05Cr17Ni4Cu4Nb 07Cr17Ni7Al 06Cr15Ni25Ti2MoAlVB PH Stainless Steel Bar Sheet, Cu-Nb Al & High Ni Alloy For Fastener Spring & 650℃ High Temp Bolts
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Grade:05Cr17Ni4Cu4Nb(S51740),07Cr17Ni7Al(S51770),06Cr15Ni25Ti2MoAlVB(S51525) precipitation hardening stainless steel
Available supply forms: solid round bar, cold rolled thin strip, flat plate, forged bolt blanks
Core metallurgical advantages: Cu-Nb precipitates boost tensile strength; Al phase improves anti-fatigue property; high Ni-Ti-Mo composite enhances 650℃ creep resistance
Grade usage differentiation: S51740 general industrial high-strength fasteners & hydraulic valve bodies; S51770 aerospace precision springs, bellows & thin structural parts; S51525 thermal power boiler & gas turbine high-temperature fastening components
Supported processing: Hot die forging, CNC turning, cold stamping, low-temperature aging hardening, surface polishing
End industrial fields: Food processing equipment, marine hydraulic fittings, aerospace elastic components, waste heat boilers, petrochemical high-temperature pipeline fasteners
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