Stainless steel 17-4ph supplier. Contact us to get free quote and sample!
17-4PH (UNS S17400) is a martensitic precipitation-hardening stainless steel. Aging treatments (such as H900 and H1025) achieve a balance of strength and corrosion resistance. HT PIPE is a 17-4 ph plate supplier with 15+ export experience. Contact us for more information and quotes for free!
Stainless steel 174ph application
alloy 17 4ph Aerospace and High-end Equipment Manufacturing
Aircraft structural components: landing gear bearings, wing brackets, and engine pylons.
Key engine components: Turbine blades and compressor shafts maintain strength stability below 540°C and resist high-temperature gas corrosion.
17 4 ph ss Energy and Chemical Equipment
Hydrogenation compressor impellers: Forgings undergo double aging treatment (613–629°C), achieving a tensile strength ≥1000 MPa and resistance to H₂S acidic environments. Blade thickness can be reduced to 5 mm².
Valve stems and pump shafts: High toughness (elongation ≥16%) and stress corrosion cracking resistance in the H1150 state extend the service life of deep-sea oil production equipment by 38%.
17 4ph h900 Nuclear Power and Clean Energy
Nuclear Waste Drums and Reactor Fasteners: Leverage its resistance to radiation degradation and low magnetic permeability of 68.
High-End Molds and Precision Manufacturing, Plastic and Die-Casting Molds, Additive Manufacturing (3D Printing).
174ph Medical Devices and Food Industry
Surgical Forceps and Bone Drills: High hardness (≥40 HRC) in H900 condition ensures sharp cutting edges, and biocompatibility complies with ISO 5832-1.
Slicer Blades and Fermenter Agitator Shafts: Resistant to acetic acid and organic acid corrosion, with surface passivation to meet hygiene standards.
17.4 ph Semiconductor and Electronics Manufacturing
Vacuum Chamber Components: Low magnetic permeability (≤1.005 μm) in H1025 condition prevents interference with precision ion beams, and exhibits superior plasma corrosion resistance to aluminum alloys.
Etching Machine Fixtures: Electrolytically polished to Ra ≤0.1 μm to prevent wafer contamination, and dimensional stability at high temperatures (thermal expansion coefficient of 10.8 μm/m·K) ensures micron-level positioning accuracy.
Lens brackets and guide rails: Double aging treatment (H900 + low-temperature stabilization) controls micro-deformation and supports nanoscale optical systems.
1.4542 17 4 ph 630 Railway and heavy-duty transportation
Brake system calipers: High toughness (impact energy ≥ 35 J) in H1150 condition withstands frequent braking shocks and exhibits no red rust after >1000 hours of salt spray testing.
Bogie bearing seats: Forged and then H1025 treated, tensile strength ≥1060 MPa, fatigue life increased by 50% compared to AISI 4140 steel.
Air suspension brackets: Low-temperature impact toughness ≥27 J at -40°C, suitable for cold-region operating conditions, and 30% weight reduction compared to cast steel.
17 4ph 1.4542 New energy power equipment
Wind turbine system pitch bearing bolts: Tensile strength 1310 MPa in H900 condition, resistant to marine atmospheric corrosion, and superior preload stability to alloy steel.
Generator cooling jackets: Laser welded, resistant to ethylene glycol coolant corrosion (annual corrosion rate <0.01 mm).
17 ph4 Hydrogen Energy Equipment
Electrolyzer Plates: Platinum-plated bipolar plates with conductivity >5000 S/cm and lower hydrogen embrittlement sensitivity than 300 series stainless steel.
sus17 4ph Construction and Special Engineering
Damper Connectors for Super-High-Rise Building Seismic Resistance Systems: H1025 steel with a yield strength of 1000 MPa, energy dissipation capacity three times that of ordinary steel, and AISC 341 seismic certification.
Glass Curtain Wall Support Structure Invisible Claws: Precision wire-cut, only 3–5 mm thick, with a load-bearing ratio of 1:200 (weight to load).
uns s17400 material Sports Equipment and High-End Consumer Goods
Racing Car Gears: Powder Metallurgy 17-4PH (ASTM B883), tooth surface hardness 45 HRC, 8 dB quieter than alloy steel.
High-End Bicycle Chains: Stamped sheet metal treated with H900, with a tensile strength of 1310 MPa and 15% lighter than titanium alloy.
Precision Instrument Optical Platform Base: Microstress aging (H1150-M) ensures flatness ≤ 0.02 mm/m², eliminating measurement errors.
1.4542 aisi Military and Security
Lightweight Armor System Bulletproof Plate: 0.8 mm ultra-thin plate laminate design, H900 hardness 44 HRC, NIJ Level III protection, 40% lighter than ceramic composite plate.
Drone Gimbal Structure: Linear expansion coefficient matches carbon fiber (10.8 vs. 11 μm/m·K), with deformation less than 5 μm in temperatures between -40°C and 80°C.
