Press release
What is Grade 630 Stainless Steel? Strength, Properties and Uses of 17-4PH
What is Grade 630 Stainless Steel?
Grade 630 stainless steel (UNS S17400) is a precipitation-hardening martensitic stainless steel.It is designed to deliver high strength through heat treatment while maintaining good corrosion resistance.
The name 17-4PH refers to its composition:
* Approximately 17% Chromium
* Approximately 4% Nickel
* PH = Precipitation Hardening
This unique composition allows the material to be heat treated to achieve different strength levels depending on application requirements.
Chemical Composition of 630 Stainless Steel
ELEMENT
CONTENT
Chromium (Cr)
15-17.5%
Nickel (Ni)
3-5%
Copper (Cu)
3-5%
Carbon (C)
less than or equal to 0.07%
Strength of Grade 630 Stainless Steel
One of the key advantages of Grade 630 stainless steel is its exceptional mechanical strength after heat treatment.It is widely used in applications requiring high load-bearing capacity and fatigue resistance.
PROPERTY
VALUE
Tensile Strength
1000-1300 MPa
Yield Strength
850-1100 MPa
Hardness
Up to 40 HRC
* High strength-to-weight ratio
* Excellent fatigue resistance
* Good impact toughness
* Stable mechanical performance
Heat Treatment of 17-4PH Stainless Steel
Grade 630 stainless steel can be heat treated to achieve different mechanical properties:
* H900: Highest strength
* H1025: Balanced strength and toughness
* H1150: Improved toughness and corrosion resistance
This flexibility makes 17-4PH stainless steel suitable for a wide range of engineering applications.
Image: https://www.sakysteel.com/uploads/Grade-630-stainless-steel.jpg
Corrosion Resistance of Grade 630 Stainless Steel
Grade 630 offers good corrosion resistance in many industrial environments. While it does not match the performance of 316 stainless steelin highly corrosive conditions, it performs well in:
* Atmospheric environments
* Mild chemical exposure
* Industrial processing systems
Uses of Grade 630 Stainless Steel
Due to its strength and reliability, 17-4PH stainless steel is widely used in multiple industries:
Aerospace Industry
* Turbine components
* Aircraft structural parts
* High-strength fasteners
Oil & Gas Industry
* Valve components
* Pump shafts
* Downhole tools
Marine Applications
* Propeller shafts
* Marine hardware
* High-load fittings
Industrial Engineering
* Mold and die components
* Mechanical parts
* Heavy machinery components
Conclusion
Grade 630 stainless steel (17-4PH) is a high-performance alloy that combines strength, durability,and corrosion resistance. Its ability to be heat treated makes it one of the most versatile materials in modernengineering applications.
Understanding its properties and uses allows engineers and buyers to select the right material for high-demand projects, ensuring long-term reliability and performance.
Media Contact
Company Name: Saky Steel CO., LTD
Email:Send Email [https://www.abnewswire.com/email_contact_us.php?pr=what-is-grade-630-stainless-steel-strength-properties-and-uses-of-174ph]
Country: China
Website: https://www.sakysteel.com/
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