney liners, dampers, flue gas desulfurization components
Chemical Processing: Equipment handling oxidizing and reducing acids
Marine Service: Steam line bellows, Navy ship exhaust systems
Alloy 625 demonstrates outstanding corrosion resistance in severe environments, with virtual immunity to chloride stress corrosion cracking. The alloy resists attack by mineral acids including hydrochloric, nitric, phosphoric, and sulfuric acids, as well as alkalis and organic acids in both oxidizing and reducing conditions.
Fabrication Data
Hot Forming
Working temperature range: 1650-2150°F (900-1177°C). Heavy working should occur near 2150°F with uniform reductions to prevent duplex grain structure.
Cold Forming
Can be cold-formed using standard practices in annealed condition. Work hardening rates are higher than austenitic stainless steels.
Welding
Readily welded by GTAW (TIG), PLASMA, GMAW (MIG/MAG), SAW and SMAW (MMA). No post weld heat treatment required.
Machining
Should be machined in annealed condition using low cutting speeds and adequate cut depth to avoid work-hardened zones.
Packaging
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...
