SUS630
Independent R&D, Customized Performance Enhancement: Based on TISCO raw materials, performance solutions are based on your specific requirements; a reliable cornerstone at the microscopic level and the optimal choice for precision manufacturing.
Item parameters/Description for material designations: SUS630 / 17-4PH / 0Cr17Ni4Cu4Nb
Standards: JIS G4305 / AMS5604
Delivery condition: Solution-treated (Condition A) or directly aged to the specified hardness (e.g., H900, H1025, H1150, etc.)
Typical hardness: HRC 28–50 (adjustable via heat treatment according to customer requirements)
Tensile strength: Solution-treated ≥ 900 MPa
Yield strength: Solution-treated ≥ 800 MPa
Key characteristics:1. High strength and hardness: Achieves high and uniform hardness through simple low-temperature aging heat treatment.
2. Good corrosion resistance: Corrosion resistance is superior to ordinary martensitic stainless steels and approaches that of 304 stainless steel.
3. High dimensional stability: Laminating processes ensure low deformation tendency, making it suitable for precision machining.
4. Good machinability: Exhibits excellent cutting and cold working performance in the solution-treated condition.
Common specifications:Thickness: 0.5 mm – 5 mm (customizable) Width: 1000 mm – 2000 mm Length: 2000 mm – 6000 mm (customizable)
Surface finish: 2B、Brushed (No.4)、BA、6K 8K (customizable mirror finish, etc.)
We are a comprehensive metal materials solutions platform integrating R&D, production, and sales.
With over a decade of experience in the metal materials field, since establishing our first physical entity in 2011, we have consistently driven innovation and upheld quality as our cornerstone.
Wuxi Weiyi Superalloy Co., Ltd. specializes in the production and sales of TISCO SUS630 laminated steel plates, upper cover plates, bearing plates, spring clips, grinding machines, as well as providing services such as repairing old laminated steel plates, upper cover plates, and bearing plates. Our company has precise processing technology, coupled with advanced automation equipment and strict quality control processes, to produce products that satisfy our customers. At the same time, we can also provide OEM services for our peers; Under the promotion of the company's localization business strategy, establishing a wide range of bases can provide local after-sales services.
.png)
Applied to important industries such as computing infrastructure, robotics, new energy, consumer hardware, electric vehicles, commercial aerospace, etc
Semiconductor & Electronics Industry — “Stability in materials defines precision in chips.”
SUS630 features ultra-high hardness at HRC 40+ and corrosion resistance around CV 500 MPa, ensuring wafer transport mechanisms operate with zero deposition and zero deformation in ultra-high vacuum and cleanroom environments. It supports long-term maintenance-free, high-yield production of front-end semiconductor manufacturing equipment, providing solid reliability for critical processes such as lithography, etching, and thin-film deposition.Precision medical devices — “Strong body, safeguarding life precision.”
Thanks to SUS630’s good biocompatibility (ISO 10993 certified) and HRC 38+ high hardness, it ensures corrosion resistance and long-term dimensional accuracy of surgical robot joints and high-end surgical forceps under frequent sterilization. It supports precise minimally invasive surgeries and provides a safe, reliable core material solution for orthopedic implants, endoscope components, and high-value medical instruments.Energy & Chemical Industry — “Resist harsh corrosion, safeguard energy lifelines.”
Thanks to SUS630’s excellent pitting and crevice corrosion resistance (PREN ≥ 18) and unique high-strength-corrosion resistance balance, it effectively withstands the combined attack of high Cl⁻ion media and high pressure environments in oil & gas fields and chemical pipelines. It provides valves, pump bodies, centrifuge drums, and flange fasteners with service life and safety far beyond ordinary stainless steels, significantly reducing maintenance costs and downtime risks.Shipbuilding Industry — “Facing the deep blue, committed to reliability.”
SUS630 combines excellent seawater corrosion resistance with high specific strength, coping with long-term corrosion and high-load impact in marine atmospheric, splash zones, and seawater environments. It offers durable material options for ship pump-valve systems, propeller shafts, rudder components, and offshore platform mooring equipment, ensuring the reliability of core ship power systems and enhancing lifecycle economics.Industrial automation — “Precise support, intelligent manufacturing.”
With HRC 40+ high hardness and excellent wear resistance, SUS630 ensures low wear and long-term dimensional stability for six-axis robot joints, high-precision linear modules, and heavy stamping machine guides under high-speed, high-frequency reciprocating motion. This greatly improves production pace and positioning accuracy, providing a reliable material foundation for unmanned smart factories.Aerospace — “Exceptional lightness and toughness, safeguarding the skies.”
With ultra-high tensile strength up to 1310 MPa and excellent specific strength (strength/density), SUS630 perfectly meets the extreme lightweight, ultra-high reliability, and long service life requirements of critical aircraft landing gear components, engine compressor casings, and UAV airframes. It achieves maximal weight reduction while guaranteeing absolute safety, providing robust support for every takeoff and landing.Unmanned aerial vehicles (UAVS) — “Light, tough, and stable for every precise flight.”
With an ultra-high strength-to-weight ratio of up to 1300 MPa and excellent fatigue performance, SUS630 fully meets the stringent requirements of industrial UAV airframe structures, landing gears, and power suspension systems for extreme lightweight, high strength, and long service life. It ensures structural integrity and flight stability under high-speed maneuvering, heavy loads, and frequent takeoffs/landings, supporting safe and reliable operations for inspection, emergency rescue, and logistics missions.Fill out the form to receive daily quotes for free.
Whenever you need assistance, remember to contact us. You will gain not only solutions but also a future partner.
Unique“Genes”and“Health Report”
We have built a comprehensive quality trust system spanning from the physical world to the digital world. By choosing us, you are selecting not only high-performance materials but also absolute peace of mind.
Our Spirit: Breaking Bottlenecks and Pursuing Excellence
We focus on pioneering and advancing the development of SUS630 laminated steel plates.Hand in hand with you to create a sustainable future.
Committed to building a full-chain service system in the metal materials field—including design, production, construction, and after-sales—working with our partners to set new industry benchmarks.
Sharing the latest company and industry news with you.
We always uphold the philosophy of “Craftsmanship and Intelligent Manufacturing, Superior Quality” and practice a corporate culture of “Customer-Centric Service, Continuous Innovation and Excellence.”
How to choose a corrosion-resistant coating for SUS630 laminated steel plate?
2025-11-08
How to inspect whether the surface protective film of SUS630 laminated steel plate is intact？
2025-11-08
Does the protective film thickness affect SUS630 laminated steel plate performance?
2025-11-08
Installation and assembly precautions for SUS630 laminated steel plate
2025-11-08
Effects of aging treatment on SUS630 laminated steel plate performance
2025-11-08
How to assess whether a laminated steel plate has good processing performance？
2025-11-07
Quality Starts at the Source
Proprietary R&D Heat Treatment and Aging Process
Authoritative Testing Reports from Special Inspection Institutes
Quality Assurance and Worry-Free After-Sales
